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. 31, 2012
Filed:
Apr. 10, 2006
Arjuna Bin Marzuki, Kudah, MY;
Kwai Lee Pang, Perak, MY;
Len-li Kevin Lim, Perak, MY;
Avago Technologies ECBU IP (Singapore) Pte. Ltd., Singapore, SG;
Abstract
In one embodiment, apparatus for integrating a quantity of light is provided with a photosensor, an integration capacitor, and a transfer amplifier. The transfer amplifier has i) an input coupled to receive a voltage determined by the integration capacitor, and ii) an output. The apparatus is further provided with a first switch to pull the integration capacitor to a precharge voltage, and a second switch to couple the integration capacitor to the photosensor, to discharge the integration capacitor in proportion to a quantity of light that is incident on the photosensor. Other embodiments are also disclosed.