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140-418: Cable News Network International or CNN International ( CNNi , simply branded on-air as CNN ) is an international television channel and website , owned by CNN Worldwide. CNN International carries news-related programming worldwide; it cooperates with sister network CNN 's national and international news bureaus. Unlike its sister channel, CNN , a North American-only subscription service, CNN International

280-458: A patent interference suit against Farnsworth. The U.S. Patent Office examiner disagreed in a 1935 decision, finding priority of invention for Farnsworth against Zworykin. Farnsworth claimed that Zworykin's 1923 system could not produce an electrical image of the type to challenge his patent. Zworykin received a patent in 1928 for a color transmission version of his 1923 patent application. He also divided his original application in 1931. Zworykin

420-478: A resolution that is substantially higher. HDTV may be transmitted in different formats: 1080p , 1080i and 720p . Since 2010, with the invention of smart television , Internet television has increased the availability of television programs and movies via the Internet through streaming video services such as Netflix, Amazon Prime Video , iPlayer and Hulu . In 2013, 79% of the world's households owned

560-618: A transistor -based UHF tuner . The first fully transistorized color television in the United States was the Quasar television introduced in 1967. These developments made watching color television a more flexible and convenient proposition. In 1972, sales of color sets finally surpassed sales of black-and-white sets. Color broadcasting in Europe was not standardized on the PAL format until

700-467: A tuner for receiving and decoding broadcast signals. A visual display device that lacks a tuner is correctly called a video monitor rather than a television. The television broadcasts are mainly a simplex broadcast meaning that the transmitter cannot receive and the receiver cannot transmit. The word television comes from Ancient Greek τῆλε (tele)  'far' and Latin visio  'sight'. The first documented usage of

840-483: A 1925 demonstration, the image was dim, had low contrast and poor definition, and was stationary. Zworykin's imaging tube never got beyond the laboratory stage. However, RCA, which acquired the Westinghouse patent, asserted that the patent for Farnsworth's 1927 image dissector was written so broadly that it would exclude any other electronic imaging device. Thus, based on Zworykin's 1923 patent application, RCA filed

980-403: A 2-inch-wide by 2.5-inch-high screen (5 by 6 cm). The large receiver had a screen 24 inches wide by 30 inches high (60 by 75 cm). Both sets could reproduce reasonably accurate, monochromatic, moving images. Along with the pictures, the sets received synchronized sound. The system transmitted images over two paths: first, a copper wire link from Washington to New York City, then

1120-402: A TV system with a 40-line resolution that employed a CRT display. This was the first working example of a fully electronic television receiver and Takayanagi's team later made improvements to this system parallel to other television developments. Takayanagi did not apply for a patent. In the 1930s, Allen B. DuMont made the first CRTs to last 1,000 hours of use, one of the factors that led to

1260-683: A camera tube, using the CRT instead as a flying-spot scanner to scan slides and film. Ardenne achieved his first transmission of television pictures on 24 December 1933, followed by test runs for a public television service in 1934. The world's first electronically scanned television service then started in Berlin in 1935, the Fernsehsender Paul Nipkow , culminating in the live broadcast of the 1936 Summer Olympic Games from Berlin to public places all over Germany. Philo Farnsworth gave

1400-609: A color television combining a traditional black-and-white display with a rotating colored disk. This device was very "deep" but was later improved with a mirror folding the light path into an entirely practical device resembling a large conventional console. However, Baird was unhappy with the design, and, as early as 1944, had commented to a British government committee that a fully electronic device would be better. In 1939, Hungarian engineer Peter Carl Goldmark introduced an electro-mechanical system while at CBS , which contained an Iconoscope sensor. The CBS field-sequential color system

1540-409: A communal viewing experience to a solitary viewing experience. By 1960, Sony had sold over 4   million portable television sets worldwide. The basic idea of using three monochrome images to produce a color image had been experimented with almost as soon as black-and-white televisions had first been built. Although he gave no practical details, among the earliest published proposals for television

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1680-819: A fellow of the Royal Society (UK), published a letter in the scientific journal Nature in which he described how "distant electric vision" could be achieved by using a cathode-ray tube, or Braun tube, as both a transmitting and receiving device, he expanded on his vision in a speech given in London in 1911 and reported in The Times and the Journal of the Röntgen Society. In a letter to Nature published in October 1926, Campbell-Swinton also announced

1820-512: A former correspondent who was with the Council on Foreign Relations and later served as a Middle East-based correspondent for Al Jazeera English , noted that when she spoke on international affairs, CNN International would usually give her more airtime than CNN/US. For its part, former CNN executive Eason Jordan has defended CNN International's "international" perspective, saying "No matter what CNN International does, as long as CNN's headquarters

1960-423: A lensed disk scanner with a 48-line resolution. He was granted U.S. Patent No. 1,544,156 (Transmitting Pictures over Wireless) on 30 June 1925 (filed 13 March 1922). Herbert E. Ives and Frank Gray of Bell Telephone Laboratories gave a dramatic demonstration of mechanical television on 7 April 1927. Their reflected-light television system included both small and large viewing screens. The small receiver had

2100-690: A line of the image. Although he never built a working model of the system, variations of Nipkow's spinning-disk " image rasterizer " became exceedingly common. Constantin Perskyi had coined the word television in a paper read to the International Electricity Congress at the International World Fair in Paris on 24 August 1900. Perskyi's paper reviewed the existing electromechanical technologies, mentioning

2240-552: A live chat with Benjamin Netanyahu on the network in 1998. CNN also maintains a wire service known as CNN Wire, a CNN Newsource division. In parts of the world without a CNN bureau, reports from a local affiliate station are used to file a story. Former CNN Beijing and Tokyo bureau chief Rebecca MacKinnon described how the news-gathering priorities of CNN International were skewed to "produce stories and reports that would be of interest to CNN USA." Nevertheless, Jane Arraf ,

2380-672: A lot of criticism on both the new prime-time lineup and the redesigned graphics. On January 11, 2009, in a bid to compete directly with Al Jazeera English , the network launched a new production center: CNN Abu Dhabi , based in the United Arab Emirates . Then, CNN International adapted half-hour shows in its schedule with a new evening prime program for the Middle East viewers, Prism . In 2010, CNN International launched new programs for its evening lineup to improve its schedule. In 2011, programs from CNN U.S. were added to

2520-521: A medium" dates from 1927. The term telly is more common in the UK. The slang term "the tube" or the "boob tube" derives from the bulky cathode-ray tube used on most TVs until the advent of flat-screen TVs . Another slang term for the TV is "idiot box." Facsimile transmission systems for still photographs pioneered methods of mechanical scanning of images in the early 19th century. Alexander Bain introduced

