Heidrun Schmitzer
14Patents
7h-index
12Co-inventors
52Inventor score
Filing activity: Dec 10, 1998 → Dec 21, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6609139B1 | Method for generating a random number on a quantum-mechanical basis and random number generator | Physics | 47 | Expired |
| US6430345B1 | Method and device for producing a choice of either single photons or pairs of photons in an optical channel | Physics | 28 | Expired |
| US7003665B1 | Method for the secure transmission of messages | Electricity | 20 | Expired |
| US6986056B1 | Method and arrangement for generating binary sequences of random numbers | Electricity | 19 | Expired |
| US6748081B1 | Quantum cryptography system for a secure transmission of random keys using a polarization setting method | Physics | 13 | Expired |
| US6282333A | Method and device to compensate for polarization mode dispersion in an optical transmission link | Electricity | 8 | Expired |
| US6249350A | Interferometer and methods for compensation of dispersion or increase in spectral resolution of such an interferometer | Physics | 7 | Expired |
| US7649610B1 | Method and device for reducing speckle formation on a projection screen | Electricity | 7 | Expired |
| US6813424B1 | Optical communications link | Physics | 4 | Expired |
| US6727491B1 | Sensor and method for detecting changes in distance | Physics | 1 | Expired |
| US6947193B1 | Optical phase modulator | Physics | 1 | Expired |
| US6884990B2 | 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 | Physics | 0 | Expired |
| US7769300B1 | Reducing the distortion of optical pulses caused by polarization mode dispersion in optical communication systems | Electricity | 0 | Expired |
| US7468827B2 | Device for generating adding and subtracting digital sequences of optical pulses and method for secure transmission of information | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.