US PATENT SUBCLASS 396 / 380
.~.~ Variable size of mask opening


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

373  DF  WITH VIEWFINDER {9}
378  DF  .~ Selective or adjustable viewfinder field {3}
380.~.~ Variable size of mask opening


DEFINITION

Classification: 396/380

Variable size of mask opening:

(under subclass 378) Subject matter in which a portion of the scene that is viewed is changeable by altering the dimension of a viewing aperture.

SEE OR SEARCH THIS CLASS, SUBCLASS:

435+, for variable frame masking.