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:
Sep. 18, 2012
Filed:
Apr. 06, 2010
Applicants:
Chien-chung Tseng, Hsinchu County, TW;
Hsien-wen Hsu, Hsinchu County, TW;
Chien-jen Hsieh, Hsinchu County, TW;
Inventors:
Chien-Chung Tseng, Hsinchu County, TW;
Hsien-Wen Hsu, Hsinchu County, TW;
Chien-Jen Hsieh, Hsinchu County, TW;
Assignee:
inergy Technology Inc., Hsinchu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 6/00 (2006.01); H02P 6/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and a method for controlling a sensorless motor are disclosed, where the system includes a motor driver and a zero-crossing detector. The motor driver can drive the sensorless motor. The zero-crossing detector can detect a zero-crossing point when the voltage of one motor coil of the sensorless motor is in a blanking period.