Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1978-09-12
1981-06-02
Bookbinder, Marc E.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455183, 455192, 455260, H04B 126, H03J 702
Patent
active
042715300
ABSTRACT:
In a receiver having a frequency synthesizing circuit, the deviation of the tuning of the intermediate-frequency section relative to a standard tuning is periodically measured by means of a measuring circuit, which circuit then causes a change in the frequency of a local oscillator for correcting said deviation.
REFERENCES:
patent: 2856519 (1958-10-01), Gray et al.
patent: 4038689 (1977-07-01), Rzeszewski et al.
Bookbinder Marc E.
Briody Thomas A.
Goodman Edward W.
Streeter William J.
U.S. Philips Corporation
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