Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5872749 | Arrangement for reading an optically readable carrier | — | 1999-02-16 |
| 5373500 | Optical readable carrier with diffractive tracks containing information bearing irregularity | — | 1994-12-13 |
| 5307332 | Optical disk arrangement with diffractive tracks and a photoelectric assembly providing positional control information | — | 1994-04-26 |
| 5182743 | Optical disk arrangement with diffractive tracks allowing positional control | — | 1993-01-26 |
| 5175725 | Optical disk arrangement with closed contours whose entire extent represents information | — | 1992-12-29 |
| 5132952 | System for reproducing pulse time modulated wave forms stored along a diffractive track | — | 1992-07-21 |
| 5126989 | Arrangement for reading an optically readable light reflective carrier | — | 1992-06-30 |
| 5016235 | Arrangement for reading an optically readable light reflective carrier | — | 1991-05-14 |
| 4989193 | Optical arrangement and a reading apparatus | — | 1991-01-29 |
| 4961183 | Optical disk arrangement with closed contours whose entire extent represents information | — | 1990-10-02 |
| 4868808 | Optical disk arrangement with closed contours whose entire extent represents information | — | 1989-09-19 |
| 4856108 | Optical arrangement and a reading apparatus including detection of data elements diffractive along entire extent | — | 1989-08-08 |
| 4491940 | System for reproducing pulse time modulated waveforms stored along a diffractive track | — | 1985-01-01 |
| 4337484 | Apparatus for the transcription of a video disk onto a cenefilm | Georges Broussaud | 1982-06-29 |
| 4334007 | Process of making an optically recordable and readable information carrier and the carrier obtained by this process | Claire Lemonon | 1982-06-08 |
| 4288510 | Process of making an optically recordable and readable information carrier and the carrier obtained by this process | Claire Lemonon | 1981-09-08 |
| 4252889 | Process of making an optically recordable and readable information carrier and the carrier obtained by this process | Claire Lemonon | 1981-02-24 |