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:
Sep. 15, 2009
Filed:
Jun. 14, 2005
Applicant:
Wing Ling Cheng, Taipo, HK;
Inventor:
Wing Ling Cheng, Taipo, HK;
Assignee:
Astec International Limited, Kwun Tong, Kowloon, HK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/10 (2006.01); H02J 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power supply having a control circuit for controlling an output of the power supply, and a voltage monitor circuit for detecting a voltage at a first location and providing the detected voltage to a second location in the control circuit independent of any difference in ground voltage between the first location and the second location. The control circuit is configured to control the output of the power supply in response to the detected voltage provided by the voltage monitor circuit.