Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365323 | Optic read unit for scanning a record carrier having a radiation-reflecting information structure | Jacobus P. J. Heemskerk, Kornelis A. Immink | 1982-12-21 |
| 4358200 | Optical focussing-error detection system | Jacobus P. J. Heemskerk, Hendrik Renes | 1982-11-09 |
| 4337535 | Device for preventing unwanted reflections from an optical system to a laser in an apparatus for optically reading a record carrier | Everardus A. Van Megen, Eduard W. Moen | 1982-06-29 |