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81-458: ReFLEX is a wireless protocol developed by Motorola , used for two-way paging, messaging, and low-bandwidth data. It is based on the FLEX one-way paging protocol, adding capabilities for multiple forward channels, multiple return channels, and roaming. It originally came in two variants, ReFLEX25 and ReFLEX50 . ReFLEX50 was originally developed to support a messaging service launched by MTEL in

162-403: A Democrat, was elected in 1955, in the era of machine politics . In 1956, the city conducted its last major expansion when it annexed the land under O'Hare airport, including a small portion of DuPage County. By the 1960s, white residents in several neighborhoods left the city for the suburban areas – in many American cities, a process known as white flight – as Blacks continued to move beyond

243-529: A French defense firm. Motorola's biometric business unit was headquartered in Anaheim, California. The deal closed in April 2009. The unit became part of Sagem Morpho , which was renamed MorphoTrak . On March 26, 2008, Motorola's board of directors approved a split into two different publicly traded companies. This came after talk of selling the company to another corporation. These new companies would comprise

324-708: A ban on the use of water that lasted three days and affected almost 5000 people in the area. Motorola was found to be the main source of the TCE, an industrial solvent that is thought to cause cancer. The TCE contamination was caused by a faulty blower on an air stripping tower that was used to take TCE from the water, and Motorola has attributed the situation to operator error. Of eighteen leading electronics manufacturers in Greenpeace 's Guide to Greener Electronics (October 2010), Motorola shared sixth place with competitors Panasonic and Sony . Motorola scored relatively well on

405-550: A further 4,000 job cuts in June and another 20% cut of its research division a few days later. In July 2008, a large number of executives left Motorola to work on Apple Inc. 's iPhone . The company's handset division was also put on offer for sale. Also that month, analyst Mark McKechnie from American Technology Research said that Motorola "would be lucky to fetch $ 500 million" for selling its handset business. Analyst Richard Windsor said that Motorola might have to pay someone to take

486-495: A heart attack soon after. Washington was succeeded by 6th ward alderperson Eugene Sawyer , who was elected by the Chicago City Council and served until a special election. Richard M. Daley , son of Richard J. Daley, was elected in 1989. His accomplishments included improvements to parks and creating incentives for sustainable development , as well as closing Meigs Field in the middle of the night and destroying

567-665: A model for the new field of social work . During the 1870s and 1880s, Chicago attained national stature as the leader in the movement to improve public health. City laws and later, state laws that upgraded standards for the medical profession and fought urban epidemics of cholera , smallpox , and yellow fever were both passed and enforced. These laws became templates for public health reform in other cities and states. The city established many large, well-landscaped municipal parks , which also included public sanitation facilities. The chief advocate for improving public health in Chicago

648-560: A more central player in the early stages of the GSM standardization process in 1987. With this addition Motorola strengthened its position in Europe significantly. As Motorola's European development arm, Storno developed a GSM terminal in 1992. On January 29, 1988, Motorola sold its Arcade, New York facility and automotive alternators, electromechanical speedometers and tachometers products to Prestolite Electric . In 1996, Motorola released

729-479: A new grade with the use of jackscrews for raising buildings. While elevating Chicago, and at first improving the city's health, the untreated sewage and industrial waste now flowed into the Chicago River , and subsequently into Lake Michigan , polluting the city's primary freshwater source. The city responded by tunneling two miles (3.2 km) out into Lake Michigan to newly built water cribs . In 1900,

810-580: Is a stub . You can help Misplaced Pages by expanding it . Motorola Motorola, Inc. ( / ˌ m oʊ t ə ˈ r oʊ l ə / ) was an American multinational telecommunications company based in Schaumburg, Illinois . It was founded in 1928 as Galvin Manufacturing Corporation by brothers Paul and Joseph Galvin. The company changed its name to Motorola in 1947. After having lost $ 4.3 billion from 2007 to 2009, Motorola

