Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8581518 | Triac dimmer compatible switching mode power supply and method thereof | Naixing Kuang, Lei Du, Yuancheng Ren | 2013-11-12 |
| 8576588 | Switching mode power supply with primary side control | Naixing Kuang, Lei Du, Yuancheng Ren | 2013-11-05 |
| 8537584 | Latch-off of synchronous rectification for light load control | Yuancheng Ren, Lei Miao, Zhaoqi Mao | 2013-09-17 |
| 8498135 | Switching mode power supply with spectrum shaping and the method thereof | En Li, Yuancheng Ren | 2013-07-30 |
| 8472217 | Switching mode power supply with a multi-mode controller | En Li, Yuancheng Ren | 2013-06-25 |
| 8400790 | Latch-off of real time synchronous rectification for light load control | Yuancheng Ren, Lei Miao, Zhaoqi Mao | 2013-03-19 |
| 8391030 | Switching mode power supplies and associated methods of control | En Li | 2013-03-05 |
| 8373349 | Circuit and method for striking CCFL | Jiali Cai, Lei Du, Yuancheng Ren, Eric Yang | 2013-02-12 |
| 8320139 | Switching regulator with frequency limitation and method thereof | Jin-Kui Hu, James C. Moyer, Yuancheng Ren | 2012-11-27 |
| 8274801 | Switching mode power supply with burst mode and associated methods of control | Yang Shi, Yuancheng Ren | 2012-09-25 |
| 8270185 | Switching mode power supply with a spectrum shaping circuit | Jin-Kui Hu, Yuancheng Ren | 2012-09-18 |
| 8238123 | Frequency limitation method with time hysteresis used in quasi-resonant control | Yuanchang Ren, Jin-Kui Hu, Huanyu Lu, Yang Shi | 2012-08-07 |
| 8164218 | Power converters and associated methods of control | Naixing Kuang, Lei Du, Yuancheng Ren | 2012-04-24 |
| 8159141 | Methods and apparatus for driving discharge lamps | Naixing Kuang, Lei Du, Yuancheng Ren | 2012-04-17 |
| 8115402 | Method and apparatus for driving multiple parallel discharge lamps | Naixing Kuang, Lei Du, Yuancheng Ren | 2012-02-14 |
| 8102680 | Smart driving method for synchronous rectifier and its apparatus thereof | Yuancheng Ren, Lei Miao, Zhaoqi Mao | 2012-01-24 |
| 8063570 | Simple protection circuit and adaptive frequency sweeping method for CCFL inverter | Yuancheng Ren, Kaiwei Yao, Eric Yang | 2011-11-22 |
| 8054655 | Tail current control of isolated converter and apparatus thereof | James C. Moyer, Kaiwei Yao, Yuxin Li, Huanyu Lu | 2011-11-08 |
| RE42846 | Close-loop class-D audio amplifier and control method thereof | Yuancheng Ren, Yunping Lang | 2011-10-18 |
| 8004360 | Close-loop Class-D audio amplifier and control method thereof | Yuancheng Ren, Yunping Lang | 2011-08-23 |
| 7915833 | Single-ended DC to AC power inverter | Wei Chen, Yuancheng Ren, Lei Du | 2011-03-29 |
| 7825605 | DA/AC convert for driving cold cathode fluorescent lamp | Xiaopeng Dong, Yuancheng Ren, Wei Chen, Eric Yang | 2010-11-02 |
| 7728666 | Close-loop class-D audio amplifier and control method thereof | Yuancheng Ren, Yunping Lang | 2010-06-01 |
| 6367911 | Ink printer head composed of individual ink printer modules, with an adapter plate for achieving high printing density | Harald Windel | 2002-04-09 |
| 5883651 | Arrangement for plate-shaped piezoactuators and method for the manufacture thereof | Wolfgang Thiel | 1999-03-16 |