Method and apparatus for enhancing a holographic image by candle

Details Method and apparatus for enhancing a holographic image by candle Method and apparatus for enhancing a holographic image by candle

1988-12-23

1990-07-10

Arnold, Bruce Y.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356447, 401522, 40553, 40559, 40561, G03H 100, F21V 3300, F21V 3500

Patent

active

049403010

ABSTRACT:
A method and apparatus for enhancing a holographic image in order to create an eerie spiritual visual image which can be used in conjunction with religious pictures in hologram form or an eerie visual image of decorative scenes for home or office furnishing purposes or Halloween or other scary situations. A holographic film incorporating an image therein is placed between two plates of optically transparent material such as glass. A direct source of illumination of the image through candlelight set at the focal point distance in front of the hologram film, within its focal plane and at a location no lower than the lowermost point of the holographic image creates the enhanced image and eerie effect in a dark room.

REFERENCES:
patent: 162144 (1875-04-01), Billingham
patent: 933531 (1909-09-01), Coffin
patent: 1518834 (1924-12-01), Blatner
patent: 1523441 (1925-01-01), Mincer
patent: 1884290 (1932-02-01), Schults et al.
patent: 4175750 (1979-11-01), Rugheimer et al.

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