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:
Feb. 11, 2003
Filed:
Jun. 30, 2000
Takayuki Yoshimoto, Iizuka, JP;
Yasunobu Fushihara, Iizuka, JP;
Seiji Kawano, Iizuka, JP;
Takayuki Katayama, Iizuka, JP;
Mitsumi Electric Co., Ltd., Tokyo, JP;
Abstract
A power supply unit includes a transformer converting an input voltage into a predetermined output voltage, a transistor controlling a current flowing through a primary winding of the transformer, an output voltage detecting circuit detecting an output voltage of the power supply unit and outputting a detection signal corresponding to-a level of the output voltage, a control circuit controlling the output voltage by switching on and off the transistor in accordance with the detection signal, and an operation control circuit controlling an operation of the control circuit in accordance with the output voltage
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile