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. 17, 2007
Filed:
Nov. 09, 2004
Junji Takeshita, Atsugi, JP;
Masayuki Suzuki, Atsugi, JP;
Keisuke Yamazato, Atsugi, JP;
Tomomitsu Ohara, Atsugi, JP;
Tomiyuki Nagai, Atsugi, JP;
Naoshi Tokuda, Atsugi, JP;
Junji Takeshita, Atsugi, JP;
Masayuki Suzuki, Atsugi, JP;
Keisuke Yamazato, Atsugi, JP;
Tomomitsu Ohara, Atsugi, JP;
Tomiyuki Nagai, Atsugi, JP;
Naoshi Tokuda, Atsugi, JP;
Mitsumi Electric Co., Ltd., Tokyo, JP;
Abstract
A power supply circuit is disclosed that includes a coil with first and second ends having supply voltage applied to the first end, a first switching element connected between the second end of the coil and ground, a second switching or diode element supplying current to a load after rectifying the current in accordance with voltage generated at the connection of the coil and the first switching element, a driver circuit switching at least the first switching element, a third switching element connected in series to the load, and a power supply stop circuit switching off the first element so as to stop supplying power to the load and switching off the third element so as to stop supplying the current to the load in accordance with an external signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile