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. 11, 2005
Filed:
Mar. 19, 2002
Chiaki Umemura, Kariya, JP;
Yoshihide Suzuki, Kariya, JP;
Xiaoou MA, Kariya, JP;
Aisin Seiki Kabushiki Kaisha, Aichi-Ken, JP;
Abstract
A driving control device of a motor includes a phase current control device for controlling a phase current which is fed to a phase coil of each phases of a motor in a predetermined control period of each phase coils so as to become a predetermined target current, respectively, a convergent control device for converging the phase current after the end of the control period of each phase coils and a driving signal generating device for generating a driving signal which controls the end timing of the phase current convergent control by the convergent control device so that the phase current convergent control is ended between a timing at which a reverse torque is generated by the phase current and the end timing of the control period for next phase coil.