Stroke writing character generator with reduced bandwidth

Details Stroke writing character generator with reduced bandwidth Stroke writing character generator with reduced bandwidth

1983-09-02

1986-06-17

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340736, G09G 110

Patent

active

045959188

ABSTRACT:
A stroke writing character generator pauses between the generation of vectors, which may meet at sharp corners, so as to reduce deflection bandwidth. A stroke state machine having a plurality of states controls the generation of the vectors. The plurality of states includes a time pause state. A vector length counter provides an end of vector signal that causes the stroke state machine to enter the time pause state for inserting a time pause between the generation of the vectors. The video of the CRT on which the vectors are written is blanked in coincidence with the time pause.

REFERENCES:
patent: 3717782 (1973-02-01), Snook et al.
patent: 3984827 (1976-10-01), Hickin et al.
patent: 4369441 (1983-01-01), Wohlmuth

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