Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-03-21
1996-01-02
Kuntz, Curtis
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 97, 359 56, G09G 336
Patent
active
054812747
ABSTRACT:
In order to realize real-time operativity as the man-machine interface for the display on a liquid crystal display unit, there is provided a display control device for receiving image information having a plurality of graphic events, storing the received image information in an image information storing memory, and partially rewriting the display contents on the display unit by transferring the image information in a varied range by a graphic event to the display unit. The display rewrite is enabled at one time for a plurality of partial rewrite display requests in such a manner as to store the scanning range information corresponding to the received image information, when the received image information is stored in the image information storing memory, acquire and store the scanning position information for a partial rewrite being currently executed, and adjust the scanning range of the partial rewrite by judging the duplicate scanning range of the partial rewrite with a comparison between the scanning range information corresponding to the image information and the current scanning position information.
REFERENCES:
patent: 4655561 (1987-04-01), Kanbe et al.
patent: 4693563 (1987-09-01), Harada
patent: 4795239 (1989-01-01), Yamashita et al.
patent: 4922241 (1990-05-01), Inoue et al.
patent: 4962376 (1990-10-01), Inoue et al.
patent: 5058994 (1991-10-01), Mihara et al.
Aratani Shuntaro
Inoue Hiroshi
Canon Kabushiki Kaisha
Kuntz Curtis
Oh Minsun
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