Gas panel interrogation by selective sustain

Details Gas panel interrogation by selective sustain Gas panel interrogation by selective sustain

1981-12-31

1985-06-25

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

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

3151694, 340776, 340779, 365116, G09F 930

Patent

active

045257078

ABSTRACT:
A gas panel can provide optical data readout in an essentially serial manner for copying, communication, interaction and indication. This is accomplished by using substitute sustain cycles for reading particular addresses. A complement sustain signal obtained through the address selection circuitry is superimposed on a partial sustain signal to produce the substitute sustain signal. This provides a complete sustain cycle for the selected address(es) only. Flashes of light at the addressed positions indicate storage of logical "1s" at such addresses.

REFERENCES:
patent: 3796997 (1974-03-01), Johnson et al.
patent: 3887767 (1975-06-01), Miller
patent: 3919591 (1975-11-01), Criscimagna
patent: 3976992 (1976-08-01), Criscimagna et al.
patent: 4117471 (1978-09-01), Schlig et al.
patent: 4139803 (1979-02-01), Kurshashi et al.
Fujitsu Scientific & Technical Journal, vol. 12, No. 4, Dec. 1976, pp. 83-97, M. Shimuzu et al, "New and Simple Readout From 480-Character Plasma Display Panel".

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