891-407: Is known to botanists as Allium tricoccum and known more commonly as "ramps". The first known reference to the site of the current city of Chicago as " Checagou " was by Robert de LaSalle around 1679 in a memoir. Henri Joutel , in his journal of 1688, noted that the eponymous wild "garlic" grew profusely in the area. According to his diary of late September 1687: ... when we arrived at

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972-554: Is routinely ranked among the world's top six busiest airports by passenger traffic , and the region is also the nation's railroad hub. The Chicago area has one of the highest gross domestic products (GDP) of any urban region in the world, generating $ 689 billion in 2018. Chicago's economy is diverse , with no single industry employing more than 14% of the workforce. Chicago is a major destination for tourism , including visitors to its cultural institutions , and Lake Michigan beaches . Chicago's culture has contributed much to

1053-539: Is synchronous, based on 1.875 second frames and 4-level FSK modulation. The Motorola PageWriter released in 1996 was one of the first devices to use the ReFLEX network protocol. Although ReFLEX now has limited viability in the commercial market, it is finding new uses in Automatic Meter Reading , public safety, and low cost/bandwidth M2M applications. This article about wireless technology

1134-675: Is the most populous city in the U.S. state of Illinois and in the Midwestern United States . With a population of 2,746,388, as of the 2020 census , it is the third-most populous city in the United States after New York City and Los Angeles . As the seat of Cook County , the second-most populous county in the U.S., Chicago is the center of the Chicago metropolitan area , often colloquially called "Chicagoland" and home to 9.6 million residents. Located on

1215-479: The Black Belt . While home loan discriminatory redlining against blacks continued, the real estate industry practiced what became known as blockbusting , completely changing the racial composition of whole neighborhoods. Structural changes in industry, such as globalization and job outsourcing, caused heavy job losses for lower-skilled workers. At its peak during the 1960s, some 250,000 workers were employed in

1296-719: The Calumet River in the industrial far South Side—flow either entirely or partially through the city. Chicago's history and economy are closely tied to its proximity to Lake Michigan. While the Chicago River historically handled much of the region's waterborne cargo, today's huge lake freighters use the city's Lake Calumet Harbor on the South Side. The lake also provides another positive effect: moderating Chicago's climate, making waterfront neighborhoods slightly warmer in winter and cooler in summer. When Chicago

1377-562: The Chicago School , the development of the City Beautiful movement , and the steel-framed skyscraper . Chicago is an international hub for finance, culture , commerce, industry, education, technology, telecommunications, and transportation . It has the largest and most diverse finance derivatives market in the world, generating 20% of all volume in commodities and financial futures alone. O'Hare International Airport

1458-599: The Great Lakes to connect to the Mississippi River. A flourishing economy brought residents from rural communities and immigrants from abroad. Manufacturing and retail and finance sectors became dominant, influencing the American economy . The Chicago Board of Trade (established 1848) listed the first-ever standardized "exchange-traded" forward contracts, which were called futures contracts . In

1539-542: The Jefferson Township , which now makes up most of Chicago's Northwest Side . The desire to join the city was driven by municipal services that the city could provide its residents. Chicago's flourishing economy attracted huge numbers of new immigrants from Europe and migrants from the Eastern United States . Of the total population in 1900, more than 77% were either foreign-born or born in

1620-511: The Miami , Sauk and Meskwaki peoples in this region. The first known permanent settler in Chicago was trader Jean Baptiste Point du Sable . Du Sable was of African descent, perhaps born in the French colony of Saint-Domingue (Haiti), and established the settlement in the 1780s. He is commonly known as the "Founder of Chicago." In 1795, following the victory of the new United States in

1701-702: The Motorola Droid , was released in 2009 (the GSM version launched a month later, in Europe, as the Motorola Milestone). The handset division, along with the cable set-top box and modem businesses, were later spun off into Motorola Mobility. Motorola was founded in Chicago, Illinois , as Galvin Manufacturing Corporation (at 847 West Harrison Street) in 1928. Paul Galvin wanted a brand name for Galvin Manufacturing Corporation's new car radio, and created

