System and method for rotational scanner based volume display

Details System and method for rotational scanner based volume display System and method for rotational scanner based volume display

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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