US PATENT SUBCLASS 359 / 10
.~ Using modulated or plural reference beams

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

1  DF  HOLOGRAPHIC SYSTEM OR ELEMENT {16}
10.~ Using modulated or plural reference beams {1}
11  DF  .~.~> Spatial, phase or amplitude modulation

DEFINITION

Classification: 359/10

Using modulated or plural reference beams:

(under subclass 1) Subject matter in which a hologram is formed by interfering an object-modulated beam with another beam which is spatially or temporally modulated or with a plurality of other beams.

(1) Note. Phase modulation systems to compensate for object motion and systems for extending the depth of fluid are included here.