2660-635: A mixture of CNN International and CNN/US , but since 2008, CNNj has been a direct relay of CNN International Asia Pacific . Starting late 2010, the high-definition feed of CNN US was launched in Japan for American viewers under the name "CNN/US HD", the first such feed available outside of the United States. Apart from during the earliest days of the network, CNNI, until the start of the COVID-19 pandemic, produced almost all of its programming, and generally only simulcast CNN/US's primetime output. However, since

2800-416: A new channel would be a way to solve both issues. Turner would keep Dobbs working for CNN while giving him his own network to run. In July 1999, Dobbs quit CNNfn and started his own company, Space.com , and eventually returned to CNN to host Lou Dobbs Tonight . From the start, CNNfn struggled to be picked up by local and national cable operators. In 2004, the official CNNfn network was shut down. However

2940-442: A phosphor plate. The phosphor was patterned so the electrons from the guns only fell on one side of the patterning or the other. Using cyan and magenta phosphors, a reasonable limited-color image could be obtained. He also demonstrated the same system using monochrome signals to produce a 3D image (called " stereoscopic " at the time). A demonstration on 16 August 1944 was the first example of a practical color television system. Work on

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3080-461: A primetime European audience with a few titled after CNN International personalities, most notably the interview program Amanpour . On September 21, 2009, the channel launched a new tagline "Go Beyond Borders", along with a new logo, and consolidated its general newscasts ( World News , CNN Today , World News Asia , World News Europe and Your World Today ) into a single newscast entitled World Report . The slogan "Go Beyond Borders" emphasizes

3220-471: A production model was halted by the SCAP after World War II . Because only a limited number of holes could be made in the disks, and disks beyond a certain diameter became impractical, image resolution on mechanical television broadcasts was relatively low, ranging from about 30 lines up to 120 or so. Nevertheless, the image quality of 30-line transmissions steadily improved with technical advances, and by 1933

3360-506: A projection screen at London's Dominion Theatre . Mechanically scanned color television was also demonstrated by Bell Laboratories in June 1929 using three complete systems of photoelectric cells , amplifiers, glow-tubes, and color filters, with a series of mirrors to superimpose the red, green, and blue images into one full-color image. The first practical hybrid system was again pioneered by John Logie Baird. In 1940 he publicly demonstrated

3500-591: A radio link from Whippany, New Jersey . Comparing the two transmission methods, viewers noted no difference in quality. Subjects of the telecast included Secretary of Commerce Herbert Hoover . A flying-spot scanner beam illuminated these subjects. The scanner that produced the beam had a 50-aperture disk. The disc revolved at a rate of 18 frames per second, capturing one frame about every 56 milliseconds . (Today's systems typically transmit 30 or 60 frames per second, or one frame every 33.3 or 16.7 milliseconds, respectively.) Television historian Albert Abramson underscored

3640-564: A resolution that was not surpassed until May 1932 by RCA, with 120 lines. On 25 December 1926, Kenjiro Takayanagi demonstrated a television system with a 40-line resolution that employed a Nipkow disk scanner and CRT display at Hamamatsu Industrial High School in Japan. This prototype is still on display at the Takayanagi Memorial Museum in Shizuoka University , Hamamatsu Campus. His research in creating

3780-641: A signal reportedly to the 60th power or better and showed great promise in all fields of electronics. Unfortunately, an issue with the multipactor was that it wore out at an unsatisfactory rate. At the Berlin Radio Show in August 1931 in Berlin , Manfred von Ardenne gave a public demonstration of a television system using a CRT for both transmission and reception, the first completely electronic television transmission. However, Ardenne had not developed

3920-410: A static photocell. The thallium sulfide (Thalofide) cell, developed by Theodore Case in the U.S., detected the light reflected from the subject and converted it into a proportional electrical signal. This was transmitted by AM radio waves to a receiver unit, where the video signal was applied to a neon light behind a second Nipkow disk rotating synchronized with the first. The brightness of the neon lamp

4060-482: A subsidiary of Dish Network in the United States. On June 28, 2016, CNN International HD was launched for Sky customers in the UK (including on Freesat from Sky), on channel 506 or 579, making the next news channel launch in the 600s. The HD version is available free-to-air within the British Isles, and is provided on satellite and IPTV services, and also live-streamed for U.K. users (and geo-blocked outside

4200-464: A system that used a mechanical mirror-drum scanner to transmit, in Zworykin's words, "very crude images" over wires to the " Braun tube" ( cathode-ray tube or "CRT") in the receiver. Moving images were not possible because, in the scanner: "the sensitivity was not enough and the selenium cell was very laggy". In 1921, Édouard Belin sent the first image via radio waves with his belinograph . By

4340-521: A television set. The replacement of earlier cathode-ray tube (CRT) screen displays with compact, energy-efficient, flat-panel alternative technologies such as LCDs (both fluorescent-backlit and LED ), OLED displays, and plasma displays was a hardware revolution that began with computer monitors in the late 1990s. Most television sets sold in the 2000s they were still CRT , it was only in early 2010s that flat screen TVs have started to overtake CRT TVs once and for all. Major manufacturers announced

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4480-484: A television system using fully electronic scanning and display elements and employing the principle of "charge storage" within the scanning (or "camera") tube. The problem of low sensitivity to light resulting in low electrical output from transmitting or "camera" tubes would be solved with the introduction of charge-storage technology by Kálmán Tihanyi beginning in 1924. His solution was a camera tube that accumulated and stored electrical charges ("photoelectrons") within

4620-521: A two-hour block of the simulcast from CNN studios in Los Angeles . In 2017, CNN International began simulcasting the first hour of the weekday edition of New Day and on September 10, 2018, The Lead with Jake Tapper started to be simulcast on CNNI. In 2019, CNN International announced it was reducing its programming and staff based in London to reduce costs. Consequently, an additional two hours of simulcasts with CNN/US on weekdays were added –

4760-470: A white field is retained in the on-screen graphic, aligning with CNN/US as the originating source. As of August 2014, following the unrest in Ferguson, Missouri , a permanent simulcast of CNNI's block of Newsroom with Rosemary Church and Errol Barnett was added to the late-night lineup of CNN/US, serving as a lead-in to Early Start . In late 2015, John Vause and anchor Isha Sesay began to anchor

4900-442: Is a telecommunication medium for transmitting moving images and sound. Additionally, the term can refer to a physical television set rather than the medium of transmission . Television is a mass medium for advertising, entertainment, news, and sports. The medium is capable of more than " radio broadcasting ," which refers to an audio signal sent to radio receivers . Television became available in crude experimental forms in