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1782-581: The Motorola StarMax , which was a Macintosh clone that was licensed by Apple and it came with System 7 . However, with the return of Steve Jobs to Apple in 1997, Apple released Mac OS 8 . Because the clone makers' licenses were valid only for Apple's System 7 operating system, Apple's release of Mac OS 8 left the clone manufacturers unable to ship a current Mac OS version without negotiation with Apple. A heated telephone conversation between Jobs and then Motorola CEO Christopher Galvin resulted in

1863-592: The New Negro Movement , in art, literature, and music. Continuing racial tensions and violence, such as the Chicago race riot of 1919 , also occurred. The ratification of the 18th amendment to the Constitution in 1919 made the production and sale (including exportation) of alcoholic beverages illegal in the United States. This ushered in the beginning of what is known as the gangster era, a time that roughly spans from 1919 until 1933 when Prohibition

1944-836: The Northwest Indian War , an area that was to be part of Chicago was turned over to the U.S. for a military post by native tribes in accordance with the Treaty of Greenville . In 1803, the U.S. Army constructed Fort Dearborn , which was destroyed during the War of 1812 in the Battle of Fort Dearborn by the Potawatomi before being later rebuilt. After the War of 1812, the Ottawa , Ojibwe , and Potawatomi tribes ceded additional land to

2025-469: The University of Chicago , Northwestern University , and the University of Illinois Chicago , among other institutions of learning . Professional sports in Chicago include all major professional leagues , including two Major League Baseball teams. The name Chicago is derived from a French rendering of the indigenous Miami–Illinois word shikaakwa for a wild relative of the onion ; it

2106-698: The Washington and Jackson Parks. During World War I and the 1920s there was a major expansion in industry. The availability of jobs attracted African Americans from the Southern United States . Between 1910 and 1930, the African American population of Chicago increased dramatically, from 44,103 to 233,903. This Great Migration had an immense cultural impact, called the Chicago Black Renaissance , part of

2187-494: The 1800s, Chicago became the nation's railroad hub, and by 1910 over 20 railroads operated passenger service out of six different downtown terminals. In 1883, Chicago's railway managers needed a general time convention, so they developed the standardized system of North American time zones . This system for telling time spread throughout the continent. In 1893, Chicago hosted the World's Columbian Exposition on former marshland at

2268-477: The 1850s, Chicago gained national political prominence as the home of Senator Stephen Douglas , the champion of the Kansas–Nebraska Act and the "popular sovereignty" approach to the issue of the spread of slavery. These issues also helped propel another Illinoisan, Abraham Lincoln , to the national stage. Lincoln was nominated in Chicago for U.S. president at the 1860 Republican National Convention , which

2349-705: The 57th mayor of Chicago. Chicago is located in northeastern Illinois on the southwestern shores of freshwater Lake Michigan. It is the principal city in the Chicago Metropolitan Area , situated in both the Midwestern United States and the Great Lakes region . The city rests on a continental divide at the site of the Chicago Portage, connecting the Mississippi River and the Great Lakes watersheds . In addition to it lying beside Lake Michigan, two rivers—the Chicago River in downtown and

2430-455: The Chicago River were devastated; by 1933 over 50% of industrial jobs in the city had been lost, and unemployment rates amongst blacks and Mexicans in the city were over 40%. The Republican political machine in Chicago was utterly destroyed by the economic crisis, and every mayor since 1931 has been a Democrat . From 1928 to 1933, the city witnessed a tax revolt, and the city was unable to meet payroll or provide relief efforts. The fiscal crisis

2511-535: The Mississippi River. In 1871, the Great Chicago Fire destroyed an area about 4 miles (6.4 km) long and 1-mile (1.6 km) wide, a large section of the city at the time. Much of the city, including railroads and stockyards , survived intact, and from the ruins of the previous wooden structures arose more modern constructions of steel and stone. These set a precedent for worldwide construction. During its rebuilding period, Chicago constructed

