Inventor · disambiguated record
Dal-Ho Cheong
Also filed as: CHEONG DAL H · CHEONG DAL-HO
18 granted patents·1 pending application·365 citations·filing 1994–2007
95Inventor score
Top patents by PatentIndex Score
19 records- 0194US7138777B2Sensorless motor drive apparatus and method for protecting and controlling the sameLG ELECTRONICS INC·Filed 2005·Granted Nov 21, 2006·39 cites·14 claims
- 0294US6831439B2Apparatus for measuring magnetic flux of synchronous reluctance motor and sensorless control system for the same motorLG ELECTRONICS INC·Filed 2003·Granted Dec 14, 2004·65 cites·15 claims
- 0392US6735284B2System for controlling motor and method for the sameLG ELECTRONICS INC·Filed 2003·Granted May 11, 2004·56 cites·15 claims
- 0488US7501776B2Apparatus for controlling high speed operation of motor and method thereofLG ELECTRONICS INC·Filed 2007·Granted Mar 10, 2009·20 cites·9 claims
- 0587US7271562B2Method and device for controlling startup of motorLG ELECTRONICS INC·Filed 2005·Granted Sep 18, 2007·20 cites·19 claims
- 0686US6646409B2Apparatus for controlling rotation speed of motorLG ELECTRONICS INC·Filed 2002·Granted Nov 11, 2003·36 cites·6 claims
- 0784US6769167B2Method of manufacturing a rotor for a synchronous reluctance motorLG ELECTRONICS INC·Filed 2002·Granted Aug 3, 2004·30 cites·32 claims
- 0879US7560846B2Flux barrier type synchronous reluctance motor and rotor thereofLG ELECTRONICS INC·Filed 2006·Granted Jul 14, 2009·9 cites·18 claims
- 0978US6724168B2Apparatus and method for controlling rotation speed of synchronous reluctance motorLG ELECTRONICS INC·Filed 2002·Granted Apr 20, 2004·26 cites·23 claims
- 1072US7358694B2Apparatus and method for determining normal start up of sensorless motorLG ELECTRONICS INC·Filed 2006·Granted Apr 15, 2008·6 cites·20 claims
- 1166US7687949B2Rotor of synchronous reluctance motorLG ELECTRONICS INC·Filed 2005·Granted Mar 30, 2010·4 cites·13 claims
- 1262US7102309B2Apparatus for compensating for speed error of motorLG ELECTRONICS INC·Filed 2004·Granted Sep 5, 2006·8 cites·4 claims
- 1361US7956505B2Rotor of electric motor for simplifying manufacturing process and electric motor having the sameLG ELECTRONICS INC·Filed 2007·Granted Jun 7, 2011·3 cites·11 claims
- 1461US6525497B2Phase distortion compensating apparatus and method for reducing torque ripple in 3-phase motorLG ELECTRONICS INC·Filed 2001·Granted Feb 25, 2003·12 cites·11 claims
- 1558US7876018B2Synchronous reluctance motor and compressor having the sameLG ELECTRONICS INC·Filed 2006·Granted Jan 25, 2011·2 cites·28 claims
- 1658US5576620ADevice for detecting motor speed of automatic washing machineGOLD STAR CO·Filed 1994·Granted Nov 19, 1996·17 cites·4 claims
- 1744US5682634AMethod and device for controlling speed of a washing machine motorGOLD STAR CO·Filed 1994·Granted Nov 4, 1997·12 cites·25 claims
- 1835US2007257633A1Apparatus and method of controlling synchronous reluctance motorLG ELECTRONICS INC·Filed 2007·Application pending·0 cites
- 1933US6388903B2Voltage compensating apparatus and method for 3-phase inverter employing four switchesLG ELECTRONICS INC·Filed 2001·Granted May 14, 2002·0 cites·7 claims
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