Reflex reflector device

Details Reflex reflector device Reflex reflector device

1980-04-29

1981-12-01

Corbin, John K.

Road structure, process, or apparatus

Apparatus

Rotating drum, roller or tire

404 14, G02B 5124

Patent

active

043033059

ABSTRACT:
The reflectivity of a reflex reflector device comprising a reflex reflector element having corner cube reflecting elements on a rear surface thereof is improved, particularly at high entrance angles, by the provision of a second reflex reflector element behind the first reflex reflector element. The second reflex reflector element has corner cube reflecting elements which are on a rear surface thereof and which have a linear size five to ten times smaller than that of the corner cube reflecting elements of the first reflex reflector. Further improvements can be obtained if the corner cube reflecting elements of the second reflex reflector are angled relative to the front surface of the first reflex reflector.

REFERENCES:
patent: 3355341 (1967-11-01), Bertsche
patent: 3684348 (1972-08-01), Rowland
patent: 3712706 (1973-01-01), Stamm
patent: 3975083 (1976-08-01), Rowland

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