US PATENT SUBCLASS 356 / 347
.~ Holography


Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

345  DF  BY LIGHT INTERFERENCE (E.G., INTERFEROMETERS) {11}
347.~ Holography {1}
348  DF  .~.~> For optical configuration


DEFINITION

Classification: 356/347

Holography:

(under subclass 345) Subject matter wherein at least one of the interference light beams is reconstructed from a record of the phase and amplitude information of that light beam wavefront.

SEE OR SEARCH CLASS

73, Measuring and Testing,

71.3, for holograms used in vibration testing.

250, Radiant Energy,

550, for holos:graphic pattern detection.

359, Optics: Systems (Including Communication) and Elements, 1+, for basic subject matter in the field of holography.