Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1978-02-14
1980-04-29
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340750, 340726, 340709, 340721, G06F 314
Patent
active
042008697
ABSTRACT:
A data display control system for displaying respective data memorized in a plurality of refresh memories which is operable in various display modes including a selective picture display, a superimposed picture display and a shifting picture display. Individual data memorized in respective refresh memories contain each a display control bit adapted to determine whether or not the individual data are to be displayed on the screen. The data display control system reads out from the respective refresh memories a data information to be picture-displayed and only when the contents of a display control bit contained in the data information designate a display, it converts this data information into a video signal for a picture display. The contents of the display control bit are changeable for individual data.
REFERENCES:
patent: 3242470 (1966-03-01), Hagelbarger et al.
patent: 3524181 (1970-08-01), Criscimagna et al.
patent: 3686662 (1972-08-01), Blixt et al.
patent: 3771155 (1973-11-01), Hayashi et al.
patent: 3976831 (1976-08-01), Danell et al.
Hamada Nagaharu
Hara Toshitaka
Hayashi Yukitaka
Murayama Norio
Curtis Marshall M.
Hitachi , Ltd.
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