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Class Information
Number: 348/593
Name: Television > Image signal processing circuitry specific to television > Special effects > Combining plural sources > Specified details of key signal generation or processing > Artificial key generation
Description: Subject matter including a circuitry for generating the mixing control signal without using one of the image signals which is combined.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6829015 |
Device and method for realizing transparency in an on screen display |
Dec. 7, 2004 |
| 6747705 |
Method and apparatus for creating non-linear motion picture transitions |
Jun. 8, 2004 |
| 6674485 |
Apparatus and method for image compositing |
Jan. 6, 2004 |
| 6532043 |
Media pipeline with multichannel video processing and playback with compressed data streams |
Mar. 11, 2003 |
| 6456336 |
Signal generator |
Sep. 24, 2002 |
| 6396547 |
Signal generator |
May. 28, 2002 |
| 6362855 |
Special-effect-waveform generator |
Mar. 26, 2002 |
| 6295096 |
Edge key generating method and edge key generating apparatus |
Sep. 25, 2001 |
| 6243143 |
Effecting video transitions between video streams |
Jun. 5, 2001 |
| 6172717 |
Apparatus and methods for synthesizing foreground and background images |
Jan. 9, 2001 |
| 6069669 |
Video window control apparatus and method thereof |
May. 30, 2000 |
| 6043852 |
Wipe pattern generating apparatus |
Mar. 28, 2000 |
| 5959697 |
Method and system for detecting dissolve transitions in a video signal |
Sep. 28, 1999 |
| 5929934 |
Key signal processing apparatus for video signal processing |
Jul. 27, 1999 |
| 5831638 |
Graphics display system and method for providing internally timed time-varying properties of display attributes |
Nov. 3, 1998 |
| 5825433 |
Video mixing apparatus |
Oct. 20, 1998 |
| 5822016 |
Key signal processing apparatus for video signal processing |
Oct. 13, 1998 |
| 5812216 |
Method and apparatus for creating motion picture transitions according to non-linear light response |
Sep. 22, 1998 |
| 5793440 |
Key signal processing apparatus for video signal processing |
Aug. 11, 1998 |
| 5726717 |
Method and user interface for creating, specifying and adjusting motion picture transitions |
Mar. 10, 1998 |
| 5528310 |
Method and apparatus for creating motion picture transitions according to non-linear light response |
Jun. 18, 1996 |
| 5477276 |
Digital signal processing apparatus for achieving fade-in and fade-out effects on digital video signals |
Dec. 19, 1995 |
| 5440348 |
Method and user interface for creating, specifying and adjusting motion picture transitions |
Aug. 8, 1995 |
| 5428401 |
Improvements in or relating to video image keying systems and methods |
Jun. 27, 1995 |
| 5355173 |
Image processing system with external storage of special effect data |
Oct. 11, 1994 |
| 5349388 |
Video signal generating apparatus |
Sep. 20, 1994 |
| 5206729 |
Image switching apparatus for producing special video effects |
Apr. 27, 1993 |
| 5194952 |
Video processing system having improved transition control and display |
Mar. 16, 1993 |
| 5115314 |
Video keying circuitry incorporating time division multiplexing |
May. 19, 1992 |
| 5077610 |
Previewing cuts and transformations in an electronic image composition system |
Dec. 31, 1991 |
| 5046165 |
Controlling the combining of video signals |
Sep. 3, 1991 |
| 5014128 |
Video interface circuit for displaying capturing and mixing a live video image with computer graphics on a video monitor |
May. 7, 1991 |
| 4991014 |
Key signal producing apparatus for video picture composition |
Feb. 5, 1991 |
| 4961114 |
Digital memory delay line for a video border generator |
Oct. 2, 1990 |
| 4949180 |
Video image processing systems |
Aug. 14, 1990 |
| 4935815 |
Scanconverter system with superimposing apparatus |
Jun. 19, 1990 |
| 4862272 |
Video switcher/effects generator |
Aug. 29, 1989 |
| 4774507 |
Special video effect system |
Sep. 27, 1988 |
| 4769707 |
TV optical effect generating system |
Sep. 6, 1988 |
| 4622588 |
Method for generating a video image comprising a geometrical figure and a shape generator for carrying out said method |
Nov. 11, 1986 |
| 4218711 |
Special effect device for electronically accomplishing a gradual scene shift |
Aug. 19, 1980 |
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