US PATENT SUBCLASS 359 / 18
.~.~.~ Flat rotating disk

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

1  DF  HOLOGRAPHIC SYSTEM OR ELEMENT {16}
15  DF  .~ Using a hologram as an optical element {3}
17  DF  .~.~ Scanner {1}
18.~.~.~ Flat rotating disk

DEFINITION

Classification: 359/18

Flat rotating disk:

(under subclass 17) Subject matter where the scanning element is a planar surface, containing holos:graphic segments, which is rotated about an axis normal to the surface.