1981-07-13
1983-08-23
Popek, Joseph A.
179 81A, H04M 158
Patent
active
044005890
ABSTRACT:
A solid state network for subscriber station is amenable to hybridization and mass production, minimizing costly, heavy components, facilitating transmission and reception of communication signals almost independently of variation in line impedance, and controlling a sidetone level with in-phase signals, through the use of as few as one transmitting transistor that is in series with the transmitter and also in series with the receiver, and as few as one receiving transistor.
REFERENCES:
patent: 3823272 (1974-07-01), Tabalba
patent: 3955053 (1976-05-01), Picard
patent: 4071713 (1978-01-01), Sencer
Synek Jan
Tentler Michael
Manu-Tronics, Inc.
Popek Joseph A.
United Networks Inc.
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