Broadcast station synchronization method and mobile terminal

Details Broadcast station synchronization method and mobile terminal Broadcast station synchronization method and mobile terminal

2005-10-28

2009-11-17

Anderson, Matthew D (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S503000, C370S509000, C370S902000, C381S107000, C381S119000, C700S094000

Reexamination Certificate

active

07620410

ABSTRACT:
A broadcast station synchronization method in a mobile terminal operating with a system clock different from the reference clock of a broadcast station, wherein a clock synchronized with the broadcast station is reproduced according to an internal reference clock corrected by the reference time information from the broadcast station, a difference between an elapsed time at a predetermined time interval and the audio reproduction time is detected, the audio reproduction time is adjusted to cancel the difference, and the PCM transmission for reproducing the audio uses a signal indicating the PCM data transmission completion as a trigger for latching the internal reference clock count unit reproducing the clock synchronized with the broadcast station so as to acquire the clock time synchronized with the broadcast station of the same period as the audio reproduction time per a predetermined period, thereby performing synchronization with the broadcast station.

REFERENCES:
patent: 4268722 (1981-05-01), Little et al.
patent: 2001/0046241 (2001-11-01), Shimosakoda
patent: 2003/0043814 (2003-03-01), Lee
patent: 2004-23136 (2004-01-01), None
patent: 2004/093389 (2004-10-01), None

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