US PATENT SUBCLASS 378 / 149
.~.~ Multiaperture

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378 /   HD   X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

145  DF  BEAM CONTROL {6}
147  DF  .~ Collimator {3}
149.~.~ Multiaperture

DEFINITION

Classification: 378/149

Multiaperture:

(under subclass 147) Subject matter wherein the collimator is formed of a large number of small apertures, e.g., arranged in the form of a honeycomb, which apertures are employed simultaneously.