Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885457 | Rotary position measuring system | Wolfgang Holzapfel | 2005-04-26 |
| 6621104 | Integrated optoelectronic thin-film sensor and method of producing same | Peter Speckbacher | 2003-09-16 |
| 6605828 | Optoelectronic component with a space kept free from underfiller | Günter Schwarzrock, Reiner Burgschat, Andreas Schmidt, Wolfgang Brode, Wolfgang Holzapfel +1 more | 2003-08-12 |
| 6486467 | Optical detector for measuring relative displacement of an object on which a grated scale is formed | Peter Speckbacher | 2002-11-26 |
| 5880882 | Scale and method for making a scale | Georg Flatscher | 1999-03-09 |
| 5760959 | Interferential position measuring device with three detectors | Walter Huber | 1998-06-02 |
| 5631736 | Absolute interferometer measuring process and apparatus having a measuring interferometer, control interferometer and tunable laser | Jurgen Thiel, Andreas Franz | 1997-05-20 |
| 5559599 | Graduation scale having a continuous planar surface with a protective diffusion barrier layer thereon | — | 1996-09-24 |
| 5521704 | Apparatus and method for measuring absolute measurements having two measuring interferometers and a tunable laser | Jurgen Thiel, Andreas Franz | 1996-05-28 |
| 5396328 | Waveguide type displacement interferometer having two reference paths | Dieter Jestel, Andreas Franz | 1995-03-07 |
| 5333048 | Polarizing interferometric displacement measuring arrangement | Erwin Spanner | 1994-07-26 |
| 5162869 | Apparatus and method having at least one waveguide coupler to create at least two signals having a mutual phase shift not equal to 180 degrees | Andreas Franz | 1992-11-10 |
| 5113066 | Integrated optical sensor arrangement with detecting means, and means for controlling the optical emission wavelength of the light beam source | Andreas Franz | 1992-05-12 |
| 5079418 | Position measuring apparatus with reflection | Erwin Spanner | 1992-01-07 |
| 5061073 | Photoelectric position measuring arrangement | — | 1991-10-29 |
| 5001340 | Angle measuring arrangement | Ernst Schwefel, Olivier Pariaux | 1991-03-19 |
| 4988864 | Photoelectric angle measuring device with adjacent order interference | Walter Huber | 1991-01-29 |
| 4955718 | Photoelectric measuring system with integrated optical circuit including and illuminating system | — | 1990-09-11 |
| 4923300 | Defraction photoelectric position measuring system | Olivier Parriaux, Guy Voirin | 1990-05-08 |
| 4843237 | Photoelectric length and angle measuring device | — | 1989-06-27 |
| 4778273 | Photoelectric measuring system | — | 1988-10-18 |
| 4766310 | Photoelectric position measuring instrument with grids | — | 1988-08-23 |
| 4677293 | Photoelectric measuring system | — | 1987-06-30 |
| 4512083 | Measuring apparatus | Walter Schmitt | 1985-04-23 |
| 4505580 | Method and apparatus for generating exposure masks | — | 1985-03-19 |