Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8767289 | Laser device comprising means for controlling the phase of a large number of coherent sources | Jean-Pierre Huignard, Cindy Bellanger, Arnaud Brignon | 2014-07-01 |
| 7460456 | Radial control method for a device for reproducing information of an optical disk, and reproduction device for carrying out said method | Jean-Claude Lehureau | 2008-12-02 |
| 6977875 | Tracking system for recording/reading a data medium and recording medium | Christian Claudepierre, Michel Audoin | 2005-12-20 |
| 5986834 | Clock circuit for the reading of sequentially recorded information elements in a multitrack recording system | Michel Audoin | 1999-11-16 |
| 5963525 | Process for reading information | Michel Audoin, Charaf Hanna, Mario De Vito | 1999-10-05 |
| 5920448 | Matrix type recording/reading head with zigzag structure | — | 1999-07-06 |
| 5894386 | Magnetic write/read head having at least two conductors crossing a gap at different portions thereof so that each conductor determines the width of an information element | — | 1999-04-13 |
| 5838743 | System for serial reception or reading of information | Michel Audoin | 1998-11-17 |
| 5812333 | System for the reading of a multitrack recording medium for enabling the reading of a number of information samples on the width of each track | — | 1998-09-22 |
| 5796710 | Information recording medium encoded to enable track following and method of recording | François Maurice, Charaf Hanna, Michel Sonrier | 1998-08-18 |
| 5703845 | Reading device with cross-talk correction of two signal trains | Michel Audoin, Bertrand Moreau | 1997-12-30 |
| 5640285 | Information recording medium encoded to enable track following | François Maurice, Charaf Hanna, Michel Sonrier | 1997-06-17 |
| 5546255 | Integrated recording magnetic head | — | 1996-08-13 |
| 5493553 | Method and apparatus for preventing cross-talk during reproduction of data recorded on a high density recording medium | François Maurice, Michel Sonrier, Charaf Hanna | 1996-02-20 |
| 5459619 | Method of reading recording data and a read system | Jean-Claude Lehureau | 1995-10-17 |
| 5420734 | Multitrack read head having a matrix network of elementary magneto-resistive heads | Jean-Marc Coutellier | 1995-05-30 |
| 5335120 | Device for reading a set of resistive elements featuring interrogation and voltage stabilization circuits | Thierry Valet | 1994-08-02 |
| 5282104 | Magnetic reading device with read head matrix network | Jean-Marc Coutellier, Thierry Valet, Francois-Xavier Pirot | 1994-01-25 |
| 5227938 | High resolution magneto-optic read head | Sophie Neubert | 1993-07-13 |
| 5189579 | Multiple-track recording magnetic head with compact matrix structure | — | 1993-02-23 |
| 5063467 | Magnetic head with saturable gap and matrix device comprising a multiplicity of such heads | Jurgen Machui | 1991-11-05 |
| 4816908 | Color video projector with a convergence adjustment device which imposes an automatic sequence of multi-zone convergence adjustment steps | Hossein Ahmari | 1989-03-28 |
| 4706115 | Geometry adjustment circuit for a color video projector producing vertical amplitude, vertical linearity and horizontal trapezoid correction signals from a single user-controlled signal | Hossein Ahmari | 1987-11-10 |
| 4621281 | Video image projecting system with separate projecting devices for projecting a background component and sharp contours of an image | — | 1986-11-04 |
| 4438375 | Electric circuit for converting an AC voltage into a DC voltage or a voltage variable at a lower frequency | Jean Y. Maheo | 1984-03-20 |