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. 02, 2020
Filed:
Aug. 08, 2018
Mando Corporation, Gyeonggi-do, KR;
Nam Gyun Kim, Gyeonggi-do, KR;
Jong Mu Lee, Seoul, KR;
MANDO CORPORATION, Gyeonggi-Do, KR;
Abstract
The present disclosure relates to a three-phase motor control circuit including an inverter circuit configured to convert input power into three-phase power, a relay switch configured to determine whether the three-phase power is input to a three-phase motor on the basis of a control signal of an operational level, an operation circuit configured to calculate the three-phase power and the input power to generate the operational level, and an amplification circuit configured to amplify a control signal of an initial level, which is generated by a controller for operating the relay switch, to be a control signal of the operational level on the basis of the generated operational level.