5040-609: Is broadcast instead of the final 30 minutes of New Day and June 2021 saw the return of other weekday programs with international programming now airing on weekdays between 8 am and 4 pm Eastern Time which means that CNN U.S. daytime rolling daytime news programming is once again not seen on CNN International on weekdays. Since the beginning of the 2022 Russian invasion of Ukraine in February 2022, CNN International has been augmenting CNN/US programming during hours that usually would be repeats or specials, such as overnights and late in

5180-644: Is carried on a variety of TV platforms across the world, and broadcast from studios inside and outside the United States, in Atlanta , New York City , London , Mumbai , Hong Kong , and Abu Dhabi . In some countries, it is available as a free-to-air network. The service is aimed at the overseas market, similar to BBC News , France 24 , CGTN , DW , RT , DD India , NHK World , TRT World or Al Jazeera English . CNN International began broadcasting on September 1, 1985, at first primarily broadcasting to American business travelers in hotels. The first studio for CNNI

5320-599: Is in the United States people are going to say, well, it's an American service. But the reality is that it's an international service based in the United States, and we don't make any apologies about that." CNN is one of the world's largest news organizations, and its international channel, CNN International is the leading international news channel in terms of viewer reach. Unlike the BBC and its network of reporters and bureaus, CNN International makes extensive use of affiliated reporters that are local to, and often directly affected by,

5460-416: Is now one of the most popular news websites in the world. The widespread growth of blogs , social media and user-generated content have influenced the site, and blogs in particular have focused CNN's previously scattershot online offerings, most noticeably in the development and launch of CNN Pipeline in late 2005. In April 2009, CNN.com ranked third place among online global news sites in unique users in

5600-640: Is the high-definition simulcast feed of the channel broadcasting at 1920x 1080i , which was launched in September 2012. Before June 3, 2013, only programming from CNN/US was available natively in HD, while shows made for CNN International were produced in 4:3 576i . In February 2013, the European SD feed of CNN International began broadcasting in widescreen by downscaling the HD feed, which resulted in all 4:3-native programming being broadcast in pillarbox until

5740-520: The 1939 New York World's Fair . On the other hand, in 1934, Zworykin shared some patent rights with the German licensee company Telefunken. The "image iconoscope" ("Superikonoskop" in Germany) was produced as a result of the collaboration. This tube is essentially identical to the super-Emitron. The production and commercialization of the super-Emitron and image iconoscope in Europe were not affected by

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5880-699: The EMI engineering team led by Isaac Shoenberg applied in 1932 for a patent for a new device they called "the Emitron", which formed the heart of the cameras they designed for the BBC. On 2 November 1936, a 405-line broadcasting service employing the Emitron began at studios in Alexandra Palace and transmitted from a specially built mast atop one of the Victorian building's towers. It alternated briefly with Baird's mechanical system in adjoining studios but

6020-583: The Virginia Tech shootings sent in first-hand photos of what was going on during the shootings. In early 2008, CNN began maintaining a live-streaming broadcast available to those who receive CNN at home. CNN International is broadcast live, as part of the RealNetworks SuperPass subscription outside the U.S. CNN also offers several RSS feeds and podcasts . On April 18, 2008, CNN.com was targeted by Chinese hackers in retaliation for

6160-479: The patent war between Zworykin and Farnsworth because Dieckmann and Hell had priority in Germany for the invention of the image dissector, having submitted a patent application for their Lichtelektrische Bildzerlegerröhre für Fernseher ( Photoelectric Image Dissector Tube for Television ) in Germany in 1925, two years before Farnsworth did the same in the United States. The image iconoscope (Superikonoskop) became

6300-404: The "Iconoscope" by Zworykin, the new tube had a light sensitivity of about 75,000 lux , and thus was claimed to be much more sensitive than Farnsworth's image dissector. However, Farnsworth had overcome his power issues with his Image Dissector through the invention of a completely unique " Multipactor " device that he began work on in 1930, and demonstrated in 1931. This small tube could amplify

6440-768: The "lower-thirds" that CNN/US had introduced a month earlier which was inspired by the clean modern design of the CNNI rebrand efforts. In the U.S., CNNI North America was distributed overnight and on weekends over the CNNfn financial channel, until that channel's demise in December 2004. It is now available as a standalone, full-time channel, usually as part of high-tier packages of subscription providers including Time Warner Cable , AT&T U-Verse , Verizon FiOS and Cox Communications . From January until September 2009, CNN International adopted more programs that became geared towards

6580-483: The 1920s, but only after several years of further development was the new technology marketed to consumers. After World War II , an improved form of black-and-white television broadcasting became popular in the United Kingdom and the United States, and television sets became commonplace in homes, businesses, and institutions. During the 1950s, television was the primary medium for influencing public opinion . In

6720-661: The 1920s, when amplification made television practical, Scottish inventor John Logie Baird employed the Nipkow disk in his prototype video systems. On 25 March 1925, Baird gave the first public demonstration of televised silhouette images in motion at Selfridges 's department store in London . Since human faces had inadequate contrast to show up on his primitive system, he televised a ventriloquist's dummy named "Stooky Bill," whose painted face had higher contrast, talking and moving. By 26 January 1926, he had demonstrated before members of

6860-421: The 1960s, and broadcasts did not start until 1967. By this point, many of the technical issues in the early sets had been worked out, and the spread of color sets in Europe was fairly rapid. By the mid-1970s, the only stations broadcasting in black-and-white were a few high-numbered UHF stations in small markets and a handful of low-power repeater stations in even smaller markets such as vacation spots. By 1979, even

7000-489: The CNN International schedule, including the talk program Piers Morgan Live which was later canceled and replaced with CNN Tonight hosted by Don Lemon. "This is CNN" represents CNN International's rebrand with new sets and output in full 16:9 high definition. The "This is CNN" slogan is also used on its sister network CNN in the United States. The managing director of CNN International from 2003 to May 2019

7140-721: The CNN.com website, revamping it by adding a new "sign up" option where users may create their user name, a new "CNN Pulse" (beta) feature along a new red color theme. However, most of the news archived on the website has been deleted. CNN also has a channel on the popular video-sharing site YouTube , but its videos can only be viewed in the United States, a source of criticism among YouTube users worldwide. In April 2010, CNN announced via Twitter its upcoming food blog called "Eatocracy", which will "cover all news related to food – from recalls to health issues to culture." CNN had an internet relay chat (IRC) network at chat.cnn.com. CNN placed

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7280-679: The Dutch company Philips produced and commercialized the image iconoscope and multicon from 1952 to 1958. U.S. television broadcasting, at the time, consisted of a variety of markets in a wide range of sizes, each competing for programming and dominance with separate technology until deals were made and standards agreed upon in 1941. RCA, for example, used only Iconoscopes in the New York area, but Farnsworth Image Dissectors in Philadelphia and San Francisco. In September 1939, RCA agreed to pay

