Inventor · disambiguated record
Heidrun Schmitzer
Also filed as: SCHMITZER HEIDRUN
14 granted patents·2 pending applications·274 citations·filing 1997–2004
93Inventor score
Top patents by PatentIndex Score
16 records- 0189US6609139B1Method for generating a random number on a quantum-mechanical basis and random number generatorDEUTSCHE TELEKOM AG·Filed 1999·Granted Aug 19, 2003·69 cites·25 claims
- 0284US6430345B1Method and device for producing a choice of either single photons or pairs of photons in an optical channelDEUTSCHE TELEKOM AG·Filed 2000·Granted Aug 6, 2002·56 cites·24 claims
- 0381US7649610B1Method and device for reducing speckle formation on a projection screenDEUTSCHE TELEKOM AG·Filed 2000·Granted Jan 19, 2010·18 cites·19 claims
- 0464US6947193B1Optical phase modulatorDEUTSCHE TELEKOM AG·Filed 2000·Granted Sep 20, 2005·9 cites·15 claims
- 0554US7003665B1Method for the secure transmission of messagesDEUTSCHE TELEKOM AG·Filed 1999·Granted Feb 21, 2006·34 cites·20 claims
- 0649US6986056B1Method and arrangement for generating binary sequences of random numbersDEUTSCHE TELEKOM AG·Filed 1998·Granted Jan 10, 2006·23 cites·11 claims
- 0748US6748081B1Quantum cryptography system for a secure transmission of random keys using a polarization setting methodDEUTSCHE TELEKOM AG·Filed 1999·Granted Jun 8, 2004·23 cites·5 claims
- 0845US6282333B1Method and device to compensate for polarization mode dispersion in an optical transmission linkDEUTSCHE TELEKOM AG·Filed 1999·Granted Aug 28, 2001·15 cites·31 claims
- 0939US6249350B1Interferometer and methods for compensation of dispersion or increase in spectral resolution of such an interferometerDEUTSCHE TELEKOM AG·Filed 1997·Granted Jun 19, 2001·13 cites·16 claims
- 1037US7468827B2Device for generating adding and subtracting digital sequences of optical pulses and method for secure transmission of informationDEUTSCHE TELEKOM AG·Filed 2001·Granted Dec 23, 2008·0 cites·12 claims
- 1136US7769300B1Reducing the distortion of optical pulses caused by polarization mode dispersion in optical communication systemsDEUTSCHE TELEKOM AG·Filed 2000·Granted Aug 3, 2010·0 cites·7 claims
- 1236US6727491B1Sensor and method for detecting changes in distanceDEUTSCHE TELEKOM AG·Filed 1999·Granted Apr 27, 2004·6 cites·16 claims
- 1335US2004114860A1Optical system for injection of light from a light source into a mediumFiled 2002·Application pending·0 cites
- 1434US6813424B1Optical communications linkTELEKOM AG BONN DEUTSCHE·Filed 1999·Granted Nov 2, 2004·8 cites·11 claims
- 1529US6884990B2Method 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 channelDEUTSCHE TELEKOM AG·Filed 2001·Granted Apr 26, 2005·0 cites·9 claims
- 1629US2009051987A1Method and arrangement for producing a hologramDULTZ WOLFGANG·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Heidrun Schmitzer files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →