Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1994-01-21
1995-05-23
Lerner, Martin
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 18, 359478, G02B 532, G02B 2610, G02B 2722
Patent
active
054186323
ABSTRACT:
A three dimensional display having a rotating screen, preferably helical in shape, a light source providing a beam of light and a holographic pattern deflecting the beam of light to predetermined points on the screen. The light is modulated, preferably by the holographic pattern. The holographic pattern rotates with the same angular velocity as the screen. The holographic pattern comprises a plurality of concentric circles, each of the circles comprising a plurality of cells, each of the cells representing a point on the screen.
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Donaldson Richard L.
Grossman Rene E.
Lerner Martin
Texas Instruments Incorporated
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