Optical: systems and elements – Signal reflector – 3-corner retroreflective
Patent
1992-06-08
1993-02-23
Arnold, Bruce Y.
Optical: systems and elements
Signal reflector
3-corner retroreflective
156230, G02B 5124
Patent
active
051895536
ABSTRACT:
Retroreflective cube corner elements are arranged within layered articles at positions proximate a neutral axis to optimize their performance upon bending or twisting of the article. The elements and surfacs may be embodied in flexible sheeting materials suitable for curving about an object.
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Arnold Bruce Y.
Bates Carolyn A.
Forrest Peter
Griswold Gary L.
Minnesota Mining and Manufacturing Company
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