Receiver selectively receiving, demodulating and outputting a tv broadcast signal and an FM radio broadcast signal
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 14, 2003
Grant Date -
Mar 14, 2002
app pub date -
Dec 19, 2000
filing date -
Jul 26, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A receiver includes a tuner that converts an FM radio broadcast signal into an intermediate frequency signal that has the same frequency as a sound intermediate frequency subcarrier signal when receiving the television broadcast signal and outputs the intermediate frequency signal when receiving the FM radio broadcast signal, a SAW filter passing only an intermediate frequency band of the output of the tuner, a video detector detecting a video signal containing a sound subcarrier signal when receiving the television broadcast signal and detecting a sound subcarrier signal when receiving the FM radio broadcast signal, a VIFAGC circuit making the video signal have a constant amplitude, and an AGC circuit making a sound subcarrier signal output from a band pass filter have a constant amplitude.
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