Color video generator

Details Color video generator Color video generator

1983-02-14

1985-12-17

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340701, 358260, 358261, G09G 128

Patent

active

045595313

ABSTRACT:
A video display system has a color display driven by a color generator for generating multicolor segments on a multiline television raster of the display. In this system, a method controls the color and the length of the lines by serially generating an array of color bytes, each being of a first class or a second class, the period being indicated by the value of a particular bit position in the line. Each of the bytes of the first class is divided into a first field and a second field, the first field being a coded-combination of bits representing a color, the second field being a coded-combination of bits representing a length, while the second class has only one field, that representing a length. By examining the particular bit it is determined whether to change the color or extend the color for the distance indicated by the length value which for the second class can now be much greater than for bytes of the first class. There is also disclosed how to extend the color for horizontal lines as well as for frames.

REFERENCES:
patent: 3739085 (1973-06-01), Rosen et al.
patent: 4057834 (1977-11-01), Nakagome et al.
patent: 4101934 (1978-07-01), Fukuoka
patent: 4233601 (1980-11-01), Hankins et al.
patent: 4486784 (1984-12-01), Abraham et al.
IBM Technical Disclosure Bulletin, vol. 16, No. 3, Aug. 1973, "Data Compression for Raster Display", W. C. Cook et al., pp. 928-929.

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