Mobile television channel switching system and method

Details Mobile television channel switching system and method Mobile television channel switching system and method

2005-08-25

2010-02-09

Woo, Stella L (Department: 2614)

Television

Two-way video and voice communication

Over wireless communication

C348S731000, C348S387100

Reexamination Certificate

active

07659919

ABSTRACT:
Presented is a method of displaying a newly requested channel in a mobile TV device prior to retuning the mobile TV device to the newly selected channel. The mobile TV device demodulator and tuner are cycled on for a short period of time at regular intervals to conserve battery power. Data is buffered from multiple channels in a buffer within the mobile TV device while the demodulator is cycled on. The mobile TV device displays data from one of the buffered channels upon a request to switch to the channel prior to retuning the mobile TV device to the newly selected channel. The mobile TV device is then retuned to the newly selected channel at the next instance the demodulator and tuner are cycled on.

REFERENCES:
patent: 2005/0174483 (2005-08-01), Ruckriem
Sony Ericsson Mobile Communications AB, International Preliminary Report on Patentability, corresponding to International Patent Application No. PCT/US2006/007072, dated Mar. 6, 2008.
Sony Ericsson Mobile Communications AB, International Patent Application Ser. No. PCT/US2006/007072, International Search Report, Jul. 24, 2006.
Sony Ericsson Mobile Communications AB, International Patent Application Ser. No. PCT/US2006/007072, Written Opinion, Jul. 24, 2006.

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