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:
Dec. 14, 2021
Filed:
Sep. 23, 2020
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Noriyuki Kamiya, Kariya, JP;
Taishi Iikawa, Kariya, JP;
AISIN SEIKI KABUSHIKI KAISHA, Kariya, JP;
Abstract
An opening/closing body drive device includes: a motor which opens or closes an opening/closing body; a drive unit which rotates the motor; and a control unit which controls the drive unit. The drive unit includes a first and second integrated circuits having first and second switching elements and third and fourth switching elements which are connected to each other in series with respect to a power source and connection points of which are connected to one and the other terminals of the motor, respectively. The control unit turn-on drives the first and fourth switching elements or the second and third switching elements when driving the motor to be rotated forward or reversely. The control unit turn-on drives any one of the second and third switching elements when braking the motor during the forward rotation of the motor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile