Holographic television apparatus with semiconductor device

Optical: systems and elements – Prism – With reflecting surface

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357 17, 357 19, 357 55, 357 31, 357 37, 357 38, 359 6, 359 7, 359 22, 359 32, 359 33, H01L 2714

Patent

active

050499637

ABSTRACT:
A holographic television apparatus is disclosed for detecting and displaying three-dimensional holographic information corresponding to a holographic optical interference pattern. The apparatus includes an image detecting device for successively detecting two-dimensional slices of the three-dimensional holographic optical interference pattern, an image reproduction device for successively reproducing two-dimensional slices of the three-dimensional holographic optical interference pattern, a transmission means connecting the image detection device to the image reproduction device, and an actuation unit for moving the image detection device at predetermined regular intervals in an depth direction normal to the two-dimensional image portions to obtain information with respect to the three-dimensional optical interference pattern at unformly spaced two-dimensional layers thereof corresponding to the displacement intervals. The reproduction device includes a display device which displays the three-dimensional portions of the three dimensional interference pattern. The actuation unit moves the display device at predetermined regular intervals in a depth direction normal to a display plane thereof to display information with respect to the three-dimensional optical interference pattern at uniformly spaced two-dimensional layers thereof corresponding to the displacement intervals of the display device. The displacements of the image detector and display device occur at a speed faster than the response speed of the human eye to achieve display of a convincingly three-dimensional image.

REFERENCES:
patent: 4304458 (1981-12-01), Huignard et al.
patent: 4462040 (1984-07-01), Ho et al.
patent: 4654685 (1987-03-01), Yamada
patent: 4738498 (1988-04-01), Baba
patent: 4920389 (1990-04-01), Itoh
patent: 4941030 (1990-07-01), Majumdar

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