Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1982-02-08
1985-02-19
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340723, 340799, G09G 128
Patent
active
045008752
ABSTRACT:
Digital information is usually displayed as a set of pixels which are arranged according to a line pattern within a two-dimensional area. For the storage of the information to be displayed, use is normally made of a picture memory. The content of an information pixel is stored in the memory as m bits (m>1). When use is made of a color map memory, the information can be displayed in different colors to be selected by a user. Selective display of the information is also possible, which means that only a selected number of the m bits are displayed. The invention provides a device for the display of digital information which enables selective display. In order to realize selective display, a device in accordance with the invention comprises a gate circuit with a control input on at least one connection between the display memory and the color map memory. Selective display in the form of picture pages and resolution enhancement is made possible by selected control signals on said control input.
REFERENCES:
patent: 4232311 (1980-11-01), Agneta
Briody Thomas A.
Curtis Marshall M.
Goodman Edward W.
Kovalick Vincent P.
Streeter William J.
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