Spontaneous channel continuity scanning radio

Details Spontaneous channel continuity scanning radio Spontaneous channel continuity scanning radio

1982-03-10

1984-11-20

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455186, 455 77, H03J 718

Patent

active

044843577

ABSTRACT:
An improved channel scanning radio which automatically monitors a channel being monitored by the scanning circuitry at the time of the microphone is taken off-hook by treating that channel as a priority channel for a short period after the microphone is returned to the hang-up position. This permits the operator to automatically monitor a channel of interest without stopping the scan function.

REFERENCES:
patent: 3497813 (1970-02-01), Gallagher
patent: 3614621 (1971-10-01), Chapman
patent: 3617895 (1971-11-01), Tomsa
patent: 4100497 (1978-07-01), Fathaver et al.
patent: 4123717 (1978-10-01), Yiu et al.
patent: 4127821 (1978-11-01), Okada et al.

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