US PATENT SUBCLASS 396 / 180
.~ Having exposure synchronizer

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

155  DF  WITH OBJECT ILLUMINATION FOR EXPOSURE {21}
180.~ Having exposure synchronizer {13}
181  DF  .~.~> Shutter controlled by explosive force of flash device
182  DF  .~.~> Multiple illumination units for single exposure
183  DF  .~.~> Shutter relay or solenoid
184  DF  .~.~> Having pneumatic shutter release
185  DF  .~.~> Electromechanical energizing generator
186  DF  .~.~> Reflex mirror activates switch
187  DF  .~.~> Having time delay adjustment means {1}
189  DF  .~.~> Detachable synchronizer
190  DF  .~.~> Convertible
191  DF  .~.~> Percussive illumination source
192  DF  .~.~> Bulb substitution {1}
194  DF  .~.~> Curtain shutter
195  DF  .~.~> Actuated by shutter movement

DEFINITION

Classification: 396/180

Having exposure synchronizer:

(under subclass 155) Subject matter including means to actuate the illumination means in timed relationship with an exposure.

(1) Note. This and the indented subclasses include shutter mechanism which is synchronized with an operation of an activation switch in a flash lamp circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 776+, for a foreign art collection involving artificial illumination and camera synchronization.

SEE OR SEARCH CLASS

352, Optics: Motion Pictures,

177, for motion picture camera with starting or stopping means responsive to shutter and subclass 199 for projection light sources synchronized with shutter.