Patents

Lee Dong-Myung, device and method for linearizing position detection signal of low-resolution sensor, and motor control device and method applying the same , Patent No .: 10-17425540000, 2017.5

Lee Dong-myung, Hong Chan-hee , Emergency operation method of inverter for electric vehicle , Patent number : 10-1436562, 2014.8

Lee Dong- myung, Lim Dong-chan , Hong Chan-hee , Speed ​​control device and method using parameter estimation of built-in permanent magnet synchronous motor , Patent No .: 10-1353583, 2014.

Lee Dong-myung , Hong Chan-hee , Circuit and method for compensating unbalanced voltage of a three- phase inverter , Patent No .: 10-1298503, 2013.

Lee Dong-myung, Hong Chan-hee, 3-level space vector PWM overmodulation control device and method, Patent No.: 10-1200815, 2012.

Lee , Dong-myung, Space voltage PWM overmodulation control method and device therefor , Patent No .: 10-1199723, 2012.

Joseph R. Rostron and DM Lee, Voltage sag and over-voltage compensation device with pulse width modulated transformer, Pat. no.: US6750563, 2004.

Lee Dong-myung , Oh Jae-yoon , Jeong Dal-ho , Apparatus and method for reducing torque ripple in three phase motor controller using four switching elements, Pat. no.: JP3448036, 2003.

Lee Dong-myung , Oh Jae-yoon , Jeong Dal-ho , Phase distortion compensating apparatus and method for reducing torque ripple in 3-phase motor, Pat. no.: US6525497, 2003.

Lee , Dong-Myung, Oh , Jae-Yun , Jeong, Dal-Ho, Yang, Sun-Bae , Voltage compensating apparatus and method for 3-phase inverter employing four switches, Pat. no.: GB2364606, 2003.

Gwan-yeol Jo , Myung Lee , Apparatus for detecting rotor position in brushless direct current motor, Pat. no.: US6448725, 2002.

Lee Dong-myung , Plasma display device and driving method thereof , Patent No .: 10-0839387, 2008.

Jo Seong-jun , Lee Dong-myung , Kwak Sang-shin , Plasma display device and driving device therefor , Patent No .: 10-0823475, 2008.

Lee Dong-myung , Plasma display device and its driving device , Patent No .: 10-0766924, 2007.

Lee Dong-myung , Plasma display device and its driving method , Patent No .: 10-0670150, 2007.

Lee Dong-myung , Plasma display device and its driving method , Patent No .: 10-0658685, 2006.

Lee Dong-myung , Plasma display device and its driving method , Patent No .: 10-0649529, 2006.

Lee Dong-myung , Plasma display device and driving device thereof , Patent No .: 10-0649197, 2006.

Lee Dong-myung , Plasma display device and power supply device used therein , Patent No .: 10-0648707, 2006.

Lee Dong-myung , Oh Jae-yoon , Jeong Dal-ho , Voltage compensation circuit and method for a three- phase inverter using four switches , Patent No .: 10-0364544, 2002.

Lee Dong-myung , Oh Jae-yoon , and Jeong Dal-ho , Speed ​​control method of a three- phase motor controller using four switching elements , Patent No .: 10-0344816, 2002.

Lee Dong-myung , Oh Jae-yoon , Jeong Dal-ho , Torque ripple reduction device and method of a three- phase motor controller using four switching elements , Patent No .: 10-0332819, 2002.

Lee Dong-myung , Speed ​​control device and method for brushless DC motor , Patent No .: 10-0320195, 2001.

Lee Dong-myung , Sensorless speed control device for brushless DC motor , Patent No .: 10-0320194, 2001.

Lee Dong-myung , Jeong Dal-ho , Speed ​​control method and device for synchronous reluctance motor , Patent No .: 10-0314184, 2001.

Lee Dong-myung , Speed ​​control device and method for brushless DC motor , Patent No .: 10-0319137, 2001.

Lee Dong-myung , Position detection device for brushless DC motor , Patent No .: 10-0308267, 2001.

Lee Dong-myung , Sensorless vector control device for induction motor , Patent No .: 10-0292487, 2001.

Lee Dong-myung , Speed ​​control device and method of BLDC motor , Patent No .: 10-0284498, 2000.

Lee Dong-myung , Brushless DC motor driving device and its control method , Patent No .: 10-0283891, 2000.

Lee Dong-myung, Slip frequency type vector control device for induction motor, Patent No .: 10-0256315, 2000.

Lee Dong-myung , Integrated inverter cooling device , Patent number : Patent number : 10-0253231, 2000.