Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884148 | Circuit employing a plurality of counters and an interpolator for converting a video signal into a binary signal | Osamu Ishikawa, Yoshimi Suzuki | 1989-11-28 |
| 4853793 | Circuit for converting a video signal produced by a line image sensor into a binary signal on the basis of reference levels determined for sections of the line image sensor using respective counters | Osamu Ishikawa, Yoshimi Suzuki | 1989-08-01 |