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:
Mar. 19, 2013
Filed:
Oct. 07, 2010
Applicants:
Cho Sing Chan, Hong Kong, CN;
Ming Tai Ho, Hong Kong, CN;
Inventors:
Cho Sing Chan, Hong Kong, CN;
Ming Tai Ho, Hong Kong, CN;
Assignee:
Century Concept Ltd., Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electronic circuit for driving an LED device, including an LED, a driver for supply current to the LED array, and one or two current detection modules connected to one or both ends of the LED array for detecting current level and sending signals about the current level detected to the driver, which will break the circuit immediately upon detecting a fault condition on either side of the LED array based on the feedback from one or both current detection modules.