Optical: systems and elements – Signal reflector
Patent
1990-12-20
1992-01-28
Ben, Loha
Optical: systems and elements
Signal reflector
359530, G02B 512
Patent
active
050847821
ABSTRACT:
An optical tape for use decoratively includes a back portion of a first color, a serrated front portion made of a clear plastic. The serrations include alternating wide and narrow grooves such that a side of a wide groove adjoins a side of a narrow groove at an angle of substantially 90.degree.. The sides of each narrow groove have a second color. When the tape is viewed from a distant point, only the first color of the back portion is seen, but when viewed from up-close, substantially only the second color of the narrow grooves is seen.
REFERENCES:
patent: 3779629 (1973-12-01), Green
patent: 4034555 (1977-07-01), Rosenthal
patent: 4634220 (1987-01-01), Hockert et al.
patent: 4799137 (1989-01-01), Aho
patent: 4895428 (1990-01-01), Nelson et al.
Ben Loha
Eastman Kodak Company
Nguti Tallam I.
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