Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12059879 | Double belt press laminating machine with edge strip bands for manufacturing waterproofing membranes | Michael Konrad, Bruno Bauer | 2024-08-13 |
| 5103349 | Process for directly copying frequency modulated video signals from magnetic tape to magnetic tape | — | 1992-04-07 |
| 4843489 | Detection and verification of lapses or shifts of synch words in PCM data | Werner Staude | 1989-06-27 |
| 4638382 | Push-pull amplifier and method for operation, particularly recording amplifier for video tape recorders | — | 1987-01-20 |
| 4547816 | Method of recording digital audio and video signals in the same track | — | 1985-10-15 |
| 4524396 | Playback preamplifier for magnetic tape recordings | Axel Schulz | 1985-06-18 |
| 4491861 | Two-channel transmission or storage method for digital color television signals | — | 1985-01-01 |
| 4485399 | Method and apparatus approximately correcting errors in a digital video signal | Axel Schulz | 1984-11-27 |
| 4473850 | Method and apparatus for recording digitally coded television signals | Hubert Foerster, Reinhard Kutzner, Richard Heinz | 1984-09-25 |
| 4413236 | Circuit for deriving a timing signal from digital imput signals | — | 1983-11-01 |
| 4360781 | Circuit for producing timing pulses in the regeneration of square signals | — | 1982-11-23 |
| 4330795 | Method of recording television signals | Hubert Foerster | 1982-05-18 |
| 4300172 | Playback system with amplitude correction for frequency modulated signals | Winfried Horstmann, Hubert Foerster | 1981-11-10 |
| 4296444 | Inductive signal transducer supply circuit particularly for video recording use | — | 1981-10-20 |
| 4276559 | System for generating an error signal indicative of differences between recording and playback speeds | Hubert Foerster, Winfried Horstmann | 1981-06-30 |