Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853788 | Automatic focusing circuit selectively using multiple focus evaluating curves having differing characteristics | Satoru Maeda | 1989-08-01 |
| 4853789 | Automatic focusing circuit using a two period detection interval to compensate for motion occurring within a field of view | Satoru Maeda | 1989-08-01 |
| 4841370 | Automatic focusing circuit for automatically matching focus in response to video signal | Satoru Maeda, Shunji Hirano | 1989-06-20 |