Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7760271 | Method and circuit for determining the noise component in a video signal | — | 2010-07-20 |
| 7466364 | Device for reducing flicker defects | — | 2008-12-16 |
| 7061546 | Arrangement for processing video signals | — | 2006-06-13 |
| 6388704 | Length detection of slant scratches | — | 2002-05-14 |
| 5987187 | Detecting slant scratches in images of a video signal | — | 1999-11-16 |
| 5953078 | Video signal processing circuit having an interface for connecting a color correction circuit between a noise reduction circuit and a contour circuit | Michael Senge, Holger Ruckert, Manfred Dworatzek | 1999-09-14 |
| 5886751 | Method of eliminating interference signals from video signals | — | 1999-03-23 |
| 5612752 | Noise reduction method and apparatus | — | 1997-03-18 |
| 5589887 | Method and circuit for detecting and concealing video signal errors | — | 1996-12-31 |
| 5543858 | Method of and apparatus for reducing noise in a motion detector signal | — | 1996-08-06 |
| 5519453 | Method of eliminating interfernce signals from video signals | — | 1996-05-21 |
| 5485222 | Method of determining the noise component in a video signal | — | 1996-01-16 |
| 5245414 | Video signal synchronizer for a video signal in luminance and chrominance component form | — | 1993-09-14 |
| 5195044 | Digital oscillator for generating a signal of controllable frequency | — | 1993-03-16 |
| 5191419 | Video noise reducer with detection of both total and temporal picture changes | — | 1993-03-02 |
| 5148278 | Filter circuit of the median type for video signals | — | 1992-09-15 |
| 5122761 | Digital PLL including controllable delay circuit | — | 1992-06-16 |
| 5027318 | Bit place oriented data storage system for digital data | — | 1991-06-25 |
| 5008751 | Apparatus system for deriving synchronizing information from a digital video signal | — | 1991-04-16 |
| 5003392 | Circuit for digitally deriving pulses of horizontal and vertical frequency from a synchronizing signal | — | 1991-03-26 |
| 4855826 | Zone plate signal generator | Hans-Peter Richter | 1989-08-08 |
| 4833524 | System for two-dimensional blending of transitions between a color video picture signal and a background color signal | — | 1989-05-23 |
| 4623922 | System for time compression and/or expansion of electrical signals | — | 1986-11-18 |
| 4488251 | Digital filter | — | 1984-12-11 |
| 4413273 | System for mixing two color television signals | — | 1983-11-01 |