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2592-578: The South arrived in the city to work in the steel mills, railroads, and shipping yards. On December 2, 1942, physicist Enrico Fermi conducted the world's first controlled nuclear reaction at the University of Chicago as part of the top-secret Manhattan Project . This led to the creation of the atomic bomb by the United States, which it used in World War II in 1945. Mayor Richard J. Daley ,

2673-514: The U.S. Federal Communications Commission (FCC) approved the DynaTAC 8000X telephone, the world's first commercial cellular device. By 1998, cellphones accounted for two thirds of Motorola's gross revenue. In 1986 Motorola acquired Storno resulting in a whole new range of innovative communication products for the new owner, including the NMT , an automatic cellular phone system, and made Motorola

2754-477: The U.S. state of Illinois) included the Village of River Forest, Village of Bellwood Police Department, City of Evanston Police, Illinois State Highway Police, and Cook County (Chicago area) Police. Many of Motorola's products have been radio-related, starting with a battery eliminator for battery powered radios (during the burgeoning electrification of rural homes), through the first hand-held walkie-talkie in

2835-624: The United States in the 1816 Treaty of St. Louis . The Potawatomi were forcibly removed from their land after the 1833 Treaty of Chicago and sent west of the Mississippi River as part of the federal policy of Indian removal . On August 12, 1833, the Town of Chicago was organized with a population of about 200. Within seven years it grew to more than 6,000 people. On June 15, 1835, the first public land sales began with Edmund Dick Taylor as Receiver of Public Monies. The City of Chicago

2916-787: The United States of foreign parentage. Germans , Irish , Poles , Swedes , and Czechs made up nearly two-thirds of the foreign-born population (by 1900, whites were 98.1% of the city's population). Labor conflicts followed the industrial boom and the rapid expansion of the labor pool, including the Haymarket affair on May 4, 1886, and in 1894 the Pullman Strike . Anarchist and socialist groups played prominent roles in creating very large and highly organized labor actions. Concern for social problems among Chicago's immigrant poor led Jane Addams and Ellen Gates Starr to found Hull House in 1889. Programs that were developed there became

2997-531: The business units of Motorola Mobile Devices and Motorola Broadband & Mobility Solutions. Originally it was expected that this action would be approved by regulatory bodies and complete by mid-2009, but the split was delayed due to company restructuring problems and the 2008–2009 extreme economic downturn. On February 11, 2010, Motorola announced it would separate into two independent, publicly traded companies. The cell phone and cable television equipment businesses would spin off to form Motorola Mobility , while

3078-541: The chemicals criteria and has a goal to eliminate PVC plastic and Brominated flame retardants (BFRs), though only in mobile devices and not in all its products introduced after 2010, despite the fact that Sony Ericsson and Nokia were already there. All of its mobile phones were now PVC-free and it had two PVC and BFR-free mobile phones, the A45 ECO and the GRASP; all chargers were also free from PVC and BFRs. The company

3159-565: The city include the central business district, called the Loop , and the North, South , and West Sides . The three sides of the city are represented on the Flag of Chicago by three horizontal white stripes. The North Side is the most-densely-populated residential section of the city, and many high-rises are located on this side of the city along the lakefront. The South Side is the largest section of

3240-545: The city was affected by a series of tenant rent strikes , which lead to the formation of the Chicago Tenants Protective association, passage of the Kessenger tenant laws, and of a heat ordinance that legally required flats to be kept above 68 °F during winter months by landlords. Chicago was the first American city to have a homosexual-rights organization. The organization, formed in 1924,

3321-415: The city's first African American woman mayor and its first openly LGBTQ mayor, was elected to succeed Emanuel as mayor in 2019. All three city-wide elective offices were held by women (and women of color) for the first time in Chicago history: in addition to Lightfoot, the city clerk was Anna Valencia and the city treasurer was Melissa Conyears-Ervin . On May 15, 2023, Brandon Johnson assumed office as

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3402-424: The city's first female mayor, was elected. She was notable for temporarily moving into the crime-ridden Cabrini-Green housing project and for leading Chicago's school system out of a financial crisis. In 1983, Harold Washington became the first black mayor of Chicago. Washington's first term in office directed attention to poor and previously neglected minority neighborhoods. He was re‑elected in 1987 but died of

