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Your search returned 90 patents.
( 348/568 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5233422 | Apparatus for selectively enlarging or reducing an area of a reproduced television picture
| October 22, 1991 |
| 5157494 | Apparatus and method for combining video signals to provide an output signal with full field coverage
| March 29, 1991 |
| 5138455 | Video signal processing circuit for compressed picture insertion function of television receiver
| May 28, 1991 |
| 5121205 | Apparatus for synchronizing main and auxiliary video signals
| November 5, 1990 |
| 5047858 | Multiple image processing and display system
| March 30, 1989 |
| 5040067 | Method and device for processing multiple video signals
| January 30, 1989 |
| 5010406 | Apparatus for receiving character multiplex broadcasting
| May 19, 1989 |
| 5008750 | Television receiver with teletext receiving function and method of superimposing teletext picture on television picture
| February 28, 1990 |
| 4984083 | Image processing system
| June 28, 1989 |
| 4982288 | High definition television receiver enabling picture-in picture display
| February 16, 1989 |
| 4750038 | Television picture display device
| May 27, 1987 |
| 4561020 | Still picture transmission apparatus
| June 6, 1983 |
| 4399462 | Video split screen technique
| January 30, 1981 |
| 4298891 | Television receiver
| June 18, 1979 |
| 4266242 | Television special effects arrangement
| April 25, 1979 |
| 4238773 | Television receiver for display of plural video images including a displayed boundary between the images
| December 28, 1978 |
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