Passive, reusable device for amusement or for warning

Details Passive, reusable device for amusement or for warning Passive, reusable device for amusement or for warning

1988-11-22

1989-12-12

Epstein, Henry F.

Stock material or miscellaneous articles

Bow, pompom or rosette

28147, 116 63P, 404 9, 428 30, D04D 708

Patent

active

048866873

ABSTRACT:
A passive, reusable visual amusement or warning device includes a handle and a number of light diffracting strips bearing an embossed holographically generated diffraction pattern. The diffraction pattern in the foil is produced in a planar format, and the strips bearing the pattern are displayed and viewed in a curved format. Ambient light striking the strips is diffracted to produce a dynamic, kaleidoscopic readily noticed display of brilliant colors.

REFERENCES:
patent: 2968890 (1961-01-01), De Nisco
patent: 3011383 (1961-12-01), Sylvester et al.
patent: 4055840 (1977-10-01), Uchytil et al.
patent: 4201806 (1980-05-01), Cole
patent: 4369215 (1983-01-01), Offen et al.
patent: 4385087 (1983-05-01), Roberts et al.
patent: 4490419 (1984-12-01), Sliva

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