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:
Mar. 29, 2011
Filed:
Aug. 10, 2009
Bon Kwon Koo, Seoul, KR;
Kwon Ki Hong, Changwon-shi, KR;
Jae Cheol Lyu, Changwon-shi, KR;
Woon Yong Lee, Gwangju-gwangyok-shi, KR;
Jong Chul Bang, Changwon-shi, KR;
Min Jin OH, Changwon-shi, KR;
Kweon Son, Changwon-si, KR;
Jong Ho Kim, Changwon-shi, KR;
IN Haeng Cho, Changwon-shi, KR;
Bon Kwon Koo, Seoul, KR;
Kwon Ki Hong, Changwon-shi, KR;
Jae Cheol Lyu, Changwon-shi, KR;
Woon Yong Lee, Gwangju-gwangyok-shi, KR;
Jong Chul Bang, Changwon-shi, KR;
Min Jin Oh, Changwon-shi, KR;
Kweon Son, Changwon-si, KR;
Jong Ho Kim, Changwon-shi, KR;
In Haeng Cho, Changwon-shi, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A control system for a motor-driven washing machine. The control system includes an electrical motor; a driving unit that applies an input voltage to the motor to drive the motor; a voltmeter that measures a reverse voltage generated by the motor for each predetermined period; and a microprocessor reducing a speed of the motor if the measured reverse voltage is less than or equal to a predetermined voltage level.