Communications: electrical – Digital comparator systems
Patent
1984-12-24
1986-07-15
Rowland, James L.
Communications: electrical
Digital comparator systems
340 66, 340 94, 340 97, B60Q 126
Patent
active
046009132
ABSTRACT:
A collision avoidance device for providing integrated and more standardized visual indications and methods as a system of the degree of safety space cushion following distance conditions between leading and following vehicles. The device is mounted on a central housing placed on the rear of a leading vehicle at approximately center eye level for viewing by the drivers of the following vehicles. A safe distance light is included in the housing as well as a brake light. The safe distance signal light includes a plurality of illuminated areas with opaque spaces therebetween. The opaque spaces are of sequentially increasing width or thickness. The opaque spaces will progressively disappear to the view of the driver of the following vehicles with greater distance from the leading vehicle. Additional safety lights can be included such as a green safety light as well as directional signals. The green light can be used to indicate acceleration, or may be used to indicate that the set belts are fastened. The lights in the device can be formed to blink with emergency stopping. The integration of all of the various safety illuminated factors provides a basic method of visual stimulation and an increase in the driver' s earlier visual perception and mental awareness of the safety conditions so as to improve the resultant earlier reaction time for stopping as well as based upon an awareness of proper safe spacing between the vehicles indicating visual cues as perceived by the drivers of the following vehicles.
REFERENCES:
patent: 2330561 (1943-09-01), Dietrich
patent: 3501742 (1970-03-01), Ellison
patent: 3518624 (1970-06-01), Smith
patent: 3711828 (1973-01-01), Hawkins
patent: 3787808 (1974-01-01), Knopf
patent: 3868629 (1975-02-01), Caine
Hofsass Jeffery A.
Rowland James L.
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