Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11595127 | Power-over-fiber system and method for operating a power-over-fiber system | Andreas Ziegler | 2023-02-28 |
| 11187730 | Probe head, probe coupler and probe arrangement | Andreas Ziegler, Dirk Gehrke, Reiner Franke, Martin Peschke | 2021-11-30 |
| 10545175 | Electrical measurement system and method for establishing a desired total offset | Alexander Kunze, Andreas Ziegler, Gottfried Czech, Mirko Soellner | 2020-01-28 |
| 10031537 | Differential probe with common-mode offset | Martin Peschke, Alexander Kunze, Andreas Ziegler | 2018-07-24 |
| 8948347 | Method and device for checking the connection of a positive supply voltage to a subscriber access line comprising a plurality of wires | Heike Diegel, Rudolf Dollinger, Bernhard Sieben | 2015-02-03 |
| 8107615 | Method and device for checking the function for inverting the polarity on a subscriber line comprising a plurality of wires | Heike Diegel, Rudolf Dollinger, Bernhard Sieben | 2012-01-31 |
| 6516054 | Method for adjusting current levels, which have been falsified by offset-current levels, in a subscriber line circuit | Rudolf Dollinger | 2003-02-04 |
| 6256765 | Method for checking groups of data formed from a plurality of bytes | — | 2001-07-03 |
| 6137667 | Circuit and method for triggering an over-voltage protection unit | Bernhard Sieben, Ludwig Dirscherl | 2000-10-24 |
| 6052437 | Subscriber terminal circuit for connecting an analog subscriber line to a digital switching center | Paul Kunisch | 2000-04-18 |
| 4720845 | Protective circuit for the overvoltage protection of a subscriber line interconnect circuit | Robert Lechner, Hans-Werner Rudolf | 1988-01-19 |
| 4715058 | Protective circuit for the overvoltage protection of a subscriber line interconnect circuit | Robert Lechner, Hans-Werner Rudolf | 1987-12-22 |