Communications: electrical – External condition vehicle-mounted indicator or alarm – Highway information
Patent
1996-01-02
1998-03-17
Crosland, Donnie L.
Communications: electrical
External condition vehicle-mounted indicator or alarm
Highway information
340907, 3409081, 340910, 340917, 340934, 340939, 340525, 364436, 364437, G08G 109
Patent
active
057292140
ABSTRACT:
Digitally-effectuated, automatic control over the message or messages displayed on one or more programmable display mediums in response to changing conditions, or anticipated changing conditions, in the vicinity of the display mediums is disclosed.
REFERENCES:
patent: 3614727 (1971-10-01), Fritts
patent: 4727371 (1988-02-01), Wulkowicz
patent: 4896153 (1990-01-01), Pastorino
patent: 4985705 (1991-01-01), Stammler
patent: 5131020 (1992-07-01), Liebesny et al.
patent: 5289183 (1994-02-01), Hassett et al.
patent: 5317311 (1994-05-01), Martell et al.
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