General Instrument Corp. - Specimen Stocks and Bonds

Specimen Stock printed by Security-Columbian United States Banknote Corporation American Bank Note Company.

General Instrument (GI) was an American electronics manufacturer based in Horsham, Pennsylvania, specializing in semiconductors and cable television equipment. They formed in New York City in 1923 as an electronics manufacturer. During the 1950s, the company began a series of acquisitions under the direction of Moses Shapiro. Among the more notable purchases was General Transistor in 1960, which led to GI becoming a major producer of transistors, and later, integrated circuits (ICs). By the late 1960s, the company was mostly depending on sales into the television industry, which was further bolstered by the 1967 purchase of Jerrold Electronics. The company changed markets continually. Through the 1970s they focused mostly on the off-track betting market through their purchase of American Totalisator, but this market faced significant competition in the late 1970s. At this time, GI became well known for their IC's including the CP1600 used in the Mattel Intellivision game console, the AY-3-8910 series of sound chips that were used in a huge variety of designs, and the PIC microcontrollers which remain in production as of 2022. They also became increasingly active in the cable television field, emerging as the primary supplier in this market by the late 1980s. They sold off their IC division to form Microchip Technology in 1987, leaving them almost entirely dependant on the television market. GI became a major leader in the development of high definition television. As this market began to saturate, the company split into three parts in 1997; CommScope took the cable infrastructure products, NextLevel the consumer television side, and General Semiconductor the power electronics products. NextLevel took over the GI name the next year. This new GI was purchased by Motorola in 2000, which was in turn purchased by Google who spun out the television side to ARRIS. ARRIS was then purchased by CommScope in 2018, once again bringing together all of GI's original television divisions. General Semiconductor continues to operate separately.

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