(under the class definition) Subject matter wherein acoustic waves reflected or refracted from an object are used to form a visual representation of the exterior of the object or to form an electrical signal or record from which a visual representation of the object may be derived.
SEE OR SEARCH CLASS
73, Measuring and Testing,
596+, for acoustic imaging of the interior of an object.
348, Television,
163, for acoustic imaging wherein the means which forms the visual representation is a television system.
600, Surgery,
400, for acoustic imaging of the eye; subclass 500 for detecting blood vessel pulsation, and subclass 509 for detecting electrical heart beat signals.
