Display panel having rows and columns of coplanar scan and displ

Details Display panel having rows and columns of coplanar scan and displ Display panel having rows and columns of coplanar scan and displ

1977-08-17

1982-10-12

Demeo, Palmer C.

Electric lamp and discharge devices

With magnetic device

Field transverse to discharge

313198, 313217, 313220, H01J 61067, H01J 630, H01J 654

Patent

active

RE0310549

ABSTRACT:
The display panel comprises a gas-filled envelope made up of a base plate and a face plate. The base plate carries a plurality of display cathodes arrayed in rows and columns and, substantially coplanar therewith, a plurality of scan cathodes arrayed in rows and columns, with each row of scan cathodes being positioned between two rows of display cathodes. A single anode is formed on the face plate of the envelope, and suitable masking is provided so that a viewer can see only the display cathodes through the face plate. In operation of the panel, the scan cathodes are energized column-by-column, and selected adjacent display cathodes are energized simultaneously to display a message or character.

REFERENCES:
patent: 2858480 (1958-10-01), Shadowitz
patent: 3873870 (1975-03-01), Fukushima et al.
patent: 3882349 (1975-05-01), Holz et al.
patent: 3886389 (1975-05-01), Ogle

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