7420-653: The Farnsworth Television and Radio Corporation royalties over the next ten years for access to Farnsworth's patents. With this historic agreement in place, RCA integrated much of what was best about the Farnsworth Technology into their systems. In 1941, the United States implemented 525-line television. Electrical engineer Benjamin Adler played a prominent role in the development of television. The world's first 625-line television standard

7560-485: The Internet and broadcasting industry become what they are today. Just a few of these accomplishments include: In the summer of 1996 the top two technology members of Lou Dobb's team, Sam Edge and Nils Lahr , threatened to quit CNNfn if changes were not made to allow them more creative control in implementing new technologies. Additionally, they wanted some level of credit and increased internal recognition through proposed promotions. Dobbs tried to keep these key members of

7700-492: The June 3 switchover, and finalized on June 17 of the same year, when the switchover was completed. Following the March 2003 launch of CNNj , a live relay of CNN/US and CNN International, with simultaneous audio translation into Japanese, starting in late 2010, the high definition feed of CNN/US was launched in Japan under the name CNN HD . CNN/US (both SD and HD) is also available on Greater China-based satellite service DishHD ,

7840-470: The Royal Institution the transmission of an image of a face in motion by radio. This is widely regarded as the world's first true public television demonstration, exhibiting light, shade, and detail. Baird's system used the Nipkow disk for both scanning the image and displaying it. A brightly illuminated subject was placed in front of a spinning Nipkow disk set with lenses that swept images across

7980-560: The Science Museum, South Kensington. In 1928, Baird's company (Baird Television Development Company/Cinema Television) broadcast the first transatlantic television signal between London and New York and the first shore-to-ship transmission. In 1929, he became involved in the first experimental mechanical television service in Germany. In November of the same year, Baird and Bernard Natan of Pathé established France's first television company, Télévision- Baird -Natan. In 1931, he made

8120-556: The Syrian government news agency SANA that she had been directed by CNN to report selectively, repetitively, and falsely to sway public opinion in favor of direct American aggression against Iran and Syria , and that this was common practice under CNN. She subsequently repeated this claim, addressing the degraded state of journalistic ethics in an interview during which she also discussed the Bahraini episode, suggesting paid-for content

8260-465: The Telechrome continued, and plans were made to introduce a three-gun version for full color. However, Baird's untimely death in 1946 ended the development of the Telechrome system. Similar concepts were common through the 1940s and 1950s, differing primarily in the way they re-combined the colors generated by the three guns. The Geer tube was similar to Baird's concept but used small pyramids with

8400-411: The U.K.), through CNN International's official U.K. video site. However, viewers with non-proprietary Freesat boxes will need to add the channel manually as Freesat does not market CNN International HD publicly as part of its offerings. CNN debuted its news website CNN.com (initially an experiment known as CNN Interactive ) on August 30, 1995. The site attracted growing interest over its first decade and

8540-401: The U.S. according to Nielsen/NetRatings; with an increase of 11% over the previous year. CNN Pipeline was the name of a paid subscription service, its corresponding website, and a content delivery client that provided streams of live video from up to four sources (or "pipes"), on-demand access to CNN stories and reports, and optional pop-up "news alerts" to computer users. The installable client

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8680-569: The UK broadcasts using the Baird system were remarkably clear. A few systems ranging into the 200-line region also went on the air. Two of these were the 180-line system that Compagnie des Compteurs (CDC) installed in Paris in 1935 and the 180-line system that Peck Television Corp. started in 1935 at station VE9AK in Montreal . The advancement of all-electronic television (including image dissectors and other camera tubes and cathode-ray tubes for

8820-462: The United States or around the world. Also, certain scheduled broadcasts, such as New Year's Eve Live and Election Night in America , are aired on CNN International. Likewise, CNN/US occasionally turns to CNNI newscasts, primarily when major international news breaks during overnight hours in the U.S. During simulcasts, the timepiece of CNN/US is replaced by that of CNNI, and CNN/US's red logo on

8960-537: The World , which airs for two hours and if live news events are slated to happen during Amanpour' s timeslot, that show may air at a different time. Weekend simulcasts of CNN/US were increased with CNN/US's live news output shown in full at the time. Apart from between 5 a.m. – 11 a.m. GMT when editions of the international version of CNN Newsroom were aired alongside magazine programs, CNN International only showed its programming – consisting of magazine programs – when CNN/US

9100-461: The analog and channel-separated signals used by analog television . Due to data compression , digital television can support more than one program in the same channel bandwidth. It is an innovative service that represents the most significant evolution in television broadcast technology since color television emerged in the 1950s. Digital television's roots have been tied very closely to the availability of inexpensive, high performance computers . It

9240-629: The catchphrase "Don't be so CNN" entering the Chinese lexicon as meaning one should not be biased and use exaggerated language in describing an event. Pictures used by CNN were allegedly edited to have completely different meanings from the original ones. In addition, the channel was accused of largely ignoring pro-China voices during the Olympic Torch Relay debacle in San Francisco. In October 2011, Amber Lyon gave her claims to

9380-411: The channel's coverage of the 2008 Tibetan unrest . CNN reported that they took preventive measures after news broke of the impending attack. The company was honored at the 2008 Technology & Engineering Emmy Awards for development and implementation of an integrated and portable IP-based live, edit and store-and-forward digital newsgathering system. On October 24, 2009, CNN launched a new version of

9520-642: The channel's logo was replaced with a globe, and the new branding featured numerous international locations filmed in time-lapse, channel idents created in CGI with Velvet Design in Munich, and a news brand designed with The Attik in New York. The regionalization of CNN International was through the efforts of Chris Cramer , joining CNN in 1996. CNN International was split into three feeds – Asia, Europe/Africa/Middle East and Latin America. By 1998, CNN International produced 90% of its content, up from 50% in 1996. The rest of

9660-462: The convenience of remote retrieval, the storage of television and video programming now also occurs on the cloud (such as the video-on-demand service by Netflix ). At the beginning of the 2010s, digital television transmissions greatly increased in popularity. Another development was the move from standard-definition television (SDTV) ( 576i , with 576 interlaced lines of resolution and 480i ) to high-definition television (HDTV), which provides

9800-498: The design of RCA 's " iconoscope " in 1931, the U.S. patent for Tihanyi's transmitting tube would not be granted until May 1939. The patent for his receiving tube had been granted the previous October. Both patents had been purchased by RCA prior to their approval. Charge storage remains a basic principle in the design of imaging devices for television to the present day. On 25 December 1926, at Hamamatsu Industrial High School in Japan, Japanese inventor Kenjiro Takayanagi demonstrated

