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. 27, 2011
Filed:
Oct. 14, 2008
Minoru Hirahara, Kawasaki, JP;
Minoru Hirahara, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An uninterruptible power supply device connects a battery for power-outage backup to the output side of an AC/DC converter. An input monitoring circuit monitors alternating current input of the AC/DC converter and outputs an alternating current input monitor signal E. An output monitoring circuit monitors the direct current output of the AC/DC converter and outputs a direct current output monitor signal E. A reactivation circuit outputs a reset signal to and reactivates protection circuits of the AC/DC converter when the state that alternating current input is provided and direct current output is not provided is determined based on the alternating current input monitor signal Eand the direct current output monitor signal Eupon turn-on of alternating current power.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile