Non-fade bouncing ball display

Details Non-fade bouncing ball display Non-fade bouncing ball display

1982-03-01

1984-09-04

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340726, 315384, G09G 100

Patent

active

044700431

ABSTRACT:
A non-fade display for a CRT which includes a brightened dot, or "bouncing ball", is described. The refreshed display makes use of relatively short persistence phosphors, together with a digital controller to momentarily stop a trace at a predetermined point corresponding to the newest data sample point, increase its intensity to form the brightened dot, follow the brightened dot with a blanked zone, and then continue with the older part of the trace.

REFERENCES:
patent: 3406387 (1968-10-01), Werme
patent: 3653021 (1972-03-01), Scheer
patent: 3790851 (1974-02-01), Baring
patent: 3793626 (1974-02-01), Zambuto
patent: 4094310 (1978-06-01), McEachern et al.

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