C-COR (former

NASDAQ The Nasdaq Stock Market () (National Association of Securities Dealers Automated Quotations Stock Market) is an American stock exchange based in New York City. It is the most active stock trading venue in the US by volume, and ranked second ...

symbol CCBL) was an American communication services company incorporated in 1953 and based in

State College, Pennsylvania State College is a home rule municipality in Centre County in the Commonwealth of Pennsylvania. It is a college town, dominated economically, culturally and demographically by the presence of the University Park campus of the Pennsylvania ...

until late 2007, when it was sold to

ARRIS In architecture, an arris is the sharp edge formed by the intersection of two surfaces, such as the corner of a masonry unit; the edge of a timber in timber framing; the junction between two planes of plaster or any intersection of divergent ...

. The corporation was best known for creating video transport systems. In 1965, C-COR introduced the use of

integrated circuits An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon. Large numbers of tiny ...

amplifiers An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It may increase the power significantly, or its main effect may be to boost the ...

used on

utility pole A utility pole is a column or post typically made out of wood used to support overhead power lines and various other public utilities, such as electrical cable, fiber optic cable, and related equipment such as transformers and street lights. It ...

s and in 1969 was the first to use heat fins on amplifiers. In 1991, C-COR was the first to introduce a 1 GHz

amplifier An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It may increase the power significantly, or its main effect may be to boost th ...

. From the 1990s until its sale, C-COR's business focus moved from hardware amplifiers to communications service and

software Software is a set of computer programs and associated documentation and data. This is in contrast to hardware, from which the system is built and which actually performs the work. At the lowest programming level, executable code consists ...

such as

video on demand Video on demand (VOD) is a media distribution system that allows users to access videos without a traditional video playback device and the constraints of a typical static broadcasting schedule. In the 20th century, broadcasting in the form of o ...

and

cable television Cable television is a system of delivering television programming to consumers via radio frequency (RF) signals transmitted through coaxial cables, or in more recent systems, light pulses through fibre-optic cables. This contrasts with bro ...

advertising insertion. By 2005, C-COR purchased five software companies:

solution provider

nCUBE nCUBE was a series of parallel computing computers from the company of the same name. Early generations of the hardware used a custom microprocessor. With its final generations of servers, nCUBE no longer designed custom microprocessors for machin ...

in October 2004, Optinel Systems, Stargus, Alopa Networks, and Lantern Communications. In 2006, as part of a 225 person

layoff A layoff or downsizing is the temporary suspension or permanent termination of employment of an employee or, more commonly, a group of employees (collective layoff) for business reasons, such as personnel management or downsizing (reducing th ...

, C-COR closed the

Sunnyvale, California Sunnyvale () is a city located in the Santa Clara Valley in northwest Santa Clara County in the U.S. state of California. Sunnyvale lies along the historic El Camino Real and Highway 101 and is bordered by portions of San Jose to the n ...

home of acquired Alopa Networks and Lantern Communications.C-COR Gets Gored
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References

{{reflist Defunct telecommunications companies of the United States Defunct companies based in Pennsylvania Telecommunications companies established in 1953 American companies established in 1953 Companies formerly listed on the Nasdaq 2007 mergers and acquisitions