Communication systems

Details Communication systems Communication systems

1976-08-27

1978-04-25

Pitts, Harold

Communications: electrical

Digital comparator systems

340163, 340170, 340147LP, H04Q 1100

Patent

active

040865690

ABSTRACT:
A communication system for communicating between a central control unit and a plurality of controlled units, all interconnected by a single communication channel, wherein communication is time multiplexed with control words being transmitted in each direction during each time interval allocated to each separate controlled unit. The control words are transmitted during half-cycles of a periodic clock signal of one polarity, while data from the controlled units may be transmitted to the central control unit only during half-cycles of the periodic signal of the opposite polarity.

REFERENCES:
patent: 2378326 (1945-06-01), Rees
patent: 3702460 (1972-11-01), Blose
patent: 3786421 (1974-01-01), Wostl
patent: 3824544 (1974-07-01), Simjian
patent: 3897887 (1975-08-01), Goldberg

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