Character display apparatus for providing a viewing frame for a

Details Character display apparatus for providing a viewing frame for a Character display apparatus for providing a viewing frame for a

1975-01-16

1976-08-10

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

340154, G06F 314

Patent

active

039744949

ABSTRACT:
A character display apparatus for displaying a character pattern on a display panel includes circuitry for providing a viewing frame of rectangular shape to point out a data input area.

REFERENCES:
patent: 2595646 (1952-05-01), Doba, Jr. et al.
patent: 3466645 (1969-09-01), Granberg et al.
patent: 3648272 (1972-03-01), Schroder et al.

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