PC card system having video input-output functions

Details PC card system having video input-output functions PC card system having video input-output functions

1996-06-14

1999-06-29

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345204, 395884, 395885, G09G 500

Patent

active

059174676

ABSTRACT:
The objective of the invention is to provide a portable information processing apparatus and a PC card for its expansion that facilitate transient and still images. A PC card system of the invention comprises a PC card capable of processing video signals and an information processing apparatus having a liquid crystal display, PC card slots, a VGA controller that converts pixel data into analog RGB signals, and an LCD controller that controls the liquid crystal display. The information processing apparatus further has an analog RGB signal lines and synchronizing signal lines between the LCD controller and the PC card slots, and a pixel data bus between the VGA controller and the PC card slots.

REFERENCES:
patent: 5539658 (1996-07-01), Mc Cullough
patent: 5630163 (1997-05-01), Fung et al.
patent: 5687346 (1997-11-01), Shinohara
patent: 5689732 (1997-11-01), Kondo
patent: 5724529 (1998-03-01), Smith et al.

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