Cordless telephone

Details Cordless telephone Cordless telephone

1984-06-25

1986-04-29

Brady, W. J.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455 89, 455343, H04Q 704

Patent

active

045859035

ABSTRACT:
A cordless telephone system which provides improved performance through a number of moved circuits including the use of a single oscillator in a remote unit for providing both a standard for the transmitted signal and a local oscillator signal. The remote unit is layed out to minimize interference between the transmitted and received signal and includes a vertically disposed transmitting antenna and horizontally disposed receiving antenna.

REFERENCES:
patent: 3040271 (1962-06-01), Murphy et al.
patent: 3934206 (1976-01-01), Holecek
patent: 3983484 (1976-09-01), Hodama
patent: 4053717 (1977-10-01), Snider
patent: 4186344 (1980-01-01), Higuchi et al.
patent: 4332981 (1982-06-01), Palombi et al.
patent: 4373205 (1983-02-01), Mizota

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