9940-525: The development of HDTV technology, the MUSE analog format proposed by NHK , a Japanese company, was seen as a pacesetter that threatened to eclipse U.S. electronics companies' technologies. Until June 1990, the Japanese MUSE standard, based on an analog system, was the front-runner among the more than 23 other technical concepts under consideration. Then, a U.S. company, General Instrument, demonstrated

10080-668: The different regional versions no longer differ significantly from each other, but there are still minor variations such as content during the commercial breaks (e.g. weather forecasts and local airtimes shown). CNN has reported that its broadcast agreement in mainland China includes an arrangement that its signal must pass through a Chinese-controlled satellite. With this method of transmission, Chinese authorities have been able to black out CNNI segments at will. CNN has also said that its broadcasts are not widely available in mainland China, but rather only in certain diplomatic compounds, hotels, and apartment blocks. In June 2015, CNN International

10220-535: The discontinuation of CRT, Digital Light Processing (DLP), plasma, and even fluorescent-backlit LCDs by the mid-2010s. LEDs are being gradually replaced by OLEDs. Also, major manufacturers have started increasingly producing smart TVs in the mid-2010s. Smart TVs with integrated Internet and Web 2.0 functions became the dominant form of television by the late 2010s. Television signals were initially distributed only as terrestrial television using high-powered radio-frequency television transmitters to broadcast

10360-859: The evening on Saturdays and Sundays. This has effectively given CNN/US rolling live 24-hour coverage throughout most of the conflict. On September 27, 2023, selected CNNI programmes were simulcast on CNN Max, CNN's streaming-only channel available on the US streaming service Max . The CNN International programmes simulcast there include State of the Race with Kasie Hunt (currently not airing), One World with Zain Asher & Bianna Golodryga , Amanpour , Quest Means Business , and various editions of CNN Newsroom . Since February and March 2024, CNN Max editions of CNN Newsroom presented by Amara Walker, Fredricka Whitfield, and Rahel Solomon, have also aired on CNNI. January 2024 saw

10500-499: The events they are reporting. The effect is a more immediate, less detached style of on-the-ground coverage. This has done little to stem criticism, largely from Middle Eastern nations, that CNN International reports news from a pro-American perspective. This is a marked contrast to domestic criticisms that often portray CNN as having a "liberal" or "anti-American" bias. A Chinese website, anti-cnn .com, had accused CNN and western media in general of biased reporting against China, with

10640-421: The extra information in the signal and produce a limited-resolution color display. The higher-resolution black-and-white and lower-resolution color images combine in the brain to produce a seemingly high-resolution color image. The NTSC standard represented a significant technical achievement. The first color broadcast (the first episode of the live program The Marriage ) occurred on 8 July 1954. However, during

10780-472: The facsimile machine between 1843 and 1846. Frederick Bakewell demonstrated a working laboratory version in 1851. Willoughby Smith discovered the photoconductivity of the element selenium in 1873. As a 23-year-old German university student, Paul Julius Gottlieb Nipkow proposed and patented the Nipkow disk in 1884 in Berlin . This was a spinning disk with a spiral pattern of holes, so each hole scanned

10920-482: The facts... We didn't have to show liberty and democracy as good and show socialism or totalitarianism as bad. If we just showed them both the way they were ... everybody's going to choose liberty and democracy." In 1995, creative director Morgan Almeida defined a progressive rebranding strategy, to target CNNI's diverse global market, making the on-air look less overtly American and with a cleaner, simpler "international" aesthetic going forward. The word "International" in

11060-482: The first hour of Early Start and the second hour of New Day , resulting in CNNI broadcasting CNN/US for seven hours each weekday. By mid-April 2020, due to the impact of the COVID-19 pandemic on CNN's operations, CNN/US weekday programming accounted for 14 hours within each 24-hour cycle of CNN International broadcasting time, with CNN International's daily worldwide programming in Europe consisting of five hours of

11200-440: The first outdoor remote broadcast of The Derby . In 1932, he demonstrated ultra-short wave television. Baird's mechanical system reached a peak of 240 lines of resolution on BBC telecasts in 1936, though the mechanical system did not scan the televised scene directly. Instead, a 17.5 mm film was shot, rapidly developed, and then scanned while the film was still wet. A U.S. inventor, Charles Francis Jenkins , also pioneered

11340-431: The following ten years, most network broadcasts and nearly all local programming continued to be black-and-white. It was not until the mid-1960s that color sets started selling in large numbers, due in part to the color transition of 1965, in which it was announced that over half of all network prime-time programming would be broadcast in color that fall. The first all-color prime-time season came just one year later. In 1972,

11480-417: The iconoscope (or Emitron) produced an electronic signal and concluded that its real efficiency was only about 5% of the theoretical maximum. They solved this problem by developing and patenting in 1934 two new camera tubes dubbed super-Emitron and CPS Emitron . The super-Emitron was between ten and fifteen times more sensitive than the original Emitron and iconoscope tubes, and, in some cases, this ratio

11620-693: The industrial standard for public broadcasting in Europe from 1936 until 1960, when it was replaced by the vidicon and plumbicon tubes. Indeed, it represented the European tradition in electronic tubes competing against the American tradition represented by the image orthicon. The German company Heimann produced the Superikonoskop for the 1936 Berlin Olympic Games, later Heimann also produced and commercialized it from 1940 to 1955; finally

11760-481: The international perspective that gives the information in this string and the plurality of the audiences. With this tagline, CNN also refers to the various platforms to disseminate their content. The new image was created by the creativity and marketing department, and agency CNN Tooth & Nail. An important element of the rebrand was a new evening program that added the broadcast of programs Amanpour and World One . The makeover of CNN International has been subject to

11900-420: The international version of CNN Newsroom, from 5 a.m. – 10 a.m. GMT, and five internationally focused programs: CNN World Sport , First Move with Julia Chatterley and Connect the World with Becky Anderson between the hours of 1 p.m. – 4 p.m. GMT; with Amanpour and Quest Means Business , between 6 p.m. – 8 p.m. GMT. Each of those internationally focused programs air for one hour each, except Connect

12040-437: The invention of the first working transistor at Bell Labs , Sony founder Masaru Ibuka predicted in 1952 that the transition to electronic circuits made of transistors would lead to smaller and more portable television sets. The first fully transistorized, portable solid-state television set was the 8-inch Sony TV8-301 , developed in 1959 and released in 1960. This began the transformation of television viewership from

12180-401: The last holdout among daytime network programs converted to color, resulting in the first completely all-color network season. Early color sets were either floor-standing console models or tabletop versions nearly as bulky and heavy, so in practice they remained firmly anchored in one place. GE 's relatively compact and lightweight Porta-Color set was introduced in the spring of 1966. It used

