Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1985-05-22
1987-04-21
Masinick, Michael A.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 22, H04N 544
Patent
active
046600701
ABSTRACT:
A video display processor (VDP) for use with a central processing unit, a video RAM (VRAM) and a video display unit is capable of writing video image data supplied from an external video device such as a television set into the VRAM. The VDP comprises a first input terminal for receiving the external video image data and a second input terminal for receiving horizontal and vertical synchronization signals from the external video device. The VDP generates address data in accordance with the horizontal and vertical synchronization signals and supplies the address data to the VRAM when processing of the external video image data is designated. The VDP also supplies the received external video image data to the VRAM thereby to write the external video image data into addresses of the VRAM designated by the address data. The external video image data may be either color codes representative of colors of display elements of a video image displayed at the external video device or data representative of amplitude levels of an analog video signal outputted from the external video device.
REFERENCES:
patent: 4243984 (1981-01-01), Ackley et al.
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Ishii Takatoshi
Nishi Kazuhiko
Okumura Takatoshi
Yamaoka Shigemitsu
Yamashita Ryozo
Ascii Corporation
Masinick Michael A.
Nippon Gakki Seizo Kabushiki Kaisha
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