US PATENT SUBCLASS 352 / 91 C
.~.~ In a camera


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

85  DF  SPECIAL EFFECTS {5}
91 R  DF  .~ Transition effects (e.g., wipes and dissolves) {1}
91 C.~.~ In a camera {1}
91 S  DF  .~.~.~> Film transport controlled

Unofficial Alpha Subclasses: R C S

DEFINITION

Classification: 352/91

(under subclass 85) Subject matter including means to change from one motion sequence to another with a blending of picture material of the two sequences.

SEE OR SEARCH THIS CLASS, SUBCLASS:

217, for shutters which progressively alter the exposure to produce dissolves.