Visual display with column separators

Details Visual display with column separators Visual display with column separators

1977-04-12

1979-03-27

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

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

340750, G06K 1520

Patent

active

041468791

ABSTRACT:
The specification shows and describes a visual display of the CRT variety wherein column separator lines may be displayed intermediate character matrix positions as an operator aid. The visual column separators further do not require that any character position be used or encroached upon and where limited spacing occurs between character forming dot matrices, logic delays may be utilized in the video modify circuitry to displace the separator line and thereby visually distinguish such separator line from any adjoining character.

REFERENCES:
patent: 3648272 (1972-03-01), Schroder et al.
patent: 3858198 (1974-12-01), Ross

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