Multiplex communications – Wide area network – Packet switching
Patent
1985-05-30
1987-11-10
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
455116, 455245, H04J 100, H01Q 1112
Patent
active
047062436
ABSTRACT:
A single-channel-per-carrier multiple-access communication system including a voice-activated transmission power controller operable in the absence of voice signal input to attenuate the transmission power or modulator output signal to a predetermined level under the control of voice detector output, facilitating carrier sync recovery at the receive end and simplifying design and structure of the demodulator.
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patent: 4373206 (1983-02-01), Suzuki et al.
patent: 4392245 (1983-07-01), Mitama
patent: 4555782 (1985-11-01), Alaria et al.
T. Takahashi et al: "Transmission Subsystem for Spade Terminal", 2nd International Conference on Digital Satellite Communication, Paris (France), Nov. 28-30, 1972, pp. 127-143.
John G. Puente et al: "Multiple -Access Techniques for Commercial Satellites", Proceedings of the IEEE, vol. 59, No. 2, pp. 218-229, Feb. 1971.
C. J. Wolejsza, Jr. et al: "PSK Modems for Satellite Communications", INTELSAT/IEE International Conference on Digital Satellite Communication, pp. 127-143, Nov. 25-27, 1969.
Kuntz Wrtis
NEC Corporation
Olms Douglas W.
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