Three-dimensional image display device

Details Three-dimensional image display device Three-dimensional image display device

1993-12-13

1995-07-04

Lerner, Martin

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 18, 359 22, 359 23, 359 32, G03H 122, G03H 130

Patent

active

054305608

ABSTRACT:
A three-dimensional image display device which comprises a light source; a hologram divided into a plurality of divided areas and exposed so that point images are formed at different positions in a three-dimensional space in the respective divided areas when the light from the light source is irradiated; a hologram driver unit for driving the hologram such that light from the light source is selectively entered into one of the plurality of divided areas and; a control unit for controlling the lighting up of the point images formed in the three-dimensional space in correspondence to a three-dimensional image signal by controlling the hologram and the light source in accordance with the three-dimensional image signal to be displayed, whereby a three-dimensional image is obtained by the hologram with the simple-configured device.

REFERENCES:
patent: 3547510 (1970-12-01), DeBitetto
patent: 3608993 (1971-09-01), DeBitetto
patent: 3627916 (1971-12-01), Bestenreiner et al.
patent: 3636838 (1972-01-01), Chang et al.
patent: 3698787 (1972-10-01), Mueller et al.
patent: 3746783 (1973-07-01), Gerritsen et al.
patent: 3838903 (1974-10-01), Leith et al.
patent: 3842197 (1974-10-01), Broussaud et al.
patent: 3914544 (1975-10-01), Watanabe et al.

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