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General Instrument (GI) was an American electronics manufacturer based in Horsham, Pennsylvania specializing in semiconductors and cable television equipment. The company was active until 1997, when it split into (General Semiconductor ) (power semiconductors, which was later acquired by Vishay Intertechnology in November 2001), CommScope and NextLevel Systems. NextLevel Systems, the former GI the cable and satellite TV division, took over the General Instrument name in Feb 1998. The new (post-split) GI Corporation was acquired by Motorola in January 2000 for $17 billion and became the new Broadband Communication Sector (BCS) along with an acquisition of Zenith Network Systems a few months later. After being called Connected Home Solutions, it was renamed Home and Networks Mobility in 2007. When Motorola split on January 4, 2011, this division became part of Motorola Mobility. On December 19, 2012, ARRIS announced that it would acquire Motorola Mobility's Home unit (the former General Instrument company) from Google for $2.35 billion in cash and stock. The acquisition was completed on April 17, 2013. Moses Shapiro, father of former Monsanto head Robert B. Shapiro, was Chairman from 1969 to 1975. Frank G. Hickey served as chief executive officer from 1975 to 1990, as did Donald Rumsfeld from 1990 to 1993. ==VideoCipher Division== General Instrument produced receivers for old C and Ku band satellites. They also produced Videocipher units as well as digital equipment. 4DTV was a system for picking up free and encrypted analog and digital satellite subscription channels. It also included an interactive guide. The product line included: * 2700 Series: on screen displays, C/Ku switching, digital sound, satellite memory increases with the model number. * 2600 Series: similar to 2400 except with on-screen displays. * 2400/2500 Series: no on-screen displays, everything is controlled from the remote and front panel. Two alphanumeric displays indicate the current satellite and transponder. A GI 2000PS is needed to use a dish motor. Digital Stereo Audio is available on VideoCipher channels, C/Ku compatible. The 2400 was re-branded in the early 1990s by Rural Cable and sold with a fixed C band dish pointed at Galaxy 5. * 350 Regular: simple receiver with a separate dish mover (some will have a stationary G5 satellite). * 350i Super: extensive on-screen displays, 50 satellites (C or Ku with external switch), digital sound. * 450i/550i/650i: extensive on-screen displays, C/Ku pre-programmed satellites, digital sound, extras. * 4DTV: interactive program guide, two favorite lists, C/Ku band, many other features. * InfoCipher 1500P: an early satmodem used with one-way data services, such as X *Press X *Change. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「General Instrument」の詳細全文を読む スポンサード リンク
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