The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 2007
Filed:
Oct. 27, 2003
Applicant:
Satoshi Endo, Katano, JP;
Inventor:
Satoshi Endo, Katano, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/00 (2006.01); G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a backup systemora controllercontrols operation of a multi-source audio apparatus MMSA. An operation status holderholds operation status information Dbk of the multi-source audio apparatus MMSA. A non-volatile memorystores the operation status information Dbk. A capacitoras a power storage means stores part Pt of operating power. An operating power detector(Sps) detects whether or not the operating power is being supplied. An operation status information write deviceselectively writes the operation status information Dbk into the non-volatile memorydepending on whether or not the operating power is being supplied.