US PATENT SUBCLASS 352 / 45
.~.~ Photographing with light filtration


Current as of: June, 1999
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352 /   HD   OPTICS: MOTION PICTURES

38  DF  METHODS {4}
44  DF  .~ Recording {5}
45.~.~ Photographing with light filtration


DEFINITION

Classification: 352/45

(under subclass 44) Subject matter including the filtering of the image bearing light before reaching the photo sensitive recording surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

42, for methods of controlling the projector involving color filtration.