Display device capable of displaying external signals and inform

Details Display device capable of displaying external signals and inform Display device capable of displaying external signals and inform

1996-07-15

1998-09-29

Burgess, Glenton B.

Television

Image signal processing circuitry specific to television

Special effects

348565, 348569, H04N 545

Patent

active

058152164

ABSTRACT:
A display device displays first and second video signals on a double-picture type screen. The device comprises a double window processing unit, a microcomputer, an information processing unit, a compressor, first through fourth switches, and a display unit. The double window processing unit processes the first and second video signals and outputs a television video signal and first synchronization signals. The microcomputer controls the double window processing unit and outputs first and second switching signals. The information processing unit receives data from a value added network, outputs a corresponding information video signal, generates second synchronization signals, and outputs third and fourth switching signals. The compressor receives an external video signal, generates a corresponding compressed is video signal, and outputs third synchronization signals. The first and fourth switches selectively output the first, second, or third synchronization signals as selected synchronization signals. The second and third switch selectively output the television video signal, the compressed video signal, or the information video signal as a selected video signal. The display unit displays the selected video signal based on the selected synchronization signals. As a result of the configuration above, the information video signal, the external video signal, and the television video signal can be displayed in various configurations.

REFERENCES:
patent: 5650827 (1997-07-01), Tsumori et al.
patent: 5726702 (1998-03-01), Hamaguchi et al.

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