3483-551: The company reported a profit of $ 162 million, which compared very favorably to the $ 26 million earned for the same period the year before. Its Mobile Devices division reported, for the first time in years, earnings of $ 87 million. Motorola, Inc., along with the Arizona Water Co. had been identified as the sources of trichloroethylene (TCE) contamination that took place in Scottsdale, Arizona . The malfunction led to

3564-527: The convention hall, with anti-war protesters, journalists and bystanders being beaten by police. Major construction projects, including the Sears Tower (now known as the Willis Tower , which in 1974 became the world's tallest building ), University of Illinois at Chicago , McCormick Place , and O'Hare International Airport , were undertaken during Richard J. Daley's tenure. In 1979, Jane Byrne ,

3645-483: The district and forcing a shutdown of electrical power. The area was shut down for three days and some buildings did not reopen for weeks; losses were estimated at $ 1.95 billion. On February 23, 2011, Rahm Emanuel , a former White House Chief of Staff and member of the House of Representatives , won the mayoral election. Emanuel was sworn in as mayor on May 16, 2011, and won re-election in 2015. Lori Lightfoot ,

3726-465: The division off the company's hands, and that Motorola may even exit the handset market altogether. Its global market share has been on the decline; from 18.4% of the market in 2007 the company had a share of just 6.0% by Q1 2009, but at last, Motorola scored a profit of $ 26 million in Q2 and showed an increase of 12% in stocks for the first time after losses in many quarters. During the second quarter of 2010,

3807-539: The fair was technological innovation over the century since Chicago's founding. During World War II , the city of Chicago alone produced more steel than the United Kingdom every year from 1939 – 1945, and more than Nazi Germany from 1943 – 1945. The Great Migration, which had been on pause due to the Depression, resumed at an even faster pace in the second wave , as hundreds of thousands of blacks from

3888-453: The famous words "That's one small step for man, one giant leap for mankind" from the Moon on a Motorola transceiver. In 1973, Motorola demonstrated the first hand-held portable telephone. In 1974, Motorola introduced its first microprocessor, the 8-bit MC6800 , used in automotive, computing and video game applications. The 6800 was the basis for the more popular MOS Technology 6502 which

3969-565: The intellectual property of Sendo for $ 30,000 and paid £362,575 for the plant, machinery and equipment. In June 2006, Motorola acquired the software platform ( AJAR ) developed by the British company TTP Communications plc. Later in 2006, the firm announced a music subscription service named iRadio . The technology came after a break in a partnership with Apple Computer (which in 2005 had produced an iTunes compatible cell phone ROKR E1 , and most recently, mid-2007, its own iPhone ). iRadio

4050-451: The lowest points are along the lake shore at 578 ft (176.2 m), while the highest point, at 672 ft (205 m), is the morainal ridge of Blue Island in the city's far south side. Lake Shore Drive runs adjacent to a large portion of Chicago's waterfront. Some of the parks along the waterfront include Lincoln Park , Grant Park , Burnham Park , and Jackson Park . There are 24 public beaches across 26 miles (42 km) of

4131-791: The mid 1990s, while ReFLEX25 was developed several years later to provide an upgrade path for traditional one-way paging carriers. The 50 and 25 signified 50 kHz and 25kHz channel spacing, although in reality both variants supported flexible channel configurations. The two variants were unified into a single protocol with version 2.7, which was released simply as ReFLEX 2.7 . Devices compliant with ReFLEX 2.7 are backwards compatible with both ReFLEX25 and ReFLEX50 networks, with several new features to improve roaming, performance, and interoperability between different networks. ReFLEX systems support forward channel speeds of 1600, 3200, and 6400 bits per second, and return channel speeds of 800, 1600, 6400, and 9600 bits per second. Like FLEX , ReFLEX

