Communications: electrical – Systems – Portable self-contained
Patent
1976-02-11
1978-05-02
Trafton, David L.
Communications: electrical
Systems
Portable self-contained
315169TV, 358240, G06K 1518
Patent
active
040878066
ABSTRACT:
Apparatus for controlling persistence of the display on a plasma display device by scanning the cells of a display device in an apparently random manner and extinguishing those cells whose addresses are stored for that purpose thereby to produce controlled fading of transient display features while maintaining permanent features of the display.
REFERENCES:
patent: 3559190 (1971-01-01), Bitzer et al.
patent: 3845243 (1974-10-01), Schmersal et al.
patent: 3937878 (1975-02-01), Judice
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