Display data memory

Details Display data memory Display data memory

1987-12-09

1990-03-06

Yusko, Donald J.

Communications: electrical

Land vehicle alarms or indicators

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

340728, 340750, G09G 114

Patent

active

049069837

ABSTRACT:
The device includes a plurality of pixel control digit storage elements (1) each for association with a particular pixel of the display and functionally organized in the form of a two-dimensional array corresponding to the array of pixels of the display, interconnected with one another and with data and control signal input means (2, 3, 4) such that a pixel control digit, representing a given color or intensity say, entered into one "seed" element (i,j) automatically propagates through the device from one to another element until it reaches elements to which boundary indicative control signals are applied by way of said input means when propagation ceases. The boundary indicative control signals and the "seed" element may be derived from and chosen by an associated computer processor operating according to a conventional shape designing algorithm.

REFERENCES:
patent: 3473160 (1969-10-01), Wahlstrom
patent: 4189743 (1980-02-01), Schure et al.
patent: 4368463 (1983-01-01), Quilliam
patent: 4481594 (1984-11-01), Staggs et al.
patent: 4513281 (1985-04-01), Ngo
patent: 4658247 (1987-04-01), Gharachorloo
Foley, James D. and Van Dam, Andries: "Fundamentals of Interactive Computer Graphics", 1982, Addison-Wesley Publishing Company, Inc., pp. 446-451, 456, 641, 645, 648.

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