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:
Jul. 19, 2005
Filed:
Apr. 12, 2004
Cyrus Bamji, Fremont, CA (US);
Hakan Yalcin, Fremont, CA (US);
Xinqiao Liu, San Jose, CA (US);
Ender Tunc Eroglu, San Jose, CA (US);
Cyrus Bamji, Fremont, CA (US);
Hakan Yalcin, Fremont, CA (US);
Xinqiao Liu, San Jose, CA (US);
Ender Tunc Eroglu, San Jose, CA (US);
Canesta, Inc., Sunnyvale, CA (US);
Abstract
Effective differential dynamic range in a differential pixel detector is increased by avoiding saturation effects due to common mode contribution in optical energy to be detected. Photocurrent generated by each photodetector pair is directly integrated by an associated capacitor over an integration time T. Within time T, before either integrated capacitor voltage reaches Vfor the photodetector, at least one of the capacitors is reset to a voltage such that the desired differential detector signal is still determinable. Reset may be generated externally or internally to the differential pixel detector.