Cordless telephone

Details Cordless telephone Cordless telephone

1980-08-15

1982-06-01

Popek, Joseph A.

H04Q 704

Patent

active

043329810

ABSTRACT:
A cordless telephone system in which a communications path is established and maintained between a base and a remote unit with the transmission of a binary coded pulse train. Maintenance of the communications path in this manner does not require multiple carrier signals and avoids interference between adjacent remote units. A microphone switch is also provided that prevents accidental turn-on of the remote unit, thus preventing accidental battery depletion.

REFERENCES:
patent: 3586787 (1971-06-01), Vogelman et al.
patent: 4053717 (1977-10-01), Snider

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