Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445239 | Bus coupling with amplitude-controlled transmission circuit | — | 2002-09-03 |
| 6172515 | Bus coupler with transformer-free transmission | — | 2001-01-09 |
| 6049447 | Current limiting device | Helmut Roesch | 2000-04-11 |
| 6046516 | Electronic switch for use with inductive loads | Reinhard Maier, Heinz Mitlehner | 2000-04-04 |
| 5999387 | Current limiting device | Helmut Roesch | 1999-12-07 |
| 5943366 | Method of generating A.C. information for a bus system, and transmission unit for carrying out the method | — | 1999-08-24 |
| 5880506 | Solid-state switching element with two source electrodes and solid-state switch with such an element | Reinhard Maier, Heinz Mitlehner, Ingeborg Zierhut | 1999-03-09 |
| 5808327 | AC controller | Reinhard Maier, Heinz Mitlehner | 1998-09-15 |
| 5801583 | Coilless bus coupler for an on-board power supply | — | 1998-09-01 |
| 5621344 | Circuit arrangement for coupling a first electric signal into a second electric signal | — | 1997-04-15 |
| 5546419 | Bus coupler | — | 1996-08-13 |
| 5459429 | Drive for a symmetrical bipolar transistor | — | 1995-10-17 |
| 5153448 | Information separation device | — | 1992-10-06 |
| 5081440 | Bus coupler | Hans-Willi Ott | 1992-01-14 |
| 5019730 | Information separation device | — | 1991-05-28 |
| 5020154 | Transmission link | — | 1991-05-28 |
| 4827133 | Infrared space surveillance detector circuit | — | 1989-05-02 |
| 4795905 | Circuit layout for an infrared room surveillance detector | — | 1989-01-03 |
| 4702449 | Cardan ball suspension for motion sensor | — | 1987-10-27 |
| 4670655 | Alarm apparatus for spatial surveillance | — | 1987-06-02 |
| 4645930 | Motion detector | — | 1987-02-24 |
| 4625113 | Motion detector having sensing means which determine the shape of the field of sensitivity | — | 1986-11-25 |
| 4529874 | Motion detector for space surveillance | — | 1985-07-16 |
| 4479056 | Motion detector for space surveillance | — | 1984-10-23 |