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.

Date of Patent:
Aug. 15, 2023

Filed:

May. 26, 2022
Applicant:

Omnivision Technologies, Inc., Santa Clara, CA (US);

Inventors:

Zhe Gao, San Jose, CA (US);

Hiroaki Ebihara, San Jose, CA (US);

Ling Fu, Santa Clara, CA (US);

Tiejun Dai, Santa Clara, CA (US);

Assignee:

OmniVision Technologies, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 25/75 (2023.01); H04N 25/53 (2023.01); H04N 25/62 (2023.01); H04N 25/65 (2023.01); H04N 25/771 (2023.01); H04N 25/532 (2023.01);
U.S. Cl.
CPC ...
H04N 25/75 (2023.01); H04N 25/53 (2023.01); H04N 25/62 (2023.01); H04N 25/65 (2023.01); H04N 25/771 (2023.01);
Abstract

A global shutter readout circuit includes a reset transistor coupled between a reset voltage and a bitline. A pixel enable transistor is coupled between the reset transistor and a source follower transistor. First and second terminals of the pixel enable transistor are coupled together in response to a pixel enable signal coupled to a third terminal of the pixel enable transistor. A first storage transistor coupled to the second terminal of the pixel enable transistor and the gate of the source follower transistor. A first storage capacitor is coupled to the first storage transistor. A second storage transistor coupled to the second terminal of the pixel enable transistor and the gate of the source follower transistor. A second storage capacitor is coupled to the second storage transistor. A row select transistor is coupled to the source follower transistor to generate an output signal from the global shutter readout circuit.


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