Information picture display device using a double-picture type s

Details Information picture display device using a double-picture type s Information picture display device using a double-picture type s

1996-09-26

1998-11-03

Saras, Steven J.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 1, 345116, 348563, 348564, 348565, 348584, 348588, 348596, G09G 500

Patent

active

058315918

ABSTRACT:
In an information picture display device using a double-picture type screen, a TV microcomputer controls a double window processing unit, an information processing unit processes information data received from a value added network and recognizes a selected screen mode to then output a switching control signal. The device is constructed so that the output of a switching unit for selecting one of a sub-video signal and a signal processed in the information processing unit is input to the double window processing unit, thereby displaying an information signal on the entire double-picture type screen, displaying the information signal and a TV signal separately on partitions of the double-picture type screens, or displaying the information signal superimposed on the TV signal. When the information signal is displayed on the entire screen, the signal processed in the information processing unit is displayed directly without passing through the double window processing unit, thereby improving picture quality.

REFERENCES:
patent: 5365278 (1994-11-01), Willis
patent: 5442406 (1995-08-01), Altmanshofer et al.
patent: 5453796 (1995-09-01), Duffield et al.
patent: 5512954 (1996-04-01), Shintani
patent: 5557338 (1996-09-01), Maze et al.
patent: 5576769 (1996-11-01), Lendaro
patent: 5657092 (1997-08-01), Kim

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