12320-464: The last of these had converted to color. By the early 1980s, B&W sets had been pushed into niche markets, notably low-power uses, small portable sets, or for use as video monitor screens in lower-cost consumer equipment. By the late 1980s, even these last holdout niche B&W environments had inevitably shifted to color sets. Digital television (DTV) is the transmission of audio and video by digitally processed and multiplexed signals, in contrast to

12460-486: The mid-1960s, color broadcasting was introduced in the U.S. and most other developed countries. The availability of various types of archival storage media such as Betamax and VHS tapes, LaserDiscs , high-capacity hard disk drives , CDs , DVDs , flash drives , high-definition HD DVDs and Blu-ray Discs , and cloud digital video recorders has enabled viewers to watch pre-recorded material—such as movies—at home on their own time schedule. For many reasons, especially

12600-466: The original Campbell-Swinton's selenium-coated plate. Although others had experimented with using a cathode-ray tube as a receiver, the concept of using one as a transmitter was novel. The first cathode-ray tube to use a hot cathode was developed by John B. Johnson (who gave his name to the term Johnson noise ) and Harry Weiner Weinhart of Western Electric , and became a commercial product in 1922. In 1926, Hungarian engineer Kálmán Tihanyi designed

12740-495: The percentage is for domestic CNN broadcasts from the United States. According to an annual PAX survey, in 1998 and 1999 CNN International was the leading cable and satellite network in Asia in terms of viewership among affluent households and among business decision-makers. CNN International planned to air shows in 1999 including World Beat, its popular weekly international music segment, and the global arts round-up Art Club. The channel

12880-456: The phosphors deposited on their outside faces instead of Baird's 3D patterning on a flat surface. The Penetron used three layers of phosphor on top of each other and increased the power of the beam to reach the upper layers when drawing those colors. The Chromatron used a set of focusing wires to select the colored phosphors arranged in vertical stripes on the tube. One of the great technical challenges of introducing color broadcast television

13020-556: The possibility of a digital television signal. This breakthrough was of such significance that the FCC was persuaded to delay its decision on an ATV standard until a digitally-based standard could be developed. CNNfn It was available in a number of markets, including the U.S. and Australia. In Canada, much of its content was aired on ROB TV (now BNN). After years of struggling to attract an audience, Time Warner folded CNNfn in late 2004. On some U.S. cable television systems, its slot

13160-507: The public at this time, viewing of the color field tests was restricted to RCA and CBS engineers and the invited press. The War Production Board halted the manufacture of television and radio equipment for civilian use from 22 April 1942 to 20 August 1945, limiting any opportunity to introduce color television to the general public. As early as 1940, Baird had started work on a fully electronic system he called Telechrome . Early Telechrome devices used two electron guns aimed at either side of

13300-512: The receiver, a type of Kerr cell modulated the light, and a series of differently angled mirrors attached to the edge of a rotating disc scanned the modulated beam onto the display screen. A separate circuit regulated synchronization. The 8x8 pixel resolution in this proof-of-concept demonstration was just sufficient to clearly transmit individual letters of the alphabet. An updated image was transmitted "several times" each second. In 1911, Boris Rosing and his student Vladimir Zworykin created

13440-415: The reproducer) marked the start of the end for mechanical systems as the dominant form of television. Mechanical television, despite its inferior image quality and generally smaller picture, would remain the primary television technology until the 1930s. The last mechanical telecasts ended in 1939 at stations run by a lot of public universities in the United States. In 1897, English physicist J. J. Thomson

13580-564: The resolution of the color information to conserve bandwidth. As black-and-white televisions could receive the same transmission and display it in black-and-white, the color system adopted is [backwards] "compatible." ("Compatible Color," featured in RCA advertisements of the period, is mentioned in the song " America ," of West Side Story , 1957.) The brightness image remained compatible with existing black-and-white television sets at slightly reduced resolution. In contrast, color televisions could decode

13720-558: The results of some "not very successful experiments" he had conducted with G. M. Minchin and J. C. M. Stanton. They had attempted to generate an electrical signal by projecting an image onto a selenium-coated metal plate that was simultaneously scanned by a cathode ray beam. These experiments were conducted before March 1914, when Minchin died, but they were later repeated by two different teams in 1937, by H. Miller and J. W. Strange from EMI , and by H. Iams and A. Rose from RCA . Both teams successfully transmitted "very faint" images with

13860-504: The return of First Move with Julia Chatterley . The program airs just before the start of the Asian trading day, as opposed to just before the start of the American trading day. Consequently, CNNI's weekday simulcast of CNN US programming now begins later but still operates on weeknights between 7 pm and midnight ET and between 5 am and 8 am ET. Some of the programmes produced by CNN/US are not broadcast on CNNI in full. CNN International HD

14000-449: The signal to individual television receivers. Alternatively, television signals are distributed by coaxial cable or optical fiber , satellite systems, and, since the 2000s, via the Internet. Until the early 2000s, these were transmitted as analog signals, but a transition to digital television was expected to be completed worldwide by the late 2010s. A standard television set consists of multiple internal electronic circuits , including

14140-595: The significance of the Bell Labs demonstration: "It was, in fact, the best demonstration of a mechanical television system ever made to this time. It would be several years before any other system could even begin to compare with it in picture quality." In 1928, WRGB , then W2XB, was started as the world's first television station. It broadcast from the General Electric facility in Schenectady, NY . It

14280-647: The spectrum of colors at the transmitting end and could not have worked as he described it. Another inventor, Hovannes Adamian , also experimented with color television as early as 1907. The first color television project is claimed by him, and was patented in Germany on 31 March 1908, patent No. 197183, then in Britain, on 1 April 1908, patent No. 7219, in France (patent No. 390326) and in Russia in 1910 (patent No. 17912). Scottish inventor John Logie Baird demonstrated

14420-535: The start of the outbreak, CNNI's programming has been significantly cut back, although international programmes have slowly been reintroduced. However, CNNI still only opts out of CNN US for less than the 24-hour clock period, and CNNI currently draws from the feed of the main CNN channel for all editions of CNN This Morning , Erin Burnett Outfront , Anderson Cooper 360° and CNN Tonight . CNNI also broadcasts most of The Lead with Jake Tapper . At

14560-546: The system was improved further by eliminating a motor generator so that his television system had no mechanical parts. That year, Farnsworth transmitted the first live human images with his system, including a three and a half-inch image of his wife Elma ("Pem") with her eyes closed (possibly due to the bright lighting required). Meanwhile, Vladimir Zworykin also experimented with the cathode-ray tube to create and show images. While working for Westinghouse Electric in 1923, he began to develop an electronic camera tube. However, in

