Werner Ritter von Stein

Person

22179 Hamburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for improving the contrast reproduction of digitized images
- Patent number 6,720,992
- Issue date Apr 13, 2004
- Wolfgang Zahn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for electronic reduction of the contrast of video images as...
- Patent number 6,529,243
- Issue date Mar 4, 2003
- Werner Ritter von Stein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Copying of film under different conditions
- Patent number 5,798,821
- Issue date Aug 25, 1998
- AGFA-Gevaert A.G.
- Wolfgang Zahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the preparation of photographic color copies from copy...
- Patent number 5,081,486
- Issue date Jan 14, 1992
- Gretag Systems, Inc.
- Werner R. von Stein
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure control process and photographic color copying apparatus
- Patent number 5,016,043
- Issue date May 14, 1991
- Gretag Systems
- Walter Kraft
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic color copying apparatus and exposure control process
- Patent number 4,951,084
- Issue date Aug 21, 1990
- Ciba-Geigy Corporation
- Werner R. von Stein
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for singling out non-reproducible copies fed in a photograph...
- Patent number 4,459,018
- Issue date Jul 10, 1984
- Agfa-Gevaert Aktiengesellschaft
- Werner von Stein
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for making color prints in automatic dependenc...
- Patent number 4,403,854
- Issue date Sep 13, 1983
- AGFA-Gevaert A.G.
- Werner von Stein
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for making color prints in automatic dependenc...
- Patent number 4,264,196
- Issue date Apr 28, 1981
- AGFA-Gevaert, A.G.
- Werner von Stein
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Werner Ritter von Stein

Person

Patents Grantslast 30 patents

Method for improving the contrast reproduction of digitized images

Method for electronic reduction of the contrast of video images as...

Copying of film under different conditions

Process for the preparation of photographic color copies from copy...

Exposure control process and photographic color copying apparatus

Photographic color copying apparatus and exposure control process

Device for singling out non-reproducible copies fed in a photograph...

Method and apparatus for making color prints in automatic dependenc...

Method and apparatus for making color prints in automatic dependenc...