US PATENT SUBCLASS 396 / 197
.~ Bulb substitution


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

155  DF  WITH OBJECT ILLUMINATION FOR EXPOSURE {21}
197.~ Bulb substitution


DEFINITION

Classification: 396/197

Bulb substitution:

(under subclass 155) Subject matter wherein the illumination means includes extra flash bulbs which are automatically exchanged for flash bulbs that have already been activated or are defective and which cannot produce light (e.g., flashcubes, flipflash, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

173, for multiple flashing from a single unit for a single exposure.

192, for bulb substitution of the illumination means in timed relationship with an exposure.

, FOR 794, for a foreign art collection involving object illumination with camera structure having lamp substitution.

SEE OR SEARCH CLASS

362, Illumination, 13, for lamp substitution or selection in photos:graphic lighting devices.