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:
Sep. 22, 2026

Filed:

Nov. 12, 2024
Applicant:

Himax Imaging Limited, Tainan City, TW;

Inventor:

Felix Su, Tainan City, TW;

Assignee:

Himax Imaging Limited, Tainan City, TW;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 23/745 (2023.01);
U.S. Cl.
CPC ...
H04N 23/745 (2023.01);
Abstract

An auto flicker detector (AFD) includes a difference generator that generates a difference image representing difference between consecutive frames of at least one pair of captured images from an image sensor illuminated by a light source; and a correlator operatively performed on the difference image to generate correlations associated with a first frequency and a second frequency respectively. A frequency at which the light source flickers is determined according to the correlations.


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