Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300527 | Method for detecting lens cleanliness using spectral differential flat field correction | Jiang He, Wei Zhou, Peihong Bai | 2022-04-12 |
| 11268880 | Method of detecting the cleanliness of a lens using differential flat field correction of pupil incidence | Jiang He, Wei Zhou, Weida Liu | 2022-03-08 |
| 11255798 | Method of detecting lens cleanliness using out-of-focus differential flat field correction | Jiang He, Wei Zhou, Bin Zhang | 2022-02-22 |