Process for the insertion of a supplementary video information s

Details Process for the insertion of a supplementary video information s Process for the insertion of a supplementary video information s

1992-06-04

1993-10-19

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358140, 358142, 358180, H04N 701, H04N 700, H04N 546

Patent

active

052550982

ABSTRACT:
A method for displaying a supplementary video image outside a main image. For example, the main image has a 4/3 aspect ratio and the tube has a 16/9 aspect ratio. The method includes steps of processing a supplementary video image at the time of the line return of the main image to provide a video signal of the desired format. Then, multiplexing the components of the main video signal with the components of the supplementary video signal; and then separately processing the components of the multiplexed signal to produce the components of the display signal for a display on the tube. The displayed image has the main 4/3 aspect ratio image in 4/3 aspect ratio occupying approximately 12/9 of the screen and supplementary video images occupying the remaining 4/9 of the screen.

REFERENCES:
patent: 4551754 (1985-11-01), Meise et al.
patent: 4612573 (1986-09-01), Grallert et al.
patent: 5134479 (1992-07-01), Ohishi
patent: 5146335 (1992-09-01), Kim et al.
patent: 5159438 (1992-10-01), Rabii

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