Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835441 | Absolute distance measurement apparatus and method using laser interferometric wavelength leverage | Liping Yan, Shihua Zhang | 2017-12-05 |
| 9797705 | Laser heterodyne interferometric signal processing method based on locking edge with high frequency digital signal | Enzheng Zhang, Liping Yan | 2017-10-24 |