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:
Feb. 16, 2021
Filed:
Jul. 18, 2019
Omnivision Technologies, Inc., Santa Clara, CA (US);
Hiroaki Ebihara, Santa Clara, CA (US);
Zheng Yang, San Jose, CA (US);
OmniVision Technologies, Inc., Santa Clara, CA (US);
Abstract
A column amplifier with a comparator for use in an image sensor includes an amplifier coupled to receive an input signal representative of an image charge from a pixel cell of the image sensor. An amplifier auto-zero switch is coupled between an input of the amplifier and an output of the amplifier. A feedback capacitor coupled to an input of the amplifier. An amplifier output switch coupled between the output of the amplifier and the feedback capacitor. A comparator includes a first input coupled the amplifier output switch. A comparator auto-zero switch is coupled between the first input of the comparator and an output of the comparator.