Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12007250 | Variable synthetic wavelength absolute distance measuring device locked to dynamic sideband and method thereof | Liping Yan, Benyong CHEN | 2024-06-11 |
| 11255655 | Differential sinusoidal phase modulation laser interferometric nanometer displacement measuring apparatus and method | Liping Yan, Benyong CHEN, Yingtian Lou | 2022-02-22 |
| 11231268 | Sinusoidal frequency sweeping interferometric absolute distance measurement apparatus and method with dynamic offset frequency locking | Benyong CHEN, Liping Yan | 2022-01-25 |
| 11168975 | Phase delay extraction and compensation method in PGC phase demodulation technology | Benyong CHEN, Liping Yan | 2021-11-09 |
| 10992666 | Identity verification method, terminal, and server | Feiyue Huang, Jilin Li, Guofu Tan, Xiaoli Jiang, Dan Wu +4 more | 2021-04-27 |
| 10432624 | Identity verification method, terminal, and server | Feiyue Huang, Jilin Li, Guofu Tan, Xiaoli Jiang, Dan Wu +4 more | 2019-10-01 |