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. 15, 2026

Filed:

Dec. 16, 2024
Applicant:

Alps Alpine Co., Ltd., Tokyo, JP;

Inventors:

Tomoki Yamada, Miyagi-ken, JP;

Makoto Abe, Miyagi-ken, JP;

Toshiki Nakamura, Miyagi-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/96 (2006.01); H05B 45/30 (2020.01); H05B 47/115 (2020.01);
U.S. Cl.
CPC ...
H03K 17/962 (2013.01); H05B 45/30 (2020.01); H05B 47/115 (2020.01); H03K 2217/960735 (2013.01);
Abstract

An input device includes: a light-emitting diode; a switching element connected in series with the light-emitting diode, the switching element switching the light-emitting diode between the on and off states; an electrostatic sensor having a detection electrode capacitively coupled to a circuit portion disposed between the light-emitting diode and the switching element; and a capacitor having a first terminal connected to the circuit portion and a second terminal connected to a fixed potential point.


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