Information transmission system with modems coupled to a common communication medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 14, 1986
Issued Date -
N/A
app pub date -
Jan 2, 1986
filing date -
Dec 22, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 headed 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.
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