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4212-680: The name "Motorola" by linking "motor" (from motor car) with "ola" (from Victrola ), which was also a popular ending for many companies at the time, e.g. Moviola , Crayola . The company sold its first Motorola branded radio on June 23, 1930, to Herbert C. Wall of Fort Wayne, Indiana, for $ 30. The Motorola brand name became so well known that Galvin Manufacturing Corporation later changed its name to Motorola, Inc., in 1947. Galvin Manufacturing Corporation began selling Motorola car-radio receivers to police departments and municipalities in November 1930. The company's first public safety customers (all in

4293-506: The present location of Jackson Park . The Exposition drew 27.5 million visitors, and is considered the most influential world's fair in history. The University of Chicago , formerly at another location, moved to the same South Side location in 1892. The term "midway" for a fair or carnival referred originally to the Midway Plaisance , a strip of park land that still runs through the University of Chicago campus and connects

4374-613: The problem of sewage contamination was largely resolved when the city completed a major engineering feat. It reversed the flow of the Chicago River so that the water flowed away from Lake Michigan rather than into it. This project began with the construction and improvement of the Illinois and Michigan Canal, and was completed with the Chicago Sanitary and Ship Canal that connects to the Illinois River , which flows into

4455-470: The remainder of Motorola, Inc., which comprised the government and enterprise equipment businesses, would become Motorola Solutions . The split was closed on January 4, 2011. Motorola Mobility was eventually acquired by Google on May 22, 2012. Google later sold Motorola Mobility's cable equipment business to Arris Group in December 2012, and Motorola Mobility itself to Lenovo on October 30, 2014. At

4536-593: The runways. After successfully running for re-election five times, and becoming Chicago's longest-serving mayor, Richard M. Daley declined to run for a seventh term. In 1992, a construction accident near the Kinzie Street Bridge produced a breach connecting the Chicago River to a tunnel below, which was part of an abandoned freight tunnel system extending throughout the downtown Loop district. The tunnels filled with 250 million US gallons (1,000,000 m ) of water, affecting buildings throughout

4617-615: The said place called "Chicagou" which, according to what we were able to learn of it, has taken this name because of the quantity of garlic which grows in the forests in this region. The city has had several nicknames throughout its history, such as the Windy City , Chi-Town, Second City, and City of the Big Shoulders. In the mid-18th century, the area was inhabited by the Potawatomi , an indigenous tribe who had succeeded

4698-494: The shore of Lake Michigan , Chicago was incorporated as a city in 1837 near a portage between the Great Lakes and the Mississippi River watershed . It grew rapidly in the mid-19th century. In 1871, the Great Chicago Fire destroyed several square miles and left more than 100,000 homeless, but Chicago's population continued to grow. Chicago made noted contributions to urban planning and architecture , such as

4779-587: The steel industry in Chicago, but the steel crisis of the 1970s and 1980s reduced this number to just 28,000 in 2015. In 1966, Martin Luther King Jr. and Albert Raby led the Chicago Freedom Movement , which culminated in agreements between Mayor Richard J. Daley and the movement leaders. Two years later, the city hosted the tumultuous 1968 Democratic National Convention , which featured physical confrontations both inside and outside

4860-623: The termination of Motorola's clone contract, the discontinuation of the Motorola StarMax, and the long-favored Apple being demoted to "just another customer" mainly for PowerPC CPUs. Apple (and Jobs) did not want Motorola to limit the PowerPC CPU supply so as retaliation, Apple and IBM expelled Motorola from the AIM alliance and forced Motorola to stop producing any PowerPC CPUs, leaving IBM to make all future PowerPC CPUs. However, Motorola

4941-473: The time of its split, Motorola had three divisions: Motorola's handset division recorded a loss of $ 1.2 billion in the fourth quarter of 2007, while the company as a whole earned $ 100 million during that quarter. It lost several key executives to rivals, and the website TrustedReviews called the company's products repetitive and un-innovative. Motorola laid off 3,500 workers in January 2008, followed by

