Speaker system for mobile device

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

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Details

C381S334000

Reexamination Certificate

active

07668571

ABSTRACT:
A speaker system for a mobile device includes first and second audio processing units and first and second speakers for reproducing audio signals and outputting the reproduced audio signals. The speaker system also includes a controller configured for transferring the audio signal to the second speaker if a battery is connected to the mobile device. The first speaker is embedded in a main body of the mobile device and the second speaker is embedded in the battery of the mobile device.

REFERENCES:
patent: 5604663 (1997-02-01), Shin et al.
patent: 6233343 (2001-05-01), Muranami et al.
patent: 6798654 (2004-09-01), Chang et al.
patent: 6813528 (2004-11-01), Yang
patent: 7433182 (2008-10-01), Fan
patent: 2004/0028476 (2004-02-01), Payne et al.
patent: 2004/0196985 (2004-10-01), Kokubo
patent: 2005/0192687 (2005-09-01), Lee et al.
patent: 2007/0079027 (2007-04-01), Marriott et al.
patent: 1881393 (2008-01-01), None
patent: 2005061988 (2005-06-01), None
patent: 2005118979 (2005-12-01), None
patent: WO 0129910 (2001-04-01), None
KR 2005061988 A (English Translation), Jun. 2005, Park S C.
KR 2005118979 A (English Translation) Dec. 2005, Lee J S.

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