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:
Jun. 09, 2009
Filed:
Nov. 26, 2003
Applicants:
Du Heig Choi, Changwon-si, KR;
Bon Kwon Koo, Changwon-si, KR;
IN Haeng Cho, Changwon-si, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06F 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method for switching a power transmission mode of a washing machine id disclosed, to prevent malfunction and damages of the washing machine by switching the power transmission mode stably in which the method includes: (a) rotating the cam () by driving the clutch motor (); (b) counting the number of pulses of power supplied to the clutch motor (); and (c) maintaining the rotation of the cam () until the ounted number of pulses is equal to, or greater than a preset number of pulses.