Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339658 | Method and a device for monitoring and minimizing light losses at a splicing location for glass fiber cables | Hans Unterberger | 1982-07-13 |
| 4326298 | Arrangement for signaling in a voice communication system with optically fed components | Helmut Lagger | 1982-04-20 |
| 4322978 | Optical device for measuring slight pressure differences by means of light intensity changes | — | 1982-04-06 |
| 4322979 | Optical device for measuring slight differences of pressure by means of a change in light intensity | — | 1982-04-06 |