Jia; Qingwei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jia; Qingwei.The latest application filed is for "random vibration and shock compensator using a disturbance observer".
- Jia; Qingwei - Singapore N/A SG
| Patent | Date |
|---|---|
| Disk drive measuring a resonance mode by injecting sinusoids into a servo control system Grant 9,052,701 - Jia , et al. June 9, 2 | 2015-06-09 |
| Random vibration and shock compensator using a disturbance observer Grant 7,319,570 - Jia , et al. January 15, 2 | 2008-01-15 |
| Adaptive voltage-mode controller for a voice coil motor Grant 7,199,964 - Liu , et al. April 3, 2 | 2007-04-03 |
| Random vibration and shock compensator using a disturbance observer App 20070064334 - Jia; QingWei ; et al. | 2007-03-22 |
| Adaptive voltage-mode controller for a voice coil motor App 20070013337 - Liu; KeXiu ; et al. | 2007-01-18 |
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