14700-475: The team at CNNfn by offering them higher wages and even went as far as to suggest that he would create an entire company dedicated to high-technology research in connection with Gartner such that the advancements that were made would become knowledge that could be sold to others. However Dobbs was unable to make this happen quickly inside of CNN as there was resistance from Turner and others. In late 1996, Edge moved to CNN in Atlanta, Georgia , and Lahr left to join

14840-439: The technologies invented in the early CNNfn days helped launch CNN and the entire broadcasting industry into a new digital era. The CNNfn.com website continued on, and in 2001 merged with Money Magazine to form CNNMoney. The schedule below is taken from the now-defunct site of CNNfn as at 2001 (only from Monday to 12 am on Friday). All the times ET . CNNfn inaugurated many innovations on TV and online. Many of these helped

14980-585: The television. He published an article on "Motion Pictures by Wireless" in 1913, transmitted moving silhouette images for witnesses in December 1923, and on 13 June 1925, publicly demonstrated synchronized transmission of silhouette pictures. In 1925, Jenkins used the Nipkow disk and transmitted the silhouette image of a toy windmill in motion over a distance of 5 miles (8 km), from a naval radio station in Maryland to his laboratory in Washington, D.C., using

15120-546: The term dates back to 1900, when the Russian scientist Constantin Perskyi used it in a paper that he presented in French at the first International Congress of Electricity, which ran from 18 to 25 August 1900 during the International World Fair in Paris. The anglicized version of the term is first attested in 1907, when it was still "...a theoretical system to transmit moving images over telegraph or telephone wires ". It

15260-525: The tube throughout each scanning cycle. The device was first described in a patent application he filed in Hungary in March 1926 for a television system he called "Radioskop". After further refinements included in a 1928 patent application, Tihanyi's patent was declared void in Great Britain in 1930, so he applied for patents in the United States. Although his breakthrough would be incorporated into

15400-499: The two domestic CNN channels ( CNN/US and Headline News ). In the United Kingdom, the channel began broadcasting on September 17, 1987, the office was located at 25/28 Old Burlington Street, London. In 1990, however, the amount of news programming produced by CNNI especially for international viewers increased significantly. Paul Vessey, an executive of CNN International, said in 1992 that CNN will go international style and get "less and less American". A new newsroom and studio complex

15540-522: The use of a CRT as a display device. The Braun tube became the foundation of 20th century television. In 1906 the Germans Max Dieckmann and Gustav Glage produced raster images for the first time in a CRT. In 1907, Russian scientist Boris Rosing used a CRT in the receiving end of an experimental video signal to form a picture. He managed to display simple geometric shapes onto the screen. In 1908, Alan Archibald Campbell-Swinton ,

15680-529: The weekend, CNNI simulcasts much of the entire weekend schedule, apart from the first hour of CNN This Morning and some of CNN Newsroom . Programs seen on the global network include the Sunday edition of Inside Politics , State of the Union , Fareed Zakaria GPS , Smerconish and some CNN Special Investigations Unit documentaries. CNNI also simulcasts CNN/US newscasts whenever major events happen in

15820-431: The widespread adoption of television. On 7 September 1927, U.S. inventor Philo Farnsworth 's image dissector camera tube transmitted its first image, a simple straight line, at his laboratory at 202 Green Street in San Francisco. By 3 September 1928, Farnsworth had developed the system sufficiently to hold a demonstration for the press. This is widely regarded as the first electronic television demonstration. In 1929,

15960-430: The work of Nipkow and others. However, it was not until 1907 that developments in amplification tube technology by Lee de Forest and Arthur Korn , among others, made the design practical. The first demonstration of the live transmission of images was by Georges Rignoux and A. Fournier in Paris in 1909. A matrix of 64 selenium cells, individually wired to a mechanical commutator , served as an electronic retina . In

16100-457: The world's first color transmission on 3 July 1928, using scanning discs at the transmitting and receiving ends with three spirals of apertures, each spiral with filters of a different primary color, and three light sources at the receiving end, with a commutator to alternate their illumination. Baird also made the world's first color broadcast on 4 February 1938, sending a mechanically scanned 120-line image from Baird's Crystal Palace studios to

16240-549: The world's first public demonstration of an all-electronic television system, using a live camera, at the Franklin Institute of Philadelphia on 25 August 1934 and for ten days afterward. Mexican inventor Guillermo González Camarena also played an important role in early television. His experiments with television (known as telectroescopía at first) began in 1931 and led to a patent for the "trichromatic field sequential system" color television in 1940. In Britain,

16380-463: Was "...formed in English or borrowed from French télévision ." In the 19th century and early 20th century, other "...proposals for the name of a then-hypothetical technology for sending pictures over distance were telephote (1880) and televista (1904)." The abbreviation TV is from 1948. The use of the term to mean "a television set " dates from 1941. The use of the term to mean "television as

16520-512: Was Tony Maddox. In 2019, CNN International announced it was reducing its programming and staff based in London to reduce costs, with CNNI losing $ 10 million per year. Later that year, CNNI cancelled its Asia-Pacific Primetime Show, News Stream , anchored by Kristie Lu Stout , effectively ending production output from its Hong Kong Studios. In 2022, WarnerMedia closed CNN International in Russia due to Russia's invasion of Ukraine . There are five variants of CNN International: The schedules of

16660-459: Was able, in his three well-known experiments, to deflect cathode rays, a fundamental function of the modern cathode-ray tube (CRT). The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the "Braun" tube. It was a cold-cathode diode , a modification of the Crookes tube , with a phosphor -coated screen. Braun was the first to conceive

16800-571: Was also taken from Georgia , Kazakhstan , and other states, that the War on Terrorism had also been employed as a pretext to pre-empt substantive investigative journalism within the U.S., and that following the Bahrain reporting, her investigative department had been terminated and "reorganized", and her severance and employee benefits used as a threat to intimidate and attempt to purchase her subsequent silence. Television Television ( TV )

16940-614: Was at CNN's original studio building known as Techwood, home at that time to all of Turner Broadcasting System's channels. Today, it is home to the Techwood Studios complex that houses the entertainment channels. Other early studios in Atlanta were tucked away in various corners of the CNN Center , and the newsroom lacked even a digital clock . The vast majority of the network's programming originally consisted of simulcasts of

17080-415: Was available to users of PCs running Microsoft Windows . There was also a browser-based "web client" that did not require installation. In July 2007, the service was discontinued and replaced with a free streaming service. The now-defunct topical news program Judy Woodruff's Inside Politics was the first CNN program to feature a round-up of blogs in 2005. Blog coverage was expanded when Inside Politics

