Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8446194 | Spread spectrum clock generating circuit | Seok Ju YUN, Hui Dong Lee, Kwi Dong Kim | 2013-05-21 |
| 8407276 | Apparatus for calculating absolute difference | Chun-Gi Lyuh, Ik Jae Chun, Jung Hee Suk, Tae Moon Roh, Jong Dae Kim | 2013-03-26 |
| 8362938 | Analog digital converting device | Young Kyun Cho, Young-deuk Jeon, Jaewon Nam | 2013-01-29 |
| 8350608 | Phase locked loop circuit including automatic frequency control circuit and operating method thereof | Hui Dong Lee, Seok Ju YUN, Kwi Dong Kim, Sang Hyun Cho | 2013-01-08 |
| 8300850 | Read-out circuit with high input impedance | Min-Hyung Cho, Yi-Gyeong KIM, Jae Won Nam | 2012-10-30 |
| 8274317 | Phase-locked loop circuit comprising voltage-controlled oscillator having variable gain | Sang Hyun Cho, Hui Dong Lee, Kwi Dong Kim, Seung-Tak Ryu | 2012-09-25 |
| 8274269 | Switching circuit and small-size high-efficiency DC-DC converter for portable devices including the same | Kwi Dong Kim, Jong Dae Kim, Yong-Seo Koo | 2012-09-25 |
| 8264268 | Offset-voltage calibration circuit | Young Kyun Cho, Young-deuk Jeon, Jae Won Nam | 2012-09-11 |
| 8264293 | Oscillator | Seok Ju YUN, Hui Dong Lee, Kwi Dong Kim | 2012-09-11 |
| 8217728 | LC voltage-controlled oscillator | Hui Dong Lee, Kwi Dong Kim, Jong Dae Kim | 2012-07-10 |
| 8205021 | Memory system and integrated management method for plurality of DMA channels | Ik Jae Chun, Chun-Gi Lyuh, Se Wan Heo, Sang-Hun Yoon, Tae Moon Roh +1 more | 2012-06-19 |
| 8199038 | Active resistance-capacitor integrator and continuous-time sigma-delta modulator with gain control function | Yi-Gyeong KIM, Min-Hyung Cho | 2012-06-12 |
| 8164504 | Successive approximation register analog-digital converter and method for operating the same | Young Kyun Cho, Young-deuk Jeon, Jae Won Nam | 2012-04-24 |
| 8164497 | Pipeline analog-to-digital converter | Jae Won Nam, Young-deuk Jeon, Young Kyun Cho | 2012-04-24 |
| 8164491 | Coefficient multiplier and digital delta-sigma modulator using the same | Min-Hyung Cho, Yi-Gyeong KIM | 2012-04-24 |
| 8081038 | Ring oscillator having wide frequency range | Hui Dong Lee, Kwi Dong Kim | 2011-12-20 |
| 8059022 | Digital-to-analog converter | Young Kyun Cho, Young-deuk Jeon, Jae Won Nam | 2011-11-15 |
| 8040156 | Lock detection circuit and lock detecting method | Hui Dong Lee, Kwi Dong Kim | 2011-10-18 |
| 7999719 | Multi-stage successive approximation register analog-to-digital converter and analog-to-digital converting method using the same | Young-deuk Jeon, Young Kyun Cho, Jae Won Nam | 2011-08-16 |
| 7977979 | High-speed multi-stage voltage comparator | Young Kyun Cho, Young-deuk Jeon, Jae Won Nam | 2011-07-12 |
| 7978117 | Multi-stage dual successive approximation register analog-to-digital convertor and method of performing analog-to-digital conversion using the same | Young-deuk Jeon, Young Kyun Cho, Jae Won Nam | 2011-07-12 |
| 7961128 | Pulse generator and continuous-time sigma-delta modulator | Yi-Gyeong KIM, Min-Hyung Cho | 2011-06-14 |
| 7928806 | Low voltage frequency synthesizer using boosting method for power supply voltage of charge pump | Hui Dong Lee, Kwi Dong Kim, Jong Pil Hong, Sang-Gug Lee | 2011-04-19 |
| 7893860 | Successive approximation register analog-digital converter and method of driving the same | Young Kyun Cho, Young-deuk Jeon, Jae Won Nam | 2011-02-22 |
| 7847713 | Algorithmic analog-to-digital converter | Jae Won Nam, Young-deuk Jeon, Young Kyun Cho | 2010-12-07 |