Membership
Tour
Register
Log in
Dal H. Cheong
Follow
Person
Seoul, KR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Rotor of electric motor for simplifying manufacturing process and e...
Patent number
7,956,505
Issue date
Jun 7, 2011
LG Electronics Inc.
Hyun-Hun Shin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Synchronous reluctance motor and compressor having the same
Patent number
7,876,018
Issue date
Jan 25, 2011
LG Electronics Inc.
Jae-Yoon Oh
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotor of synchronous reluctance motor
Patent number
7,687,949
Issue date
Mar 30, 2010
LG Electronics Inc.
Kyung-Hoon Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Flux barrier type synchronous reluctance motor and rotor thereof
Patent number
7,560,846
Issue date
Jul 14, 2009
LG Electronics Inc.
Kyung-Hoon Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for controlling high speed operation of motor and method...
Patent number
7,501,776
Issue date
Mar 10, 2009
LG Electronics Inc.
Gil-Su Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for determining normal start up of sensorless...
Patent number
7,358,694
Issue date
Apr 15, 2008
LG Electronics Inc.
June Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and device for controlling startup of motor
Patent number
7,271,562
Issue date
Sep 18, 2007
LG Electronics Inc.
Gil-su Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sensorless motor drive apparatus and method for protecting and cont...
Patent number
7,138,777
Issue date
Nov 21, 2006
LG Electronics Inc.
June Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for compensating for speed error of motor
Patent number
7,102,309
Issue date
Sep 5, 2006
LG Electronics Inc.
Jae-Yoon Oh
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Apparatus for measuring magnetic flux of synchronous reluctance mot...
Patent number
6,831,439
Issue date
Dec 14, 2004
Electronics, Inc.
June Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of manufacturing a rotor for a synchronous reluctance motor
Patent number
6,769,167
Issue date
Aug 3, 2004
LG Electronics Inc.
Kyung Hun Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System for controlling motor and method for the same
Patent number
6,735,284
Issue date
May 11, 2004
LG Electronics Inc.
Dal Ho Cheong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for controlling rotation speed of synchronous...
Patent number
6,724,168
Issue date
Apr 20, 2004
LG Electronics, Inc.
Dal-Ho Cheong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for controlling rotation speed of motor
Patent number
6,646,409
Issue date
Nov 11, 2003
LG Electronics Inc.
June Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Phase distortion compensating apparatus and method for reducing tor...
Patent number
6,525,497
Issue date
Feb 25, 2003
LG Electronics Inc.
Dong Myung Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Voltage compensating apparatus and method for 3-phase inverter empl...
Patent number
6,388,903
Issue date
May 14, 2002
LG Electronics Inc.
Dong Myung Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and device for controlling speed of a washing machine motor
Patent number
5,682,634
Issue date
Nov 4, 1997
Goldstar Co., Ltd.
Dal Ho Cheong
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Device for detecting motor speed of automatic washing machine
Patent number
5,576,620
Issue date
Nov 19, 1996
Goldstar Co., Ltd.
Dal H. Cheong
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Patents Applications
last 30 patents
Information
Patent Application
Rotor of Synchronous Reluctance Motor
Publication number
20080211340
Publication date
Sep 4, 2008
LG ELECTRONICS INC.
Kyung-Hoon LEE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS AND METHOD OF CONTROLLING SYNCHRONOUS RELUCTANCE MOTOR
Publication number
20070257633
Publication date
Nov 8, 2007
LG ELECTRONICS INC.
June-Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS FOR CONTROLLING HIGH SPEED OPERATION OF MOTOR AND METHOD...
Publication number
20070257626
Publication date
Nov 8, 2007
LG ELECTRONICS INC.
Gil-Su LEE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ROTOR OF ELECTRIC MOTOR FOR SIMPLIFYING MANUFACTURING PROCESS AND E...
Publication number
20070247012
Publication date
Oct 25, 2007
LG ELECTRONICS INC.
Hyun-Hun SHIN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYNCHRONOUS RELUCTANCE MOTOR AND COMPRESSOR HAVING THE SAME
Publication number
20070120434
Publication date
May 31, 2007
LG ELECTRONICS INC.
Jae-Yoon OH
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FLUX BARRIER TYPE SYNCHRONOUS RELUCTANCE MOTOR AND ROTOR THEREOF
Publication number
20060284512
Publication date
Dec 21, 2006
LG ELECTRONICS INC.
Kyung-Hoon LEE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Apparatus and method for determining normal start up of sensorless...
Publication number
20060201726
Publication date
Sep 14, 2006
LG ELECTRONICS INC.
June Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Method and device for controlling startup of motor
Publication number
20060119305
Publication date
Jun 8, 2006
LG Electronics Inc.
Gil-su Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Permanent magnet assisted synRM and method for imposing magnetic fo...
Publication number
20060043812
Publication date
Mar 2, 2006
LG ELECTRONICS INC.
Dal Ho Cheong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Sensorless motor drive apparatus and method for protecting and cont...
Publication number
20060033457
Publication date
Feb 16, 2006
LG ELECTRONICS INC.
June Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Apparatus for compensating for speed error of motor
Publication number
20050062448
Publication date
Mar 24, 2005
LG ELECTRONICS INC.
Jae-Yoon Oh
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SYSTEM FOR CONTROLLING MOTOR AND METHOD FOR THE SAME
Publication number
20040070364
Publication date
Apr 15, 2004
LG ELECTRONICS INC.
Dal Ho Cheong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Apparatus for measuring magnetic flux of synchronous reluctance mot...
Publication number
20040061472
Publication date
Apr 1, 2004
LG ELECTRONICS INC.
June Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Apparatus for controlling rotation speed of motor
Publication number
20030025475
Publication date
Feb 6, 2003
LG Electronics Inc.
June Hee Won
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Rotor for synchronous reluctance motor and manufacturing method the...
Publication number
20030020351
Publication date
Jan 30, 2003
LG Electronics Inc.
Kyung Hun Lee
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Apparatus and method for controlling rotation speed of synchronous...
Publication number
20030015987
Publication date
Jan 23, 2003
Dal-Ho Cheong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Phase distortion compensating apparatus and method for reducing tor...
Publication number
20020053891
Publication date
May 9, 2002
Dong Myung Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Voltage compensating apparatus and method for 3-phase inverter empl...
Publication number
20020012255
Publication date
Jan 31, 2002
Dong Myung Lee
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Speed control apparatus for synchronous reluctance motor
Publication number
20010028236
Publication date
Oct 11, 2001
Dal-Ho Cheong
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER