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Wolfgang Dultz
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Frankfurt am Main, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for coherent addition of semiconductor laser emis...
Patent number
7,920,617
Issue date
Apr 5, 2011
Deutsche Telekom AG
Wolfgang Dultz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reducing the distortion of optical pulses caused by polarization mo...
Patent number
7,769,300
Issue date
Aug 3, 2010
Deutsche Telekom AG
Wolfgang Dultz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for reducing speckle formation on a projection sc...
Patent number
7,649,610
Issue date
Jan 19, 2010
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Device for generating adding and subtracting digital sequences of o...
Patent number
7,468,827
Issue date
Dec 23, 2008
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Method and device for attenuating light as a function of intensity
Patent number
7,426,070
Issue date
Sep 16, 2008
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Method and device for attenuating light as a function of intensity
Patent number
7,050,213
Issue date
May 23, 2006
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Method for the secure transmission of messages
Patent number
7,003,665
Issue date
Feb 21, 2006
Deutsche Telekom AG
Wolfgang Dultz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and arrangement for generating binary sequences of random nu...
Patent number
6,986,056
Issue date
Jan 10, 2006
Deutsche Telekom AG
Wolfgang Dultz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Fused silica-based optical waveguide and method for its manufacture
Patent number
6,975,800
Issue date
Dec 13, 2005
Deutsche Telekom AG
Wolfgang Dultz
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method and device for forming the intensity profile of a laser beam
Patent number
6,952,296
Issue date
Oct 4, 2005
Deutsche Telekom AG
Wolfgang Dultz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical phase modulator
Patent number
6,947,193
Issue date
Sep 20, 2005
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Optical fiber transmission link having passive, directionally depen...
Patent number
6,941,048
Issue date
Sep 6, 2005
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Electro-optical light modulator
Patent number
6,914,647
Issue date
Jul 5, 2005
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Device and method for the temperature-independent operation of elec...
Patent number
6,900,874
Issue date
May 31, 2005
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
METHOD FOR CHANGING THE POLARIZATION OF AT LEAST ONE OF THE PHOTONS...
Patent number
6,884,990
Issue date
Apr 26, 2005
Deutsche Telekom AG
Wolfgang Dultz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communications link
Patent number
6,813,424
Issue date
Nov 2, 2004
Deutsche Telekom AG Bonn
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Quantum cryptography system for a secure transmission of random key...
Patent number
6,748,081
Issue date
Jun 8, 2004
Deutsche Telekom AG
Wolfgang Dultz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sensor and method for detecting changes in distance
Patent number
6,727,491
Issue date
Apr 27, 2004
Deutsche Telekom AG
Wolfgang Dultz
G01 - MEASURING TESTING
Information
Patent Grant
Liquid crystalline materials for optical phase modulation
Patent number
6,649,087
Issue date
Nov 18, 2003
Deutsche Telekom AG
Wolfgang Dultz
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Device for the local attenuation of the light intensity in the fiel...
Patent number
6,636,278
Issue date
Oct 21, 2003
Deutsche Telekom AG
Wolfgang Dultz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for generating a random number on a quantum-mechanical basis...
Patent number
6,609,139
Issue date
Aug 19, 2003
Deutsche Telekom AG
Wolfgang Dultz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and device for spectral level balancing in wavelength divisi...
Patent number
6,563,980
Issue date
May 13, 2003
Deutsche Telekom AG
Wolfgang Dultz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Single-mode optical fiber
Patent number
6,529,666
Issue date
Mar 4, 2003
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Plastic optical fiber
Patent number
6,501,894
Issue date
Dec 31, 2002
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Method and device for producing a choice of either single photons o...
Patent number
6,430,345
Issue date
Aug 6, 2002
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Optical random-number generator based on single-photon statistics a...
Patent number
6,393,448
Issue date
May 21, 2002
Deutsche Telekom AG
Wolfgang Dultz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Process for applying a light-blocking layer between a photoconducti...
Patent number
6,338,882
Issue date
Jan 15, 2002
Deutsche Telekom AG
Wolfgang Dultz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Arrangement and method for electrically controlling the intensity o...
Patent number
6,331,910
Issue date
Dec 18, 2001
Deutsche Telekom AG
Wolfgang Dultz
G02 - OPTICS
Information
Patent Grant
Integrated optical circuit
Patent number
6,310,991
Issue date
Oct 30, 2001
Deutsche Telekom AG
Hans Wilfried Koops
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method and device to compensate for polarization mode dispersion in...
Patent number
6,282,333
Issue date
Aug 28, 2001
Deutsche Telekom AG
Wolfgang Dultz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method and arrangement for producing a hologram
Publication number
20090051987
Publication date
Feb 26, 2009
Wolfgang Dultz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method and device for attenuating light as a function of intensity
Publication number
20070103758
Publication date
May 10, 2007
Wolfgang Dultz
G02 - OPTICS
Information
Patent Application
Method and device for intensity-dependent light modulation
Publication number
20040169925
Publication date
Sep 2, 2004
Wolfgang Dultz
G02 - OPTICS
Information
Patent Application
Optical system for injection of light from a light source into a me...
Publication number
20040114860
Publication date
Jun 17, 2004
Wolfgang Dultz
G02 - OPTICS
Information
Patent Application
Method for changing the polarisation of at least one photon of the...
Publication number
20040021063
Publication date
Feb 5, 2004
Wolfgang Dultz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical wageguide based on quartz glass and method for the producti...
Publication number
20030165312
Publication date
Sep 4, 2003
Wolfgang Dultz
G02 - OPTICS
Information
Patent Application
Optical fiber transmission link having passive direction-dependent...
Publication number
20030165297
Publication date
Sep 4, 2003
Wolfgang Dultz
G02 - OPTICS
Information
Patent Application
Device for converting light having a polarisation pe into light hav...
Publication number
20030138182
Publication date
Jul 24, 2003
Wolfgang Dultz
G02 - OPTICS
Information
Patent Application
Method for producing a layer which influences the orientation of a...
Publication number
20030129328
Publication date
Jul 10, 2003
Wolfgang Dultz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Device for generating, adding and subtracting digital sequences of...
Publication number
20030107792
Publication date
Jun 12, 2003
Wolfgang Dultz
G02 - OPTICS
Information
Patent Application
Method and device for spectral level balancing in wavelength divisi...
Publication number
20030031405
Publication date
Feb 13, 2003
Wolfgang Dultz
G02 - OPTICS
Information
Patent Application
Plastic optical fiber
Publication number
20010024558
Publication date
Sep 27, 2001
Wolfgang Dultz
G02 - OPTICS