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:
Mar. 26, 2013
Filed:
Jun. 28, 2010
Akiteru Chiba, Niiza, JP;
Akiteru Chiba, Niiza, JP;
Sanken Electric Co., Ltd., Niiza-shi, JP;
Abstract
A power factor correction circuit includes reactors Land Lto accumulate energy of an AC power source and discharge the accumulated energy, a hybrid bridge switch having two diodes Dand Dand two switching elements Qand Qto switch the energy accumulation and energy discharge of the reactors from one to another, a controllerto conduct ON-control of the two switching elements according to currents passing through the reactors and OFF-control of the two switching elements according to currents passing through the two switching elements, and a mode changerto change an operation mode of the power factor correction circuit between a discontinuous mode and a critical mode according to a voltage of the AC power source.