Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6366036 | Arrangement for coupling out an output current from a load current and for gaining a control value to control the load current | Ralf Beier, Axel Nathe | 2002-04-02 |
| 6005792 | Circuit arrangement for a memory cell of a D/A converter | Friedrich Hahn, Peter Rolla, Ralf Beier, Axel Nathe | 1999-12-21 |
| 5343165 | Amplifier having a symmetrical output characteristic | Axel Nathe, Paul Sonnenberger | 1994-08-30 |
| 5279295 | Non-invasive oximeter arrangement | Gerhard Martens, Thomas Helzel | 1994-01-18 |
| 5231351 | Magnetoresistive speed sensor processing circuit utilizing a symmetrical hysteresis signal | Georg Kisters, Michael Ramm | 1993-07-27 |
| 5038029 | Optical sensor arrangement including polarization-altering sensor | Gerhard Martens | 1991-08-06 |
| 5004912 | Fiber-optical pressure sensor with contacting lightwave conductors | Gerhard Martens, Georg Weidinger | 1991-04-02 |
| 5000048 | Circuit arrangement for temperature compensation of capacitive pressure and differential pressure sensors | — | 1991-03-19 |
| 4947033 | Voltage/frequency converter and its use in an optical wave guide transmission arrangement | Gerald K. G. Finck | 1990-08-07 |
| 4866436 | Device for transmitting measurement values of a sensor | Joachim Gensel, Gerhard Martens | 1989-09-12 |
| 4864648 | Method of transmitting a group at least two measured values through an optical transmission path | Reiner U. Orlowski, Ingobert H. Gorlt, Gerhard Martens | 1989-09-05 |
| 4850698 | Method of determining measuring data on an optical transmission path by means of optical sensor | Gerhard Martens | 1989-07-25 |
| 4793187 | Circuit arrangement for the compensation of temperature-dependent and temperature-independent drift and for the compensation of the sensitivity of a capacitive sensor | — | 1988-12-27 |
| 4794249 | Optical time domain reflectometer with heterodyne reception | Friedrich-Karl Beckmann, Wolfgang Hoppe, Reinhard Knochel | 1988-12-27 |
| 4664129 | Optical movement sensor | Thomas Helzel, Gerhard Martens | 1987-05-12 |