Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1982-09-15
1985-12-03
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340763, 340812, 340805, G09G 300
Patent
active
045568766
ABSTRACT:
According to the present invention, the driving timing for each segment in a segment type digital display unit can be controlled independently on the basis of either one or both of the lighting history of each segment stored in a memory section and a detected temperature from a temperature detector mounted near segments. Therefore, the discriminatability particularly at low temperatures can be improved with little influence of the temperature and lighting history of segments.
REFERENCES:
patent: 3907405 (1975-09-01), Fukai et al.
patent: 3973254 (1976-08-01), Nomiya et al.
patent: 4338623 (1982-07-01), Asmus et al.
Goto Hirofumi
Matsukawa Fumio
Shimizu Osamu
Adams Bruce L.
Burns Robert E.
Curtis Marshall M.
Lobato Emmanuel J.
Mitsubishi Denki & Kabushiki Kaisha
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