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:
Jun. 05, 2012
Filed:
May. 27, 2008
Applicants:
Gordian Prescher, Colonge, DE;
Thomas Frach, Aachen, DE;
Inventors:
Gordian Prescher, Colonge, DE;
Thomas Frach, Aachen, DE;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A photodetector array () includes a plurality of photodetector cells () such as avalanche photodiodes () and readout circuits (). An array self-tester () tests a dark count or other performance characteristic of the cells (). The test is performed in connection with the manufacture of the array () or following the installation of the array () in a detection system ().