Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11255655 | Differential sinusoidal phase modulation laser interferometric nanometer displacement measuring apparatus and method | Liping Yan, Yingtian Lou, Jiandong Xie | 2022-02-22 |
| 11231268 | Sinusoidal frequency sweeping interferometric absolute distance measurement apparatus and method with dynamic offset frequency locking | Jiandong Xie, Liping Yan | 2022-01-25 |