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. 07, 2010
Filed:
Nov. 27, 2007
Applicants:
Kyung Hoon Lee, Seoul, KR;
June Hee Won, Seoul, KR;
Gil Su Lee, Seoul, KR;
Jun Ho Ahn, Seoul, KR;
Jae Yoon OH, Seoul, KR;
Inventors:
Kyung Hoon Lee, Seoul, KR;
June Hee Won, Seoul, KR;
Gil Su Lee, Seoul, KR;
Jun Ho Ahn, Seoul, KR;
Jae Yoon Oh, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 17/32 (2006.01); H02K 23/68 (2006.01); H02K 27/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A motor driver system includes an inverter configured to apply a three-phase voltage to a motor; an inverter driver configured to generate a reference voltage to the inverter to control a motor speed to follow a reference speed; and a motor protector configured to control the inverter driver so that a value of the reference voltage is equal to or lower than a predetermined voltage value.