Real time autostereoscopic displays using holographic diffusers

Details Real time autostereoscopic displays using holographic diffusers Real time autostereoscopic displays using holographic diffusers

1987-08-10

1989-01-24

Arnold, Bruce Y.

350131, G02B 532, G02B 2722

Patent

active

047997397

ABSTRACT:
Methods and apparatus for providing real time autostereoscopic displays using holographic diffusers are disclosed. In accordance with the method, a diffuse holographic optical element is fabricated whereby an image projected onto the diffused holographic optical element will be viewable only over a limited horizontal extent of less than the separation of a typical viewer's eyes. Then the holographic optical element is used as a projection screen for a plurality of projectors spatially positioned with respect to each other so that the horizontal position within which the image of each projector is viewable is substantially contiguous with the horizontal position of viewability of the respective adjacent projector whereby the autostereoscopic effect is achieved. Various embodiments, including the transmission mode and reflection mode holographic optical elements, are disclosed.

REFERENCES:
patent: 4500163 (1985-02-01), Burns et al.
Astuatsaturov et al., "Microprojection System Having a Holographic Screen", Sov. J. Opt. Technol., 50 (10), Oct. 1983, pp. 631-633.

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