Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5933585 | Method and device for image processing | Freidhrich Hujer | 1999-08-03 |
| 5696616 | Scanning method and apparatus | — | 1997-12-09 |
| 5162645 | Photographic scanner with reduced susceptibility to scattering | Wolfgang Ruf, Friedrich Jacob | 1992-11-10 |
| 5003381 | Method and apparatus for point-by-point reproduction of an original | — | 1991-03-26 |
| 4831436 | Method of and apparatus for printing a color image using dichroic filters and a phosphor which strongly emits red light and weakly emits green and blue light | Klaus Birgmeir | 1989-05-16 |
| 4825296 | Method of and apparatus for copying originals in which an image to be printed is evaluated by observing a corresponding low-resolution video image | Hermann Fuchsberger, Wolfgang Ruf | 1989-04-25 |
| 4825297 | Method of and apparatus for electronic contrast enhancement of reproductions of two-dimensional transparent original images | Hermann Fuchsberger | 1989-04-25 |
| 4812903 | Method of electronically improving the sharpness and contrast of a colored image for copying | Wolfgang Ruf, Hermann Fuchsberger, Klaus Birgmeir | 1989-03-14 |
| 4729015 | Method and apparatus for making positive copies from diapositives | — | 1988-03-01 |
| 4652929 | Method of and apparatus for making video images | Otto Stemme | 1987-03-24 |
| 4558436 | Arrangement of a dynamic random access memory | Wolfgang Ruf, Thomas Landsiedel | 1985-12-10 |
| 4481530 | Color filter arrangement for optoelectric converting devices | Ulrich Krekeler, Wolfgang Ruf | 1984-11-06 |
| 4445139 | Device for the electronic scanning of images | Otto Stemme, Wolfgang Ruf | 1984-04-24 |
| 4398813 | Photographic camera | Karl Wagner, Bernhard von Fischern | 1983-08-16 |
| 4368489 | Galvanometer-type tilting-mirror scanning system and circuit therefor | Otto Stemme, Wolfgang Ruf | 1983-01-11 |
| 4368484 | Device for color scanning with CCD array | Otto Stemme | 1983-01-11 |
| 4366381 | Electrothermographic apparatus for detection and pinpointing of malignancies in human bodies | Gunter Fischer, Otto Stemme | 1982-12-28 |
| 4362259 | Apparatus for stepwise transport of photographic film or the like | Otto Stemme, Bernhard von Fischern | 1982-12-07 |
| 4358805 | Playback and/or recording device for magnetic recording media, especially still photographs provided with a magnetizable coating | Otto Stemme, Frank Staudacher, Peter Lermann, Karl-Heinz Schultheiss | 1982-11-09 |
| 4330793 | Electronic scanning of super-8 films for reproduction on a T.V. viewing unit | Otto Stemme, Wolfgang Ruf | 1982-05-18 |
| 4324465 | Arrangement for adjusting components of photographic apparatus or the like | Horst Rossbach | 1982-04-13 |
| 4314235 | System for utilizing a conventional n-bit successive approximation register to generate data words with more than n places | Wolfgang Ruf | 1982-02-02 |
| 4313663 | Electrooptic diaphragm and circuit operative for causing the diaphragm to open up stepwise and then close to terminate exposure | Otto Stemme | 1982-02-02 |
| 4313656 | Weighting of the scene light signal during the shutter opening operation | Kurt Borowski | 1982-02-02 |
| 4299467 | Focussing system for still and motion-picture cameras | Karl Wagner | 1981-11-10 |