Patent
1975-03-05
1976-11-23
Cooper, William C.
179 15BA, 179 15AT, H04J 500
Patent
active
039938700
ABSTRACT:
Each recurring time slot of a time division multiplex communication system is identified by a comparator in a terminator unit, using the unique combination of phase relationships among a plurality of synchronization signals. The comparator is latched during the appropriate time slot by a supervision bus signal. Each of a plurality of terminators sends and receives samples of data input and output to and from an information path consisting of a bundle of discrete lines or buses. Communication between a particular terminator and a particular line of the information path is gated only during a recurring preselected time slot. A particular terminator selects samples sequentially from each successive line of the information path. These samples are then added together to reconstitute the signal. Samples of outgoing signals are similarly distributed over a plurality of lines in sequence.
REFERENCES:
patent: 3728492 (1973-04-01), Cappetti
patent: 3755628 (1973-08-01), Games
patent: 3787820 (1974-01-01), Sherman
patent: 3800290 (1974-03-01), Croxon
patent: 3818143 (1974-06-01), Vrba
patent: 3821480 (1974-06-01), Dundon
patent: 3851105 (1974-11-01), Regan
patent: 3870825 (1975-03-01), Roberts
patent: 3890469 (1975-06-01), Kelly
Cooper William C.
Kemeny E. S.
Multiplex Communications, Inc.
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