Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8089690 | Multistage fiber amplifier and method for adapting a pump power of a multistage fiber amplifier | — | 2012-01-03 |
| 7817921 | Determination of the amplified spontaneous emission in an optical fibre amplifier | Wolfgang Peisl | 2010-10-19 |
| 7627248 | Method for pre-emphasis of optical signals in a transmission system comprising add-drop-modules | Wolfgang Peisl | 2009-12-01 |
| 7596320 | Preemphasis of an optical wavelength multiplex signal | Erich Gottwald | 2009-09-29 |
| 7535632 | Compensation of gain variations in a multistage optical amplifier | — | 2009-05-19 |
| 7460784 | Method for preemphasising an optical multiplex signal | Christian Eder, Wolfgang Peisl | 2008-12-02 |
| 7453627 | Method for controlling the pump power of an optical amplifier | — | 2008-11-18 |
| 7379234 | Quality monitoring of an optical fiber amplifier | — | 2008-05-27 |
| 7295782 | Control method and optical data transmission path for compensating changes in SRS-induced power exchange | Guido Gentner, Anton Schex | 2007-11-13 |
| 7197210 | Method and device for determining and compensating for the tilting of the spectrum in an optical fiber of a data transmission path | Jörg-Peter Elbers, Andreas Färbert, Christoph Glingener, Christian Scheerer | 2007-03-27 |
| 7177074 | Circuit and method for safety shutdown of an optical amplifier | — | 2007-02-13 |
| 7088496 | Method for controlling a pump unit while optically amplifying a transmitted wavelength multiplex (WDM) signal | — | 2006-08-08 |
| 6798565 | Method and arrangement for compensating for cross phase modulation | — | 2004-09-28 |
| 6728027 | Bidirectional optical amplifier | — | 2004-04-27 |
| 6583923 | Optical fiber amplifier | — | 2003-06-24 |
| 4540907 | Alternator-rectifier unit with economical connections to wires embedded in a circuit board | Walter Hagenlocher, Werner Eschen, Istvan Ragaly, Heinz Scharpf, Jorg Streller +2 more | 1985-09-10 |