Optical: systems and elements – Holographic system or element
Patent
1995-06-07
1997-12-30
Henry, Jon W.
Optical: systems and elements
Holographic system or element
359567, 359 15, G02B 532
Patent
active
057037035
ABSTRACT:
A holographic ornament comprises a hologram which has an operative surface. In one embodiment, the operative surface is masked by a masking member. The masking member is formed with at least one letter-shaped cut through which a part of the operative surface of the hologram is exposed. In order to protect the masking member and the exposed part of the operative surface, a transparent protection cover member covers them. In the other embodiment, the hologram per se is formed with at least one through cut which is shaped like a letter or the like. In order to protect the operative surface, a transparent protection cover member covers the same.
REFERENCES:
patent: 3017713 (1962-01-01), Butler
patent: 4014602 (1977-03-01), Ruell
patent: 4799739 (1989-01-01), Newswanger
patent: 5101193 (1992-03-01), Smith et al.
patent: 5223357 (1993-06-01), Lovison
Central Glass Company Limited
Henry Jon W.
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