Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864522 | Process for the sampling of an electric signal varying over time and apparatus for the implementation and application of this process | Dieter Heimgartner, Meinolph Kaufmann | 1989-09-05 |
| 4812635 | Optoelectronic displacement sensor with correction filter | Meinolph Kaufmann, Karl Kloti, Jurgen Nehring | 1989-03-14 |
| 4804264 | Arrangement for time-resolved optical backscatter measurement at optical waveguides | Rolf Kirchhofer | 1989-02-14 |