US PATENT SUBCLASS 378 / 98.11
.~.~.~.~ With image subtraction

Current as of: June, 1999
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378 /   HD   X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

91  DF  ELECTRONIC CIRCUIT {7}
98  DF  .~ With display or signaling {1}
98.2  DF  .~.~ Televison {8}
98.9  DF  .~.~.~ With plural X-ray energies {1}
98.11.~.~.~.~ With image subtraction

DEFINITION

Classification: 378/98.11

With image subtraction:

(under subclass 98.9) Subject matter wherein the television system includes means for subtracting one image from another and then displaying the resultant image so as to, for example, enhance the display of a particular body part such as a blood vessel.

SEE OR SEARCH CLASS

364, Electrical Computers and Data Processing Systems, appropriate subclasses for data processing.

382, Image Analysis, appropriate subclasses for image analysis.