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:
Aug. 09, 2011
Filed:
Apr. 28, 2008
Chin-fa Chiu, Taoyuan Hsien, TW;
Chun-lung Chiu, Taoyuan Hsien, TW;
Ming-shi Tsai, Taoyuan Hsien, TW;
Chin-Fa Chiu, Taoyuan Hsien, TW;
Chun-Lung Chiu, Taoyuan Hsien, TW;
Ming-Shi Tsai, Taoyuan Hsien, TW;
Delta Electronics, Inc., Taoyuan Hsien, TW;
Abstract
A motor controlling method and apparatus thereof are provided. The control method includes the steps of receiving a switching phase signal of coil while the motor is rotating, for generating a separate signal, comparing the phase signal and the separate signal to generate a first control signal, generating a current feedback signal equivalent to the first control signal, and comparing the current feedback signal and the separate signal for generating a second control signal so as to control the operation of the motor.