17220-543: Was banned in China in June 1999, on the tenth anniversary of the Tianamnen Square massacre . The network undertook another major rebranding effort in 2006 overseen by Mark Wright and London agency Kemistry. The ticker was replaced by a flipper, on-screen graphics were more unified and from October 2007 until August 2008, new studios were progressively rolled out. However, on January 1, 2009, CNN International adopted

17360-479: Was broadcasting repeat showings of programs it had aired earlier that day. Later in 2020, live weekend domestic programming on CNN International was slightly reduced to accommodate newer editions of magazine programs although apart from during the North American overnight period, CNNI still does not produce any of its news coverage at the weekend although on weekdays, CNN World Sport was re-introduced and

17500-522: Was built in 1994, as CNN decided to compete against BBC World Service Television 's news programming. CNNI emerged as an internationally oriented news channel, with staff members of various national backgrounds, even though some accusations of a pro-U.S. editorial bias persist. CNN International was awarded the Liberty Medal on July 4, 1997. Ted Turner, in accepting the medal on behalf of the network, said: "My idea was, we're just going to give people

17640-518: Was considerably greater. It was used for outside broadcasting by the BBC, for the first time, on Armistice Day 1937, when the general public could watch on a television set as the King laid a wreath at the Cenotaph. This was the first time that anyone had broadcast a live street scene from cameras installed on the roof of neighboring buildings because neither Farnsworth nor RCA would do the same until

17780-654: Was designed in the Soviet Union in 1944 and became a national standard in 1946. The first broadcast in 625-line standard occurred in Moscow in 1948. The concept of 625 lines per frame was subsequently implemented in the European CCIR standard. In 1936, Kálmán Tihanyi described the principle of plasma display , the first flat-panel display system. Early electronic television sets were large and bulky, with analog circuits made of vacuum tubes . Following

17920-501: Was folded into The Situation Room . In 2006, CNN launched CNN Exchange and CNN iReport , initiatives designed to further introduce and centralize the impact of everything from blogging to citizen journalism within the CNN brand. CNN iReport which features user-submitted photos and video, has achieved considerable traction, with increasingly professional-looking reports filed by amateur journalists, many still in high school or college. The iReport gained more prominence when observers of

18060-452: Was given to CNN International on a full-time basis; previously, CNN International filled CNNfn's schedule in late nights and weekends. However, many cable companies ended their carriage of the channel and did not take CNN International, though it is available through the CNN website and mobile app with TV Everywhere credentials. CNN continues to maintain a business news vertical on digital platforms, now known as CNN Business . The vertical

18200-520: Was made available online in the United States for CNN/U.S subscribers on participating television providers through the CNNgo service. CNNj is a Japanese version of CNN International distributed by Japan Cable Television that first launched on March 1, 2003. CNNj is tailored specifically for a Japanese audience, with all programming broadcast from 7:00 a.m. to 12:00 a.m. ( Japan Standard Time ) being translated into Japanese. The channel used to broadcast

18340-411: Was more reliable and visibly superior. This was the world's first regular "high-definition" television service. The original U.S. iconoscope was noisy, had a high ratio of interference to signal, and ultimately gave disappointing results, especially compared to the high-definition mechanical scanning systems that became available. The EMI team, under the supervision of Isaac Shoenberg , analyzed how

18480-408: Was not until the 1990s that digital television became possible. Digital television was previously not practically possible due to the impractically high bandwidth requirements of uncompressed digital video , requiring around 200   Mbit/s for a standard-definition television (SDTV) signal, and over 1   Gbit/s for high-definition television (HDTV). A digital television service

18620-410: Was one by Maurice Le Blanc in 1880 for a color system, including the first mentions in television literature of line and frame scanning. Polish inventor Jan Szczepanik patented a color television system in 1897, using a selenium photoelectric cell at the transmitter and an electromagnet controlling an oscillating mirror and a moving prism at the receiver. But his system contained no means of analyzing

18760-507: Was originally CNNMoney—a partnership with the Time Warner-owned financial magazines Fortune and Money . The partnership was folded after Time Warner spun out its publishing assets (and subsequently sale to Meredith Corporation , and later, to IAC 's Dotdash ). In 1995, Lou Dobbs and Ted Turner were having heated internal discussions about the direction of CNN. Dobbs was able to convince Turner that letting him start

18900-855: Was partly mechanical, with a disc made of red, blue, and green filters spinning inside the television camera at 1,200 rpm and a similar disc spinning in synchronization in front of the cathode-ray tube inside the receiver set. The system was first demonstrated to the Federal Communications Commission (FCC) on 29 August 1940 and shown to the press on 4 September. CBS began experimental color field tests using film as early as 28 August 1940 and live cameras by 12 November. NBC (owned by RCA) made its first field test of color television on 20 February 1941. CBS began daily color field tests on 1 June 1941. These color systems were not compatible with existing black-and-white television sets , and, as no color television sets were available to

19040-524: Was popularly known as " WGY Television." Meanwhile, in the Soviet Union , Leon Theremin had been developing a mirror drum-based television, starting with 16 lines resolution in 1925, then 32 lines, and eventually 64 using interlacing in 1926. As part of his thesis, on 7 May 1926, he electrically transmitted and then projected near-simultaneous moving images on a 5-square-foot (0.46 m ) screen. By 1927 Theremin had achieved an image of 100 lines,

19180-517: Was proposed in 1986 by Nippon Telegraph and Telephone (NTT) and the Ministry of Posts and Telecommunication (MPT) in Japan, where there were plans to develop an "Integrated Network System" service. However, it was not possible to implement such a digital television service practically until the adoption of DCT video compression technology made it possible in the early 1990s. In the mid-1980s, as Japanese consumer electronics firms forged ahead with

19320-515: Was the desire to conserve bandwidth , potentially three times that of the existing black-and-white standards, and not use an excessive amount of radio spectrum . In the United States, after considerable research, the National Television Systems Committee approved an all-electronic system developed by RCA , which encoded the color information separately from the brightness information and significantly reduced

19460-500: Was unable or unwilling to introduce evidence of a working model of his tube that was based on his 1923 patent application. In September 1939, after losing an appeal in the courts and being determined to go forward with the commercial manufacturing of television equipment, RCA agreed to pay Farnsworth US$ 1 million over ten years, in addition to license payments, to use his patents. In 1933, RCA introduced an improved camera tube that relied on Tihanyi's charge storage principle. Called

19600-419: Was varied in proportion to the brightness of each spot on the image. As each hole in the disk passed by, one scan line of the image was reproduced. Baird's disk had 30 holes, producing an image with only 30 scan lines, just enough to recognize a human face. In 1927, Baird transmitted a signal over 438 miles (705 km) of telephone line between London and Glasgow . Baird's original 'televisor' now resides in

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