Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7099238 | Method of reproducing data in which an accelerated selection may be possible of storage media to be reproduced or to be rejected by a playback device | Volker Becker, Holger Zimmermann | 2006-08-29 |
| 7065007 | Method and a playback device for performing a track slip | Holger Zimmermann, Volker Becker, Jens Maier | 2006-06-20 |
| 6532200 | Voltage supply adaptable to current highest voltage demand | Thomas Freitag, Holger Zimmermann | 2003-03-11 |
| 6463017 | Disc player for playing discs with optically stored data | — | 2002-10-08 |
| 6219315 | Method of regulating the focusing and guiding of a light beam | Willy Buchs, Roland Cochard, Pierre Jeannin | 2001-04-17 |
| 5905313 | Electrical system usable for car radio and CD changer | Wilhelm Woehl | 1999-05-18 |
| 5867461 | Optical recording and reproducing apparatus with servo compensation for detected defects and external shocks | — | 1999-02-02 |
| 5452276 | Tracking regulation circuit including apparatus for disabling coarse drive signals | — | 1995-09-19 |
| 5450388 | Method for correcting tracking errors in a disc record reproduction apparatus | — | 1995-09-12 |
| 5448549 | Process for stopping a rotating disc-shaped record medium | — | 1995-09-05 |
| 5384759 | Method of reading data off a rotating recording medium | — | 1995-01-24 |
| 5248888 | Process for positioning a record changing device having reflective markers | — | 1993-09-28 |
| 5235578 | Method for reducing access time in a CD-player with a memory by storing compressed index data | Hans-Robert Kuhn | 1993-08-10 |
| 5197053 | Compact disk reader | — | 1993-03-23 |
| 5136568 | Tracking circuit for guiding a beam of light along data tracks of a recorded medium | Friedrich Fuldner, Arthur Kurz | 1992-08-04 |
| 5134599 | Equipment for playing back data | — | 1992-07-28 |
| 5134603 | Insertion/removal arrangement for a recording carrier | — | 1992-07-28 |
| 5001689 | Method of partitioning the memory in a CD-player in order to reduce access time to the disk | Hans-Robert Ku/ hn | 1991-03-19 |
| 4924454 | Servo apparatus with offset compensation | — | 1990-05-08 |
| 4907213 | Compact-disk player arrangement for reading out a table of contents after insertion of a compact disk | — | 1990-03-06 |
| 4847821 | Process for searching for a track on a rotating plate-like information support and circuit for performing the process | — | 1989-07-11 |
| 4845698 | Method of skipping tracks while searching for a track and circuitry for carrying out the method | — | 1989-07-04 |
| 4809253 | Focus control through detection of the rate of error in discs with a control signal inversely dependent on the error rate | Arthur Kurz | 1989-02-28 |
| 4803676 | Circuitry for an audio or video disk player | — | 1989-02-07 |
| 4796249 | System to ascertain the scanning speed of audio disks with contactless scanning | — | 1989-01-03 |