US PATENT SUBCLASS 359 / 8
.~.~ Having nonplanar recording medium surface

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

1  DF  HOLOGRAPHIC SYSTEM OR ELEMENT {16}
3  DF  .~ Having particular recording medium {2}
8.~.~ Having nonplanar recording medium surface

DEFINITION

Classification: 359/8

Having nonplanar recording medium surface:

(under subclass 3) Subject matter in which an illuminated portion of the recording medium surface is curved, as into a cylinder, or bent or folded during recording or readout.