Apparatus for storing data both video and graphics signals in a

Details Apparatus for storing data both video and graphics signals in a Apparatus for storing data both video and graphics signals in a

1992-09-17

1993-10-26

Nguyen, Phu K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

395162, 358152, G06F 3153

Patent

active

052573486

ABSTRACT:
A computer subsystem for presenting both video and graphic information on a computer output display in a computer system having a central processing unit and a frame buffer including apparatus for providing a video input signal representing full frame of video interlaced data, apparatus for selecting a rectangular portion of the video data to be presented, apparatus for converting the selected portion of the video signal into a stream of digitized pixel signals, apparatus for designating each such pixel of video information which is to be written to the frame buffer, and apparatus for addressing each of such pixels for storage at selected points of the frame buffer.

REFERENCES:
patent: 4870663 (1989-09-01), Kulju
patent: 4933877 (1990-06-01), Hasebe
patent: 4949169 (1990-08-01), Lumelsky et al.
patent: 4994912 (1991-02-01), Lumelsky et al.
patent: 5010499 (1991-04-01), Yee
patent: 5046001 (1991-09-01), Barker et al.

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