1979-03-06
1981-09-29
Gellner, Michael L.
354 60L, 354289, G03B 1720
Patent
active
042919606
ABSTRACT:
In the display system disclosed, a manually operated switching arrangement sets a display circuit, which displays data in response to a data signal from a data circuit, either into a display mode or a non-display mode. A control arrangement controls the display of the display circuit independently of the switching arrangement and produces a display signal automatically when a display operation is necessary. A warning circuit sets the display circuit into the display state independent of the switching means for displaying warning data instead of display data.
REFERENCES:
patent: 3164075 (1965-01-01), Schulze
patent: 3527149 (1970-09-01), Starp et al.
patent: 3698299 (1972-10-01), Arisaka et al.
patent: 3699857 (1972-10-01), Wagner et al.
Ito Tadashi
Murakami Hiroyasu
Sakurada Nobuaki
Shinoda Nobuhiko
Suzuki Masayuki
Canon Kabushiki Kaisha
Gellner Michael L.
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