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5022-448: The unemployed. In the spring of 1937 Republic Steel Works witnessed the Memorial Day massacre of 1937 in the neighborhood of East Side. In 1933, Chicago Mayor Anton Cermak was fatally wounded in Miami, Florida , during a failed assassination attempt on President-elect Franklin D. Roosevelt . In 1933 and 1934, the city celebrated its centennial by hosting the Century of Progress International Exposition World's Fair . The theme of

5103-399: The value of World War II military production contracts. Motorola went public in 1943, and became Motorola, Inc. in 1947. At that time Motorola's main business was producing and selling televisions and radios. The last plant was listed in Quincy, Illinois at 1400 North 30th Street where 1,200 employees made radio assemblies for both homes and automobiles. In 1969, Neil Armstrong spoke

5184-449: The visual arts, literature , film, theater , comedy (especially improvisational comedy ), food , dance, and music (particularly jazz , blues , soul , hip-hop , gospel , and electronic dance music , including house music ). Chicago is home to the Chicago Symphony Orchestra and the Lyric Opera of Chicago , while the Art Institute of Chicago provides an influential visual arts museum and art school . The Chicago area also hosts

5265-514: The waterfront. Landfill extends into portions of the lake providing space for Navy Pier , Northerly Island , the Museum Campus , and large portions of the McCormick Place Convention Center. Most of the city's high-rise commercial and residential buildings are close to the waterfront. An informal name for the entire Chicago metropolitan area is "Chicagoland", which generally means the city and all its suburbs, though different organizations have slightly different definitions. Major sections of

5346-483: The world in 1940, defense electronics, cellular infrastructure equipment, and mobile phone manufacturing. In the same year, the company built its research and development program with Dan Noble , a pioneer in FM radio and semiconductor technologies, who joined the company as director of research. The company produced the hand-held AM SCR-536 radio during World War II , which was vital to Allied communication. Motorola ranked 94th among United States corporations in

5427-413: The world's first skyscraper in 1885, using steel-skeleton construction. The city grew significantly in size and population by incorporating many neighboring townships between 1851 and 1920, with the largest annexation happening in 1889, with five townships joining the city, including the Hyde Park Township , which now comprises most of the South Side of Chicago and the far southeast of Chicago, and

5508-619: The world's first commercial GPRS cellular network to BT Cellnet in the United Kingdom. Motorola also developed the world's first GPRS cell phone. In August 2000, Motorola acquired Printrak International Inc. for $ 160 million. In doing so, Motorola not only acquired computer aided dispatch and related software, but also acquired Automated fingerprint identification system software. With recent acquisitions from that year, Motorola reached its peak employment of 150,000 employees worldwide. Two years later, employment would be at 93,000 due to layoffs and spinoffs. In June 2005, Motorola overtook

5589-431: Was John H. Rauch, M.D. Rauch established a plan for Chicago's park system in 1866. He created Lincoln Park by closing a cemetery filled with shallow graves, and in 1867, in response to an outbreak of cholera he helped establish a new Chicago Board of Health. Ten years later, he became the secretary and then the president of the first Illinois State Board of Health, which carried out most of its activities in Chicago. In

5670-550: Was a pioneer in cellular telephones. Also known as the Personal Communication Sector (PCS) prior to 2004, it pioneered the "mobile phone" with the first truly mobile "brick phone" DynaTAC , "flip phone" with the MicroTAC as well as the "clam phone" with the StarTAC in the mid-1990s. It had staged a resurgence by the mid-2000s with the RAZR , but lost market share in the second half of that decade. Later it focused on smartphones using Google 's open-source Android mobile operating system. The first phone to use Android 2.0 "Eclair" ,

5751-467: Was also increasing the proportion of recycled materials used in its products. For example, the housings for the MOTO W233 Renew and MOTOCUBO A45 Eco mobile phones contained plastic from post-consumer recycled water cooler bottles. According to the company's information, all of Motorola's newly designed chargers met the current Energy Star requirements and exceed the requirements for standby/no-load modes by at least 67%. Chicago, Illinois Chicago

