Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6995836 | Angle measuring system | Sebastian Tondorf, Jan Braasch, Volker Seyfried, Wolfgang Holzapfel | 2006-02-07 |
| 6535290 | Optical position measuring device with a beam splitter | Erwin Spanner | 2003-03-18 |
| 6265992 | Position measuring system and method for operating a position measuring system | Rainer Hagl, Mathias Hausschmid, Erwin Spanner, Johann Streitwieser | 2001-07-24 |
| 6097318 | Position measuring system and method for operating a position measuring system | Rainer Hagl, Mathias Hausschmid, Erwin Spanner, Johann Streitwieser | 2000-08-01 |
| 5631736 | Absolute interferometer measuring process and apparatus having a measuring interferometer, control interferometer and tunable laser | Dieter Michel, Andreas Franz | 1997-05-20 |
| 5596410 | Interferometer system and method for controlling the activation of a regulating interferometer in response to an output signal | Peter Hantel | 1997-01-21 |
| 5521704 | Apparatus and method for measuring absolute measurements having two measuring interferometers and a tunable laser | Dieter Michel, Andreas Franz | 1996-05-28 |