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:
Apr. 20, 2010
Filed:
Dec. 19, 2007
Michiaki Yama, Kyoto, JP;
Takahiro Ota, Kyoto, JP;
Eiji Nakagawa, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
A power supply apparatus connected via a bus line to another power supply apparatus includes a voltage generation circuit generating a voltage, an abnormality detection circuit detecting an abnormality of the power supply apparatus including the abnormality detection circuit and outputting an abnormality detection signal, an abnormality control circuit, and an interface circuit receiving the abnormality detection signal from the abnormality detection circuit to output the signal via the bus line to another power supply apparatus, and receiving the abnormality detection signal via the bus line from another power supply apparatus to output the signal, to the abnormality control circuit and the abnormality control circuit controlling the voltage generation circuit to stop generation of the voltage in a case where receiving the abnormality detection signal from the abnormality detection circuit or in a case where receiving the abnormality detection signal from the interface circuit.