Optical: systems and elements – Holographic system or element – Having optical element between object and recording medium
Patent
1991-06-20
1992-09-01
Arnold, Bruce Y.
Optical: systems and elements
Holographic system or element
Having optical element between object and recording medium
354276, 354278, 359 35, G03H 104, G03B 1726
Patent
active
051444615
ABSTRACT:
A holographic camera assembly includes a portable, light-tight housing having a removable cover to access the interior thereof. Camera components are positioned upon an optics tray within the housing which is vibrationally isolated from the housing. The film is releasably mounted within a frame and includes a releasable film casing protecting the film from ambient light. The frame, including the film and casing, is releasably mounted upon a rotatable platform in one corner of the tray and a three-dimensional object of one's choice is positioned therebehind. The cover is replaced upon the housing making the interior thereof light-tight. Means operable at a control panel externally of the housing selectively raise and lower the casing about the film. When in the fully raised position, a coherent light beam is allowed to travel along a fixed path (by action of a timed shutter mechanism) to pass through the film to strike the object. The reflection of light by the object back to the film creates the hologram. Following exposure, the casing is again lowered about the film which may then be removed from the housing for further film processing.
REFERENCES:
patent: H841 (1990-11-01), Lanteigne
patent: 3526444 (1970-09-01), Carcel et al.
patent: 3826555 (1974-07-01), Matsumoto
patent: 3837726 (1974-09-01), Suzuki et al.
patent: 4508420 (1985-04-01), Nishiwaki
patent: 4707053 (1987-11-01), Gurevich et al.
patent: 4712851 (1987-12-01), Fusek et al.
"Real-Time Holography Plateholder," Gaertner Scientific Company, Chicago, Ill., Bulletin 156-71L (1972).
Arnold Bruce Y.
Lerner Martin
McGuire Katherine
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