Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1981-01-21
1983-03-29
Bookbinder, Marc E.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455165, H04B 126, H03J 728
Patent
active
043786049
ABSTRACT:
In a receiver having a search tuning circuit with which a group of data (39 or 41) which corresponds to certain transmitters can be searched by means of a group selection switch (43, 45) a field strength behaviour-depending starting delay circuit (61) is used to delay the start of a search action relative to both decreases in field strength and the frequency of the decreases to prevent a too frequent start of a search action (FIG. 1).
REFERENCES:
patent: 4011515 (1977-03-01), Hanson
patent: 4174501 (1979-11-01), Chastagnier et al.
patent: 4285066 (1981-08-01), Van Devrsen
Bookbinder Marc E.
Brio dy Thomas A.
Goodman Edward W.
Streeter William J.
U.S. Philips Corporation
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