Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769300 | Reducing the distortion of optical pulses caused by polarization mode dispersion in optical communication systems | Wolfgang Dultz, Leonid A. Beresnev, Erna Frins, Franko Kueppers, Joachim Vobian +1 more | 2010-08-03 |
| 7649610 | Method and device for reducing speckle formation on a projection screen | Wolfgang Dultz, Gisela Dultz, Leonid A. Beresnev | 2010-01-19 |
| 7468827 | Device for generating adding and subtracting digital sequences of optical pulses and method for secure transmission of information | Wolfgang Dultz, Leonid A. Beresnev, Gisela Dultz | 2008-12-23 |
| 7003665 | Method for the secure transmission of messages | Wolfgang Dultz, Eric Hildebrandt, Gisela Dultz | 2006-02-21 |
| 6986056 | Method and arrangement for generating binary sequences of random numbers | Wolfgang Dultz, Gisela Dultz, Eric Hildebrandt | 2006-01-10 |
| 6947193 | Optical phase modulator | Wolfgang Dultz, Leonid A. Beresnev, Gisela Dultz | 2005-09-20 |
| 6884990 | METHOD FOR CHANGING THE POLARIZATION OF AT LEAST ONE OF THE PHOTONS EMITTED FROM A PHOTON-PAIR SOURCE INTO VARIOUS PARTIAL PATHS OF RAYS, AND METHOD FOR OPTIONALLY GENERATING INDIVIDUAL PHOTONS OR PHOTON PAIRS IN AN OPTICAL CHANNEL | Wolfgang Dultz, Kay Michael Schmid, Helmar A. Becker | 2005-04-26 |
| 6813424 | Optical communications link | Wolfgang Dultz, Gisela Dultz, Erna Frins | 2004-11-02 |
| 6748081 | Quantum cryptography system for a secure transmission of random keys using a polarization setting method | Wolfgang Dultz, Leonid A. Beresnev, Eric Hildebrandt | 2004-06-08 |
| 6727491 | Sensor and method for detecting changes in distance | Wolfgang Dultz, Gisela Dultz, Erna Frins | 2004-04-27 |
| 6609139 | Method for generating a random number on a quantum-mechanical basis and random number generator | Wolfgang Dultz, Gisela Dultz, Eric Hildebrandt | 2003-08-19 |
| 6430345 | Method and device for producing a choice of either single photons or pairs of photons in an optical channel | Wolfgang Dultz, Gisela Dultz, Helmar A. Becker | 2002-08-06 |
| 6282333 | Method and device to compensate for polarization mode dispersion in an optical transmission link | Wolfgang Dultz, Leonid A. Beresnev, Bernhard Hils, Joachim Vobian | 2001-08-28 |
| 6249350 | Interferometer and methods for compensation of dispersion or increase in spectral resolution of such an interferometer | Wolfgang Dultz, Erna Frins, Bernd Hils | 2001-06-19 |