Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1979-06-22
1983-05-31
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340769, 340716, 3151691, G09G 328
Patent
active
043863485
ABSTRACT:
The disclosure is of a display panel comprising a gas-filled envelope having a first portion including an array of D.C. gas discharge cells, and a second portion including an array of quasi A.C. gas discharge cells, there being one A.C. cell for each D.C. cell. The A.C. cells are the display cells of the panel and include electrode means for sustaining glow therein, and the D.C. cells are operated in a scanning fashion to address selected A.C. cells in which glow is to be displayed, and they include electrode means for this purpose. The actual operation of addressing or selecting, and firing or turning off, the desired A.C. display cells is achieved by the controlled interaction of the D.C. and A.C. cells; and after the selected display cells have been fired and caused to exhibit visible glow, the glow is sustained, until being erased, by the electrodes associated with the A.C. cells.
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Holz George E.
Ogle James A.
Burroughs Corporation
Curtis Marshall M.
Green Robert A.
Peterson Kevin R.
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