Electric lamp and discharge devices – With magnetic device – Field transverse to discharge
Patent
1975-01-17
1976-03-02
Demeo, Palmer C.
Electric lamp and discharge devices
With magnetic device
Field transverse to discharge
313190, 313198, 313217, 313220, H01J 61067, H01J 6110, H01J 6130
Patent
active
039420604
ABSTRACT:
The panel comprises a gas-filled envelope including an elongated base plate having a transverse slot at about its center which divides the plate into two portions. Both portions of the base plate are provided with parallel slots in their top surfaces, and two sets of scan anodes are provided, one set seated in the slots in each portion of the base plate. The inner ends of the scan anodes are bent into and secured in the transverse slot. Two sets of scan-display cathodes are seated on the base plate, one associated with each set of scan anodes, and oriented transverse to the scan anodes and forming rows and columns of scanning or priming cells therewith. An apertured insulating cell sheet having two sets of apertures or cells is seated on the cathodes, with each set of apertures arrayed in rows and columns and overlaying a set of scanning cells, with each display cell aligned with a scanning cell beneath it. Two sets of display anodes are provided, one associated with each set of display cells. The panel envelope is completed by a face plate which covers the display anodes and is sealed to the cell sheet and base plate. The panel is filled with a suitable ionizable gas.
Because of its length, in order to achieve favorable brightness in all of the cells of the panel, the two portions of the panel are operated simultaneously. The panel is operated by energizing the two sets of scanning cells sequentially, column-by-column, and, as the columns of scanning cells are energized, selected display anodes are energized by information signals to transfer glow from a scanning cell to the display cell above it.
REFERENCES:
patent: 3703657 (1972-11-01), Shesser
patent: 3767968 (1973-10-01), Ogle
patent: 3863088 (1975-01-01), Harvey et al.
patent: 3885195 (1975-05-01), Amano
Burroughs Corporation
DeMeo Palmer C.
Fish Paul W.
Green Robert A.
Penn William B.
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