Multiplex communications – Wide area network – Packet switching
Patent
1985-01-02
1987-10-27
Orsino, Jr., Joseph A.
Multiplex communications
Wide area network
Packet switching
370 4, 455606, 455608, H04B 900
Patent
active
047034718
ABSTRACT:
A monolithically integrated circuit is described for multiplexing parallel electrical data into a serial bit stream for transmission by fiber optics to a remote utilization apparatus and for demultiplexing a serial bit stream received from a fiber optics transmission path from a remote source. The integrated circuit uses a separate fiber for transmission and for reception, and in the transmission mode, encodes the data, which is clocked by on chip clocking into a self-clocking three-level code. The integrated circuit utilizes GaAs as the substrate material and is capable of transmitting data at bit rates in excess of 1/2 gHz.
REFERENCES:
patent: 4475212 (1984-10-01), McLean et al.
patent: 4606023 (1986-08-01), Dragoo
Lombaerde-"Fiber-Optic Multiplexer"-Electronics-Mar. 24, 1982, pp. 125-127.
Bar-Chaim et al.-Integrated Optoelectronics-IEEE Spectrum, May 1982, pp. 38-45.
Fowler et al.; IBM Technical Disclosure Bulletin; "Tunable Far-Infrared Photodetector"; vol. 13; Jun. 1970; p. 67.
Bertin; IBM Technical Disclosure Bulletin; "Multi-Input Voltage/Light Sensitive Structure"; vol. 16; No. 1; Jun. 1973; p. 281.
Fitelson Michael M.
Wanuga Stephen
Williams Jack B.
Baker Carl W.
General Electric Company
Jacob Fred
Lang Richard V.
Orsino Jr. Joseph A.
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