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:
Jan. 19, 2021
Filed:
Sep. 20, 2019
Makio Abe, Tokyo, JP;
Takatoshi Itagaki, Tokyo, JP;
Shu Hayashi, Tokyo, JP;
Masato Aoki, Nagano, JP;
Makio Abe, Tokyo, JP;
Takatoshi Itagaki, Tokyo, JP;
Shu Hayashi, Tokyo, JP;
Masato Aoki, Nagano, JP;
MITSUMI ELECTRIC CO., LTD., Tokyo, JP;
Abstract
A motor control circuit includes a control circuit configured to control a switching operation of an inverter circuit, the inverter circuit being configured to supply an alternating current power to a motor, and includes a determination-information generating circuit configured to generate at least one determination value that conveys information on whether the motor malfunctions or deteriorates. The motor control circuit includes a determination circuit configured to determine whether the motor malfunctions or deteriorates based on the determination value to output, as an interrupt signal, a signal indicating that the motor malfunctions or deteriorates to the control circuit.