Cordless telephone system

Details Cordless telephone system Cordless telephone system

1974-03-11

1977-08-02

Cooper, William C.

325 55, H04Q 704

Patent

active

040397602

ABSTRACT:
A duplex voice communication link including controls therefor as provided between a Base Station connected directly to a telephone line of a telephone exchange and a Mobile Unit consisting of a small, compact cordless telephone instrument containing transmitter, receiver and control circuits powered by a rechargeable battery pack. A single logic tone is transmitted and detected for all logical control for ring signals, on-hook and off-hook signals and dial pulses.

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