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:
Jan. 18, 2011
Filed:
Nov. 20, 2008
Yen-hui Wang, Hsinchu, TW;
Chi-hao Wu, Taipei, TW;
Chia-chieh Hung, Taoyuan County, TW;
Chin-yen Lin, Hsinchu County, TW;
Yen-Hui Wang, Hsinchu, TW;
Chi-Hao Wu, Taipei, TW;
Chia-Chieh Hung, Taoyuan County, TW;
Chin-Yen Lin, Hsinchu County, TW;
Grenergy Opto, Inc., Hsin-Chu, TW;
Abstract
An overcurrent protection device for a power supply device includes a receiving end for receiving a current sensing signal, a compensating current unit coupled to the receiving end for compensating the current sensing signal in order to generate a current sense compensation signal, a first reference voltage generator for generating a first reference voltage, a comparator coupled between the compensating current unit and the first reference voltage generator for comparing the current sense compensation signal with the first reference voltage in order to generate a comparison result, a control unit coupled to the comparator for controlling a power switch of the power supply device according to the comparison result.