Channel skip memory system for radio receiver

Details Channel skip memory system for radio receiver Channel skip memory system for radio receiver

1976-11-15

1978-09-12

Griffin, Robert L.

325465, H04B 132

Patent

active

041141040

ABSTRACT:
A channel skip memory system for radio receiver having a single channel skipping switch to inhibit the radio receiver from receiving any of selected channels of a plurality of channels of predetermined frequencies while scanning repetitively those channels selected to be received. The channel skipping switch is utilized to skip, inhibit, bypass, look around, etc., any channel of a plurality of channels a listener does not wish to receive when the channel skip memory system connected between the squelch control and the oscillator of the radio receiver has stopped on a channel while scanning in the scan mode or has been stepped to a particular channel by the channel stepping switch in the manual mode by actuating the switch. If the channel skipping switch is actuated a second time when utilizing resettable memory elements on an inhibited channel in the manual mode, the channel is enabled. The channel stepping switch is not functional during the scanning mode. A received channel may be skipped in the scanning mode on the next scanning cycle by actuating the channel skipping switch while that channel is receiving a signal. In the manual mode of operation, each channel is skipped by actuating the channel skipping switch setting a memory for each channel to be skipped. When going from the manual mode to scan mode, the memory having been set determines those channels to be received and those channels to be skipped.

REFERENCES:
patent: 3665318 (1972-05-01), Hoffman et al.
patent: 3714585 (1973-01-01), Koch
patent: 3821651 (1974-06-01), Fathauer et al.
patent: 3961267 (1976-06-01), Weissmueller et al.
patent: 3962644 (1976-06-01), Baker
patent: 3996522 (1976-12-01), Koch
patent: 3999131 (1976-12-01), Fukuda

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