Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1982-12-16
1984-09-11
Rubinson, G. Z.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
179 2E, 455 84, H04Q 704
Patent
active
044711670
ABSTRACT:
A wireless extension telephone system including a base unit connected to a telephone line and a remote extension unit. Both base and remote units each include a radio transmitter and a radio receiver. Also included in the base unit is bimodal tuned circuit operable as a filter and as an oscillator.
REFERENCES:
patent: 4039760 (1977-08-01), Gregory et al.
patent: 4213009 (1980-07-01), Suzuki
Black Robert J.
Brady W. J.
GTE Automatic Electric Inc.
Rubinson G. Z.
Xiarhos Peter
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