Digital sound broadcasting receiver and automatic phase controll

Details Digital sound broadcasting receiver and automatic phase controll Digital sound broadcasting receiver and automatic phase controll

1997-01-17

1999-02-02

Tu, Trinh L.

Excavating

375269, G06F 1100, H03C 500

Patent

active

058675035

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.

REFERENCES:
patent: 4423390 (1983-12-01), Waters
patent: 4713630 (1987-12-01), Matthews
patent: 4788696 (1988-11-01), Sakane et al.
patent: 5228025 (1993-07-01), Le Floch et al.
patent: 5309443 (1994-05-01), Schorman
patent: 5455536 (1995-10-01), Kono et al.
patent: 5490176 (1996-02-01), Peltier

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