US PATENT SUBCLASS 353 / 88
SHUTTER


Current as of: June, 1999
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353 /   HD   OPTICS: IMAGE PROJECTORS

88SHUTTER {4}
89  DF  .~> Plural projection paths {1}
91  DF  .~> Solenoid operated
92  DF  .~> Slides reciprocated horizontally from magazine
93  DF  .~> Dissolve type


DEFINITION

Classification: 353/88

(under the class definition) Subject matter including means to interrupt the light from the lamp in the projector, usually during movement or changing of the picture carrier.

SEE OR SEARCH CLASS

352, Optics: Motion Pictures,

204+, for motion-picture shutters.

355, Photocopying,

71, for a projection printer having a shutter, diaphragm, polarizer or filter.

359, Optics: Systems (Including Communication) and Elements, 738+, for lenses combined with such shutters or diaphragms and subclasses 227+ for shutters or diaphragms, per se.

396, Photography,

452+, for camera shutters.