US PATENT SUBCLASS 378 / 153
.~.~.~ With pivotal leaf motion

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}
153.~.~.~ With pivotal leaf motion

DEFINITION

Classification: 378/153

With pivotal leaf motion:

(under subclass 150) Subject matter wherein the aperture in the collimator is bounded by movable leaves of X-ray opaque material and these leaves are each movable about pivot points.