Photograph booth with automatic holographic camera

Details Photograph booth with automatic holographic camera Photograph booth with automatic holographic camera

1987-03-04

1988-04-05

Arnold, Bruce Y.

350 38, G03H 104

Patent

active

047354747

ABSTRACT:
A photograph booth for providing a hologram of a human subject positioned inside the booth in facing relationship to a holographic sheet film on which the hologram of the subject is to be recorded. The booth comprises a Q-switched laser source for generating a pulsed laser beam having a coherence length of at least about one meter and a pulse duration of about 20 to about 100b nanoseconds, and a sheet film holder for supporting the holographic sheet film in a plane facing the subject. The booth according to the invention further includes a white light source operable prior to activation of the laser source for illuminating the subject with white light of sufficient intensity and over a sufficient period of time to cause pupil contraction to a size permitting safe illumination of the subject by the diverged object beam, and a film processing unit for developing the exposed film having the holographic interference pattern recorded thereon to provide a hologram representative of the human subject and viewable directly in white light.

REFERENCES:
patent: 3526444 (1970-09-01), Carcel et al.
patent: 3529883 (1970-09-01), Wuerker et al.
patent: 3556631 (1971-01-01), Cook
patent: 3644013 (1972-02-01), Gould
patent: 3758186 (1973-09-01), Brumm
patent: 3802758 (1974-04-01), Havener et al.
patent: 3837726 (1974-09-01), Suzuki et al.
patent: 3848096 (1974-10-01), Marko
patent: 4094575 (1978-06-01), Kellie
patent: 4329409 (1982-05-01), Wreede et al.
patent: 4474421 (1984-10-01), Nicholson
patent: 4598973 (1986-07-01), Greenleaf

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