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:
May. 05, 2015
Filed:
Jan. 25, 2013
Chien-jung Chen, Kaohsiung, TW;
Hsien-wen Liu, Kaohsiung, TW;
Chih-tsung Hsu, Kaohsiung, TW;
Tzu-wen Tsai, Kaohsiung, TW;
Chien-Jung Chen, Kaohsiung, TW;
Hsien-Wen Liu, Kaohsiung, TW;
Chih-Tsung Hsu, Kaohsiung, TW;
Tzu-Wen Tsai, Kaohsiung, TW;
Yen Sun Technology Corp., Kaohsiung, TW;
Abstract
A motor includes a base, a rotor unit and a driving unit. The base has opposite first and second surfaces. The rotor unit includes a magnet unit disposed on a rotatable magnet carrier to face the first surface of the base. The driving unit includes a circuit board disposed between the base and the magnet unit, induction coils disposed on the circuit board and operatively associated with the magnet unit, a sensor unit disposed on the circuit board and spaced apart from the induction coils, and a rotor positioning component disposed on the second surface of the base and capable of magnet attraction with the magnet unit for positioning the rotor unit relative to the sensor unit when the rotor unit stops rotating.