H - Electricity – 04 – L
Patent
H - Electricity
04
L
325/16, 340/84
H04L 27/10 (2006.01) H04B 3/10 (2006.01) H04L 12/28 (2006.01)
Patent
CA 1199384
Abstract of the Disclosure A plurality of information processors are coupled by respective modems to a communication medium at points thereof. Transmission and reception of information signals among the modems are effected through a headend located at a predetermined point on the communication medium. A pilot signal generator is provided which sends out a pilot signal having a predetermined reference level through the headend to the communication medium. Each modem is arranged to properly adjust the gain of its transmitting amplifier according to a reception level of the pilot signal for an improvement of signal transmission quality and a reliable detection of a signal collision.
443932
Haruyama Hideaki
Hirose Tsuguhiro
Kobayashi Hiroshi
Ridout & Maybee Llp
Tokyo Shibaura Denki Kabushiki Kaisha
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