Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875131 | Circuit configuration for monitoring a semiconductor structural element and providing a signal when the temperature exceeds a predetermined level | Ludwig Leipold, Rainald Sander, Roland Weber | 1989-10-17 |
| 4859875 | Optocoupler for power FET | Roland Weber | 1989-08-22 |
| 4801824 | Integrable buffer circuit for voltage level conversion having clamping means | Christine Fellinger, Josef Einzinger, Ludwid Leipold, Roland Weber | 1989-01-31 |