Channel selecting device

Details Channel selecting device Channel selecting device

1977-01-07

1978-08-29

Safourek, Benedict V.

325184, 325455, H04B 140

Patent

active

041106903

ABSTRACT:
A channel selecting device having a channel setting generator for generating channel-number increasing or decreasing signals for channel selection, a logic system provided with a channel-code generating circuit for changing the channel code according to the number of channels and a digital-number generating circuit and a time constant circuit for suspending the operation of a clock-pulse generating section for a scanner during a predetermined time, the logic system performing the one-by-one shift or continuous shift of the channel number according to the duration of signals from the channel setting means, an indicator for indicating the channel number, and a jamming wave inhibiting means for suspending the operation of a transmission circuit when given signals from the channel setting means.

REFERENCES:
patent: 3835384 (1974-09-01), Liff
patent: 4035727 (1977-07-01), Ishii
Translation of German Offenlegungsschrift 2332022, 9 pp.

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