Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12268485 | Photoplethysmogram circuit, biological characteristics detection device and biological characteristics detection method | Si Herng Ng | 2025-04-08 |
| 11575357 | Amplifier circuit, chip and electronic device | — | 2023-02-07 |
| 11456709 | Transconductance amplifier and chip | — | 2022-09-27 |
| 11456850 | Asynchronous sampling architecture and chip | Hsin-Min Wang, Ju Chieh Liu | 2022-09-27 |
| 11444642 | Mobile terminal for expanding bandwidth of LTE B41 frequency band, and method thereof | — | 2022-09-13 |
| 11245413 | Data converter and related analog-to-digital converter, digital-to-analog converter and chip | Si Herng Ng | 2022-02-08 |
| 11190098 | Voltage booster circuit and related circuit, chip and wearable device | — | 2021-11-30 |
| 11043961 | Analog-to-digital converter and associated chip | Si Herng Ng | 2021-06-22 |
| 10819291 | Operational amplifier and control method thereof | Si Herng Ng | 2020-10-27 |
| 10727739 | Charge pump circuit and controlling method thereof | Si Herng Ng | 2020-07-28 |
| 10707887 | Vector quantization digital-to-analog conversion circuit for oversampling converter | — | 2020-07-07 |
| 10615688 | Charge pump circuit and controlling method thereof | Si Herng Ng | 2020-04-07 |
| 10491229 | Vector quantization digital-to-analog conversion circuit for oversampling converter | — | 2019-11-26 |
| 10084474 | Noise shaping circuit and sigma-delta digital-to-analog converter | — | 2018-09-25 |
| 9031516 | Apparatus and method for impedance adjustment | — | 2015-05-12 |
| 8411142 | Intellectual surveillance system and monitoring method thereof | Che-Yen Lee, Julian Lin | 2013-04-02 |
| 8284925 | Jack detection circuit | Jui-Yuan Tsai, Wei-Cheng Tang | 2012-10-09 |
| 8026977 | Switching mechanism for video camera | Tai-Kuo Wang, Julian Lin | 2011-09-27 |
| 7965934 | Switching mechanism for camera device | Tai-Kuo Wang, Julian Lin | 2011-06-21 |
| 7918613 | Switching mechanism for camera | Tai-Kuo Wang, Julian Lin | 2011-04-05 |
| 7868807 | Data weighted average circuit and dynamic element matching method | Chang-Shun Liu, Yi-Chang Tu | 2011-01-11 |
| 7697697 | Apparatus for automatic identification of audio input/output device and method thereof | Chu-Ting Su, Yi-Shu Chang | 2010-04-13 |
| 7633418 | Sigma-delta modulator and an output rate reduction method thereof | — | 2009-12-15 |
| 7583213 | Signal processing system capable of changing signal levels | Bing-I Chang | 2009-09-01 |
| 7548121 | Fractional frequency synthesizer and phase locked loop utilizing fractional frequency synthesizer and method thereof | Tze-Chien Wang | 2009-06-16 |