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.

Date of Patent:
Jul. 23, 2013

Filed:

Oct. 18, 2010
Applicants:

Shian-sung Shiu, Taipei County, TW;

Chen-hsung Wang, Taipei County, TW;

Chung-che Yu, Taipei County, TW;

Inventors:

Shian-Sung Shiu, Taipei County, TW;

Chen-Hsung Wang, Taipei County, TW;

Chung-Che Yu, Taipei County, TW;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01); H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power converting circuit having the function of circuit detecting is provided. The power converting circuit has a transistor, a controller and a detecting circuit. The transistor receives an input voltage. The controller is coupled to a control end of the transistor to control the conducting state of the transistor so as to stabilize the output of the power converting circuit. The detecting circuit detects at least one of the control end and the low voltage end of the transistor, and generates a state signal when the detected voltage of any one of the control end and the low voltage end does not fall within a corresponding predetermined voltage range. The state signal is utilized for stopping a power circuit which provides the input voltage providing the input voltage. In addition, a light emitting diode driving circuit having the function of circuit detecting is also provided.


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