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:
May. 22, 2007
Filed:
Mar. 18, 2005
Applicants:
Chee Keong Teo, Singapore, SG;
John Julius Asuncion, Singapore, SG;
Kok Soon Yeo, Singapore, SG;
Lian Chun Xu, Singapore, SG;
Wai Keat Tal, Singapore, SG;
Inventors:
Chee Keong Teo, Singapore, SG;
John Julius Asuncion, Singapore, SG;
Kok Soon Yeo, Singapore, SG;
Lian Chun Xu, Singapore, SG;
Wai Keat Tal, Singapore, SG;
Assignee:
Avago Technologies ECBU IP (Singapore) Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 1/44 (2006.01); H01L 31/00 (2006.01); H03K 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit has a voltage source, a node, a photodetector electrically coupled between the voltage source and the node, a resistor electrically coupled between the node and ground, and a voltage clamp electrically connected to the node, the voltage clamp configured to maintain a reverse bias of the photodetector above a predetermined level.