Electronic duplex communication system

Details Electronic duplex communication system Electronic duplex communication system

1992-12-07

1994-06-07

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

455 351, H04L 516

Patent

active

053196350

ABSTRACT:
A communication unit (10) transmits a first signal (12) that has a plurality of holes (44) therein during the occurrence of which another communication unit may interrupt. A repeater (14) receives the first signal and transmits a second signal (16) comprising the information in the first signal, and a plurality of digital coded squelch words synchronized with the holes to indicate the location of at least one of the holes in the first signal (i.e., the time at which at least one of the holes will occur). In one embodiment, each hole occurs after each pair of coded squelch words, and accordingly the pairs of coded squelch words are marked to indicate the times of occurrence of holes in the first signal.

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patent: 4501017 (1985-02-01), Higgins
patent: 4672601 (1987-06-01), Ablay
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patent: 4776037 (1988-10-01), Rozanski, Jr.
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patent: 5060296 (1991-10-01), Grube et al.
patent: 5091906 (1992-02-01), Reed et al.
patent: 5095540 (1992-03-01), Reed

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