Digital sound broadcasting receiver and automatic phase controlling method therefor
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United States of America Patent
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-
Feb 2, 1999
Grant Date -
N/A
app pub date -
Jan 17, 1997
filing date -
Jan 30, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A digital sound broadcasting receiver and method receives a radio wave from a digital sound broadcasting station, demodulates the radio wave into baseband signals at a tuner, subjects the signals to demodulation, performs error detection and error correction at signal processors to obtain digital data, and inputs the digital data into an audio circuit to obtain audio or data output. A CRC error rate detector 13 for a fast information channel (FIC) for APC pseudo lock releasing action on demodulating the signals is arranged to determine, based on the possibility of an error rate of an error-detecting code (CRC) of the FIC, whether an APC pseudo lock state occurs, and to control releasing action for the APC pseudo lock state.
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