US PATENT SUBCLASS 396 / 181
.~.~ Shutter controlled by explosive force of flash device

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

155  DF  WITH OBJECT ILLUMINATION FOR EXPOSURE {21}
180  DF  .~ Having exposure synchronizer {13}
181.~.~ Shutter controlled by explosive force of flash device

DEFINITION

Classification: 396/181

Shutter controlled by explosive force of flash device:

(under subclass 180) Subject matter wherein a flash device includes a combustible material the ignition of which provides a mechanical force to open or close a shutter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 777, for a foreign art collection involving artificial illumination with synchronized shutter controlled by explosive force of flash device.