5832-472: Was called the Society for Human Rights . It produced the first American publication for homosexuals, Friendship and Freedom . Police and political pressure caused the organization to disband. The Great Depression brought unprecedented suffering to Chicago, in no small part due to the city's heavy reliance on heavy industry. Notably, industrial areas on the south side and neighborhoods lining both branches of

5913-462: Was founded in 1837, most of the early building was around the mouth of the Chicago River, as can be seen on a map of the city's original 58 blocks. The overall grade of the city's central, built-up areas is relatively consistent with the natural flatness of its overall natural geography, generally exhibiting only slight differentiation otherwise. The average land elevation is 579 ft (176.5 m) above sea level . While measurements vary somewhat,

5994-578: Was held in a purpose-built auditorium called the Wigwam . He defeated Douglas in the general election, and this set the stage for the American Civil War . To accommodate rapid population growth and demand for better sanitation, the city improved its infrastructure. In February 1856, Chicago's Common Council approved Chesbrough 's plan to build the United States' first comprehensive sewerage system. The project raised much of central Chicago to

6075-533: Was incorporated on Saturday, March 4, 1837, and for several decades was the world's fastest-growing city. As the site of the Chicago Portage , the city became an important transportation hub between the eastern and western United States. Chicago's first railway, Galena and Chicago Union Railroad , and the Illinois and Michigan Canal opened in 1848. The canal allowed steamboats and sailing ships on

6156-549: Was later reinstated into the alliance in 1998. In 1998, Motorola was overtaken by Nokia as the world's biggest seller of mobile phone handsets. In 1999, Motorola separated a portion of its semiconductor business—the Semiconductor Components Group (SCG)-- and formed onsemi (then ON Semiconductor ), whose headquarters were located in Phoenix, Arizona . In June 2000, Motorola and Cisco supplied

6237-563: Was made by former Motorola employees. That same year, Motorola sold its television business to the Japan-based Matsushita – the parent company of Panasonic . In 1980, Motorola's next generation 32-bit microprocessor, the MC68000 , led the wave of technologies that spurred the computing revolution in 1984, powering devices from companies such as Apple , Commodore , Atari , Sun , and Hewlett-Packard . In September 1983,

6318-461: Was repealed. The 1920s saw gangsters , including Al Capone , Dion O'Banion , Bugs Moran and Tony Accardo battle law enforcement and each other on the streets of Chicago during the Prohibition era . Chicago was the location of the infamous St. Valentine's Day Massacre in 1929, when Al Capone sent men to gun down members of a rival gang, North Side, led by Bugs Moran. From 1920 to 1921,

6399-477: Was resolved by 1933, and at the same time, federal relief funding began to flow into Chicago. Chicago was also a hotbed of labor activism, with Unemployed Councils contributing heavily in the early depression to create solidarity for the poor and demand relief; these organizations were created by socialist and communist groups. By 1935 the Workers Alliance of America begun organizing the poor, workers,

6480-932: Was split into two independent public companies, Motorola Mobility and Motorola Solutions , on January 4, 2011. The reorganization was structured with Motorola Solutions legally succeeding Motorola, Inc., and Motorola Mobility being spun off. Motorola designed and sold wireless network equipment such as cellular transmission base stations and signal amplifiers. Motorola's home and broadcast network products included set-top boxes , digital video recorders , and network equipment used to enable video broadcasting, computer telephony, and high-definition television . Its business and government customers consisted mainly of wireless voice and broadband systems (used to build private networks), and public safety communications systems like Astro and Dimetra . These businesses, except for set-top boxes and cable modems , became part of Motorola Solutions. Motorola's wireless telephone handset division

6561-464: Was to have many similarities with existing satellite radio services (such as Sirius and XM Radio ) by offering live streams of commercial-free music content. Unlike satellite services, however, iRadio content would be downloaded via a broadband internet connection. However, iRadio was never commercially released. Greg Brown became Motorola's chief executive officer in 2008. In October 2008, Motorola agreed to sell its Biometrics business to Safran ,

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