Hologram having expanded viewing area

Details Hologram having expanded viewing area Hologram having expanded viewing area

1978-01-23

1978-12-19

Stern, Ronald J.

350 381, 350 386, G03H 116, G03H 132

Patent

active

041303385

ABSTRACT:
The use of a lenticular array in the formation of the object-illuminating beam used in the recording of either a Fresnel, a Fraunhofer or an image plane hologram, permits the reconstructed image of the object, on playback of the hologram, to be directly viewed over an expanded image viewing area.

REFERENCES:
patent: 3523054 (1970-08-01), Heflinger et al.
patent: 3640599 (1972-02-01), VANLigten
patent: 3659914 (1972-05-01), Brooks
patent: 3677616 (1972-07-01), Lewis
patent: 3749469 (1973-07-01), Gayeski
patent: 3756684 (1973-09-01), Fox
patent: 3770340 (1973-11-01), Cronin et al.
patent: 3785712 (1974-01-01), Hannan

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