Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590401 | Capacitive proximity switch for evaluating minor changes in capacitance and method therefor | — | 2003-07-08 |
| 5777482 | Circuit arrangement and method for measuring a difference in capacitance between a first capacitance C.sub.1 and a second capacitance C.sub.2 | Reinhard Tielert | 1998-07-07 |
| 5629629 | Circuit arrangement for determining differences in capacitance | Reinhard Tielert | 1997-05-13 |