Symbology display method

Details Symbology display method Symbology display method

1991-10-25

1994-05-31

Weldon, Ulysses

Computer graphics processing and selective visual display system

Data responsive crt display control

Data responsive deflection control

345 13, G09G 110

Patent

active

053173317

ABSTRACT:
In a digital display system including a stroke scanning mechanism, a method which comprises the steps of displaying symbology and increasing or decreasing the number of symbols stroke scanned, including the null symbol depending upon comparisons of actual stroke time to a predetermined stroke time limit. The symbology is initially displayed by stroke scanning. The actual stroke time for stroke scanning the symbology is measured. The actual stroke time is then compared with the predetermined stroke time limit to ascertain whether or not the time limit has been exceeded. If the stroke time limit is not exceeded and a null symbol is not present in the symbology stroke scanned, a null symbol is added. If the stroke time limit is not exceeded and a null symbol is present in the stroke scanned symbology, the number of symbols is increased. If the stroke timing limit is exceeded and a null symbol is present in the symbology stroke scanned, the null symbol is removed. If the stroke time limit is exceeded and the null symbol is not present, a null symbol is added and the number of other visible symbols is decreased.

REFERENCES:
patent: 4070662 (1978-01-01), Narveson
patent: 4511892 (1985-04-01), Grothe
patent: 4584574 (1986-04-01), Beausoleil
patent: 4631532 (1986-12-01), Grothe
patent: 4635050 (1987-01-01), Grothe et al.
patent: 4882577 (1989-11-01), DeVore

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