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:
Jun. 23, 2026
Filed:
Feb. 13, 2024
Alps Alpine Co., Ltd., Tokyo, JP;
Kazuhiko Kinemura, Miyagi-ken, JP;
Takashi Sato, Miyagi-ken, JP;
Alps Alpine Co., Ltd., , JP;
Abstract
A drive circuit includes a first switching element inserted in a current path connecting a load with a resonance frequency to a reference potential point, a drive element having a first input terminal to which a load signal obtained by converting a current flowing in the current path into a voltage is input, a second input terminal to which a first control signal that serves as a reference for operation of the first switching element is input, and an output terminal connected to a control terminal of the first switching element, and a second switching element inserted in a first connection path connecting the output terminal of the drive element and the first input terminal of the drive element.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile