US PATENT SUBCLASS 367 / 8
.~ Acoustic holography

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

7  DF  ACOUSTIC IMAGE CONVERSION {2}
8.~ Acoustic holography {2}
9  DF  .~.~> Seismic display
10  DF  .~.~> Liquid or deformable surface holography

DEFINITION

Classification: 367/8

Acoustic holography:

(under subclass 7) Subject matter in which the visible image is reconstructed from data derived from the interference pattern of the reflected or refracted acoustic waves and a coherent reference acoustic wave or from electrical signals representative of such data.

SEE OR SEARCH CLASS

73, Measuring and Testing,

603+, for acoustic image conversion involved in measuring or testing.