Backup system for multi-source audio apparatus

Electrical computers and digital processing systems: support – Computer power control

Reexamination Certificate

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Details

C713S323000, C713S324000, C713S340000

Reexamination Certificate

active

10693501

ABSTRACT:
In a backup system310, 340, 350,or360,a controller300controls operation of a multi-source audio apparatus MMSA. An operation status holder310holds operation status information Dbk of the multi-source audio apparatus MMSA. A non-volatile memory340stores the operation status information Dbk. A capacitor360as a power storage means stores part Pt of operating power. An operating power detector350(Sps) detects whether or not the operating power is being supplied. An operation status information write device310selectively writes the operation status information Dbk into the non-volatile memory34depending on whether or not the operating power is being supplied.

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patent: 6452491 (2002-09-01), Maier et al.
patent: 6993316 (2006-01-01), Marko et al.
patent: 2002/0027508 (2002-03-01), Baba
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Patent Abstract of Japan JP-A-10222431, Aug. 21, 1998.

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