US PATENT SUBCLASS 396 / 400
.~.~.~ Having film transport mechanism locked by perforation sensing pawl

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

387  DF  WITH FILM DRIVE {7}
395  DF  .~ Film movement limiting means {2}
397  DF  .~.~ From film itself {3}
400.~.~.~ Having film transport mechanism locked by perforation sensing pawl

DEFINITION

Classification: 396/400

Having film transport mechanism locked by perforation sensing pawl:

(under subclass 397) Subject matter wherein movement of a member which rides on the film and in response to a film opening shifts a member to prohibit further operation of the film drive means.