Program identifier signal receiver

Details Program identifier signal receiver Program identifier signal receiver

1985-05-29

1987-08-11

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455 70, 455228, 455355, H04B 116

Patent

active

046867074

ABSTRACT:
A multi-bit program identification signal is transmitted in the audible band with a program signal, and a receiver detecting the program identification signal automatically sets a predetermined minimum volume for reproduction of the program information. The volume control circuitry at the receiver can be made responsive to any one of a plurality of different program identification signals.

REFERENCES:
patent: 2065826 (1936-12-01), Roosenstein et al.
patent: 2617923 (1952-11-01), Rekart
patent: 2630525 (1953-03-01), Tomberlin et al.
patent: 3444469 (1969-05-01), Miyagi
patent: 3639839 (1972-02-01), Fukata
patent: 3684965 (1972-08-01), Gautney et al.
patent: 3845391 (1974-10-01), Crosby
patent: 3906348 (1975-09-01), Willmott

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