Method of image display with scrolling capability

Details Method of image display with scrolling capability Method of image display with scrolling capability

1990-11-09

1993-04-06

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

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

340799, G09G 106

Patent

active

052007383

ABSTRACT:
A method of data display for a system which includes a main image memory having stored therein data representing a main image, a display memory coupled to temporarily hold data transferred thereto form the main image memory, and a display apparatus for displaying at least a selected portion of the data held in the display memory, whereby while scrolling is being executed in the horizontal or vertical display direction, new data are transferred from the main image memory to the display memory only when the limits of the data currently held in the display memory are exceeded, and with only data for one display line or column being transferred in such a case.

REFERENCES:
patent: 4642621 (1987-02-01), Nemoto et al.
patent: 4642790 (1987-02-01), Minshull et al.
patent: 4663617 (1987-05-01), Stockwell
patent: 4862155 (1989-08-01), Dalrymple et al.
patent: 4872001 (1989-10-01), Netter
patent: 4922238 (1990-05-01), Aoki et al.
patent: 4947370 (1990-08-01), Sugitani
patent: 5006837 (1991-04-01), Bowers

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