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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.:

US 12748166 B1

PDFFull Text
Date of Patent:
Sep. 29, 2026

Filed:

Mar. 07, 2024

Optical detection device and signal processing method

Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Takekazu Yamane, Tokyo, JP;

Tetsuya Shibata, Tokyo, JP;

Weihao Zhang, Tokyo, JP;

Hideaki Fukuzawa, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Syed I Gheyas

Int. Cl.
CPC ...
G01R 33/09 (2006.01); G01R 33/00 (2006.01); H10N 50/10 (2023.01); H10N 50/85 (2023.01);
U.S. Cl.
CPC ...
G01R 33/091 (2013.01); G01R 33/0029 (2013.01); G01R 33/007 (2013.01); G01R 33/093 (2013.01); G01R 33/096 (2013.01); H10N 50/10 (2023.02); H10N 50/85 (2023.02); G01R 33/098 (2013.01);
Abstract

This optical detection device includes a first photoelectric conversion element that outputs a first output, and a second photoelectric conversion element that outputs a second output, and is configured to combine a first signal caused by the first output with a second signal caused by the second output, in a state where a first condition and a second condition are satisfied. The first condition is a condition that an absolute value of an amount of change until the first signal reaches a peak is different from an absolute value of an amount of change until the second signal reaches a peak, and the second condition is a condition that a sign of the amount of change until the first signal reaches the peak is different from a sign of the amount of change until the second signal reaches the peak.

Find Patent Forward Citations

Yamane, Takekazu. (2026). Optical detection device and signal processing method (U.S. Patent No. 12748166). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12748166

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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