Multi-screen television receiver to simultaneously output and di

Details Multi-screen television receiver to simultaneously output and di Multi-screen television receiver to simultaneously output and di

1996-03-15

1997-10-21

Hsia, Sherrie

Television

Basic receiver with additional function

For display of additional information

348565, 348566, H04N 545

Patent

active

056801777

ABSTRACT:
A multi-screen television receiver which can display first and second video signals on a picture tube as a main picture screen and a sub-picture screen adjacent to each other, includes a video input switching circuit for selectively outputting a first input video signal associated with the main picture screen and a second input video signal associated with the sub-picture screen from a plurality of video signals, first and second video processing systems for the main picture and sub-picture screens for processing the luminance and the color of the first and second video signals from the video input switching circuit, first and second scaling-down arrangements for scaling down the pictures of the output signals of the first and second video processing systems to the sizes of the main picture and sub-picture screens, a combiner for combining selected output signals from the first and second processing systems to supply the combined signal to the picture tube, an encoder for encoding the combined signal from the combiner into a third video signal to be recorded, and a video output switching circuit for selectively outputting one of the first through third video signals through a video output terminal.

REFERENCES:
patent: 4761688 (1988-08-01), Hakamada
patent: 5083205 (1992-01-01), Arai
patent: 5161019 (1992-11-01), Emanuel
patent: 5237428 (1993-08-01), Kaneko
patent: 5363143 (1994-11-01), Duffield

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