US PATENT SUBCLASS 378 / 151
.~.~.~ Automatic

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

145  DF  BEAM CONTROL {6}
147  DF  .~ Collimator {3}
150  DF  .~.~ Variable {3}
151.~.~.~ Automatic

DEFINITION

Classification: 378/151

Automatic:

(under subclass 150) Subject matter wherein the collimator is caused to vary in response to the sensing of some condition of the X-ray device or the object.