US PATENT SUBCLASS 353 / 83
.~ Dissolve type

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

82  DF  PLURAL PROJECTION PATHS WITH SINGLE LIGHT SOURCE {1}
83.~ Dissolve type

DEFINITION

Classification: 353/83

(under subclass 82) Subject matter including means to fade in a picture in one projection path or to fade out the picture in the other projection path, usually by means of a shutter or by gradually shifting the lamp from one projection path to the other.