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, 2005
Filed:
Jan. 08, 2003
Yukinari Fukumoto, Saitama, JP;
Hiroshi Usui, Saitama, JP;
Koichi Morita, Saitama, JP;
Sanken Electric Co., Ltd., Saitama, JP;
Abstract
A boost quantity detecting section () detects a boost quantity of an inductor (L). An operational amplifier () of a control section () compares the boost quantity detected by the boost quantity detecting section () with a reference voltage (ES). When a supply voltage supplied from an AC power source () reduces and an output voltage is unchanged, the boost quantity detected by the boost quantity detecting section () increases. When a signal level of a boost quantity detection signal is higher than the reference voltage (ES), a control section () reduces a target level of a switching current. The target level of the switching current decreases, so that the output voltage decreases and energy loss due to boosting reduces.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile