Cursor display control method and apparatus in a graphic display

Details Cursor display control method and apparatus in a graphic display Cursor display control method and apparatus in a graphic display

1990-09-17

1993-03-09

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340706, G09G 302

Patent

active

051929430

ABSTRACT:
A cursor display control in a graphic display system is provided in which a storage range is provided for exclusive use for a cursor pattern and a desired shape is defined in the storage range to thereby perform a high-speed cursor movement. A display control apparatus in the graphic display system includes a memory for storing a cursor pattern, shift register for performing a shift processing in a non-display period of the cursor for positioning in the display screen, and parallel-serial converter for performing parallel to serial conversion at the display timing of the cursor, whereby the apparatus is suitable to be integrated in the form of an LSI and the cursor can be moved at a high speed on the screen.

REFERENCES:
patent: 4326201 (1982-04-01), Enokizono
patent: 4454507 (1984-06-01), Srinivasan et al.
patent: 4706074 (1987-11-01), Muhich et al.
patent: 4768029 (1988-08-01), Burrows
patent: 4835526 (1989-05-01), Ishii et al.

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