Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D391276 | Auger boring head plug | — | 1998-02-24 |
| 5654947 | Method for recording information on a record carrier having a track which is transversely modulated in accordance with an auxiliary signal including address codes and auxiliary codes, and a method for producing the track | Paulus C. M. Van Der Zande | 1997-08-05 |
| 5581529 | Combination of a recording arrangement and a source selection arrangement | Reinder Haakma | 1996-12-03 |
| 5546365 | Record carriers containing a user's preferred order of reproduction of items of information included therein, and apparatus for use with and/or for creating such record carriers | — | 1996-08-13 |
| 5465909 | Talking contribution box | — | 1995-11-14 |
| 5463607 | System for recording and reading information on a record carrier at a constant scanning speed independent of the bit rate of such information | Johannes C. Van Offenbeek | 1995-10-31 |
| 5453968 | Methods of and information recording devices for recording and/or inhibiting recording of an information signal having copy bits with logic values which alternate in accordance with a pattern | Hindrik Veldhuis, Jacobus P. J. Heemskerk | 1995-09-26 |
| 5428598 | Record carrier with copy bits | Hindrik Veldhuis, Jacobus P. J. Heemskerk | 1995-06-27 |
| 5418764 | Recording device, a record carrier having preformatted address codes and auxiliary codes providing control data for use by the recording device, and an information recording system including both the recording device and the record carrier | Paulus C. M. Van Der Zande | 1995-05-23 |
| 5347767 | Fire retardant sleeve | — | 1994-09-20 |
| 5212678 | System for recording and reading information on a record carrier at a constant scanning speed independent of the bit rate of such information | Johannes C. Van Offenbeek | 1993-05-18 |
| 5187699 | Method and apparatus for successively recording two EFM-modulated signals enabling detection of boundary condition for transitioning between signals | Wilhelmus P. M. Raaymakers, Johannes J. Mons | 1993-02-16 |
| 5124966 | Method for recording data signals on an inscribable record carrier and reading device for the record carrier | Paulus C. M. Van Der Zande | 1992-06-23 |
| 5065388 | Method and apparatus for recording on a record carrier a table of contents identifying all the recorded data signals | Paulus C. M. Van Der Zande | 1991-11-12 |
| 5065389 | Information recording and read device, information recording device, and record carrier obtained by means of one of the device | — | 1991-11-12 |
| 5060219 | Recording system for recording only those types of information which are specified by the record carrier | Gerardus C. P. Lokhoff, Wilhelmus P. M. Raaymakers | 1991-10-22 |
| 4643577 | Length measuring apparatus based on the dual laser beam interferometer principle | Claus Werckmeister | 1987-02-17 |