Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8674604 | Activation module for a gas discharge lamp | Anton Duschl, Roman Schichl | 2014-03-18 |
| 6006726 | Method and device for cylinder recognition in an internal combustion engine | Ekkehard Kollmann, Roman Schichl | 1999-12-28 |
| 5767918 | Television receiver with a deflecting oscillator that has the additional function of controlling line generators that superimpose alphanumeric and/or graphic characters on the screen | Uwe Hartmann, Fritz Ohnemus | 1998-06-16 |
| 5682860 | Device and method for ignition detection | Ekkehard Kollmann, Roman Schichl | 1997-11-04 |
| 5505175 | Ignition system for internal combustion engine | Ekkehard Kollmann, Johann Wandl | 1996-04-09 |
| 5447136 | Ignition system for internal combustion engines | Ingrid Hartmann | 1995-09-05 |
| 5199394 | Circuit arrangement for electronic control of an internal combustion engine | Uwe Hartmann | 1993-04-06 |
| 5113839 | Ignition system for an internal combustion engine | Uwe Hartmann, Roman Schichl | 1992-05-19 |
| 5015915 | Method of compensating for the earth's magnetic field in a picture tube | Uwe Hartmann | 1991-05-14 |
| 4992872 | Method of synchronizing the horizontal deflection of electron beams in television receivers | Uwe Hartmann, Fritz Ohnemus | 1991-02-12 |
| 4973930 | Twin coil | Uwe Hartmann | 1990-11-27 |
| 4912617 | Switch mode power supply with separately regulated secondary voltage | Uwe Hartmann | 1990-03-27 |
| 4896214 | Television receiver with a micro-computer controlled operating part and a switching network part | Franz Dieterle, Erich Geiger, Uwe Hartmann | 1990-01-23 |
| 4891707 | Television receiver with a controlled, line-separating, switched external-power supply | Franz Dieterle, Uwe Hartmann | 1990-01-02 |
| 4868662 | External-power stage | Uwe Hartman, Michel van den Driesche, Philippe Maige | 1989-09-19 |
| 4864406 | Television receiver with a synchronized external-power stage | Uwe Hartmann | 1989-09-05 |
| 4860102 | Circuitry for automatically switching the control speed of a phase-control circuit | Franz Dieterle, Uwe Hartmann | 1989-08-22 |
| 4849818 | Television receiver with receiving devices for processing videotext and teletext signals | Uwe Hartmann, Fritz Ohnemus | 1989-07-18 |
| 4835610 | Arrangement for automatic switching of the regulating speed of a phase regulating circuit | Franz Dieterle, Uwe Hartmann | 1989-05-30 |
| 4814672 | Circuitry for limiting an operating voltage obtained by way of a rectifier from a secondary winding of a transformer | Franz Dieterle, Uwe Hartmann | 1989-03-21 |
| 4795947 | Device for eliminating the interline flicker | Gunter Gleim, Uwe Hartmann, Fritz Ohnemus | 1989-01-03 |
| 4727464 | Deflection mains-supply concept for television sets | Uwe Hartmann | 1988-02-23 |
| 4469992 | Circuit for correcting east-west pincushion distortions | Jean C. Favreau, Uwe Hartmann | 1984-09-04 |