Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12047038 | Reconfigurable crystal oscillator and method for reconfiguring crystal oscillator | Keng-Meng Chang, Sen-You Liu | 2024-07-23 |
| 11671056 | Crystal oscillator and phase noise reduction method thereof | Sen-You Liu, Chien-Wei Chen, Keng-Meng Chang | 2023-06-06 |
| 11606063 | Crystal oscillator and phase noise reduction method thereof | Chien-Wei Chen, Yu-Li Hsueh, Keng-Meng Chang | 2023-03-14 |
| 11462984 | Linear vibration motor | Zhiyong Cui, Yun Tang, Jie Ma | 2022-10-04 |
| 11404987 | Motor and driving device using same | Kejia Liu | 2022-08-02 |
| 11387781 | Fast start-up crystal oscillator and fast start-up method thereof | Keng-Meng Chang, Yanjie Mo, Sen-You Liu, Chun-Ming Lin | 2022-07-12 |
| 11342884 | Crystal oscillator and phase noise reduction method thereof | Chien-Wei Chen, Yu-Li Hsueh, Keng-Meng Chang | 2022-05-24 |
| 11309835 | Crystal oscillator and phase noise reduction method thereof | Sen-You Liu, Chien-Wei Chen, Keng-Meng Chang | 2022-04-19 |
| 10826429 | Compensation module, oscillation circuit, and associated compensation method capable of reducing sensitivity of output oscillation signal | Keng-Meng Chang, Yun-Chen Chuang | 2020-11-03 |
| 10164574 | Method for generating a plurality of oscillating signals with different phases and associated circuit and local oscillator | Yueh-Ting Lee, Sheng-Che Tseng | 2018-12-25 |
| 9906209 | Biased impedance circuit, impedance adjustment circuit, and associated signal generator | Keng-Meng Chang | 2018-02-27 |
| 9819295 | Time control system and time control method for multiple motors | Xiaofei Hu, Hongxing Wang | 2017-11-14 |
| 9806655 | Signal generating method for accurately controlling a motor | Xiaofei Hu, Hongxing Wang | 2017-10-31 |
| 9748884 | Multi-motor frequency control system and control method thereof | Xiaofei Hu, Hongxing Wang | 2017-08-29 |
| 9716458 | Multi-motor driving device and method for driving same | Xiaofei Hu, Hongxing Wang | 2017-07-25 |
| 9705508 | Circuit system adaptively adjusting supply voltage according to temperature and operating method thereof | — | 2017-07-11 |
| 9531358 | Signal generating system and signal generating method | Sheng-Che Tseng | 2016-12-27 |
| 9479184 | Frequency calibration apparatus of phase locked loop and method thereof | Ming-Yu Hsieh, Shih-Chieh Yen | 2016-10-25 |
| 9391562 | Local oscillation generator, associated communication system and method for local oscillation generation | Chih-Ming Hung, Keng-Meng Chang, Chih-Wei Chang | 2016-07-12 |
| 9300507 | Local oscillation generator and associated communication system and method for local oscillation generation | Keng-Meng Chang | 2016-03-29 |
| 9257992 | Communication device and control method thereof | Chih-Ming Hung, Yueh-Ting Lee, Cheng-Chieh Lin, Shih-Chieh Yen | 2016-02-09 |
| 9219627 | Circuit and method for transmitting or receiving signal | Shih-Chieh Yen | 2015-12-22 |
| 9071255 | Phase locked loop and associated phase alignment method | Cheng-Chieh Lin, Jian Ding | 2015-06-30 |
| 8988120 | Frequency multiplier and signal frequency-multiplying method | Shu-Wei Chu | 2015-03-24 |
| 8890585 | Frequency multiplier and associated method | Jian Ding, Shih-Chieh Yen, Ming-Yu Hsieh | 2014-11-18 |