| 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 |