Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1996-08-30
1999-02-02
Kim, Matthew M.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
345123, G06F 3033
Patent
active
058671587
ABSTRACT:
The present invention is directed to setting the direction and the quantity of movement by a point and to execute scrolling. A reference point is set in the display screen of the display apparatus of the electric device, in advance. When a user selects a display mode of a data processing function and designates a point within the display screen through a coordinate inputting apparatus, the device calculates a positional deviation of a designate point from the reference point as a deviation of a coordinate value, switches a display image so that an image component which is displayed at a position corresponding to the designate position is located at a position corresponding to the reference position, and scrolls the image. Further, when a point is designated successively a plurality of times as a designation point, an image which is sequentially switched is scrolled the plurality of times at predetermined time intervals. Still further, when designating is successively executed for a plurality of times, the predetermined time is shortened in accordance with the number of designating. When a display image includes a character, an approximate value of a deviation which denotes a positional deviation is found among integer-multiples of the width of a rectangular region which includes the character.
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Kihara Yoshiro
Murasaki Yasushi
dela Torre Crescelle N.
Kim Matthew M.
Sharp Kabushiki Kaisha
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