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:
Oct. 05, 2021
Filed:
Dec. 14, 2020
Applicant:
Omnivision Technologies, Inc., Santa Clara, CA (US);
Inventors:
Assignee:
OMNIVISION TECHNOLOGIES, INC., Santa Clara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/378 (2011.01); H04N 5/3745 (2011.01); H03M 1/34 (2006.01); H04N 5/355 (2011.01);
U.S. Cl.
CPC ...
H04N 5/378 (2013.01); H03M 1/34 (2013.01); H04N 5/3559 (2013.01); H04N 5/35563 (2013.01); H04N 5/37457 (2013.01);
Abstract
A readout circuit for use in an image sensor includes a first sample and hold (SH) circuit coupled to a bitline that is coupled to a pixel array. A second SH circuit is coupled to the bitline. A bypass switch is coupled to the bitline, the first SH circuit, and the second SH circuit. An analog to digital converter (ADC) is coupled to the bypass switch. The bypass switch is configured to provide an image charge value from the pixel array to the ADC through the bitline, or through one of the first SH circuit or the second SH circuit in response to a switch select signal.