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. 04, 2000
Filed:
Mar. 16, 1998
Applicant:
Inventors:
Matthew A Pace, Cortland, NY (US);
Jeffrey J Zarnowski, McGraw, NY (US);
Assignee:
Photon Vision Systems, LLC, Cortland, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502081 ; 2502 / ; 257292 ; 348304 ;
Abstract
A CMOS imager includes a photosensitive device such as a photosensitive device such as a photodiode or photogate having a sense node coupled to an FET located adjacent to the photosensitive region. Another FET, forming a differential input pair of an operational amplifier is located outside of the array of pixels. The operational amplifier is configured for unity gain and a row or column of input FETs is connected in parallel. A correlated double sampler is connected to the output of the operational amplifier for providing a fixed pattern noise free signal.