| 4972403 |
Record carrier body with an optical servo track and optical apparatus for writing and reading information from the carrier |
Gerard E. Van Rosmalen |
1990-11-20 |
| 4870508 |
Record carrier body with an optical servo track and optical apparatus for writing and reading information from the carrier |
Gerard E. Van Rosmalen |
1989-09-26 |
| 4773055 |
Videodisc focusing and tracking servo |
Wilhelmus A. H. Gijzen, Bob Hoekstra, Gerard E. Van Rosmalen |
1988-09-20 |
| 4410877 |
Method of coding data bits on a recording medium, arrangement for putting the method into effect and recording medium having an information structure |
Marino G. Carasso, Johannes J. Mons |
1983-10-18 |
| 4363116 |
Method, apparatus and record carrier body for optically writing information |
Gerrit B. Gerritsen, Johannes J. Verboom |
1982-12-07 |
| 4193091 |
Optical videodisc read unit with tracking and focussing wobblers |
Gerard E. Van Rosmalen, Martinus P. M. Bierhoff, Kornelis A. Immink |
1980-03-11 |
