Codex Corporation was a high-tech company, based in Newton, Massachusetts. High tech is Technology that is at the cutting edge —the most advanced technology currently available The City of Newton in Middlesex County, Massachusetts, is an important residential Suburb of Boston, which abuts it on the east The company was founded in July of 1962 by James M. Cryer Jr. and Arthur Kohlenberg, with the support of Robert Gallager, who helped them as technology consultant [1]. Robert G Gallager (born May 29, 1931 in Philadelphia PA) is an American electrical engineer known for his work on Information theory
The company made key contributions to the evolution of modems. Modem (from mo dulator- dem odulator is a device that modulates an analog carrier signal to encode Digital information In the late 1960s, Codex was the first company to mass-market high-speed, 9600 Baud, modems that were based on Quadrature Amplitude Modulation (QAM), and was also the first to introduce Large Scale Integrated Circuits (LSI) in modems [2]. In Telecommunications and Electronics, baud (ˈbɔːd unit symbol "Bd" is synonymous to symbols/s or pulses/s. Microchipsjpg|right|thumb|200px|Microchips ( EPROM memory with a transparent window showing the integrated circuit inside
Codex Corporation went public in 1968, and in the early 70s it held about 20% of the high-speed modem market. After losing much of their profitable military business in the mid 70s, the company was in 1977 acquired by Motorola. Motorola Inc ( is an American, multinational Fortune 100, Telecommunications company based in Schaumburg Illinois.
In 2001, Motorola sold the remains of Codex Corporation to Platinum Equity and renamed it Vanguard Managed Solutions[3]. Platinum Equity is an American Information technology and Private equity firm
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