G03B21/50 - CPC Classification Index

ClassID:

175943 ⎘

G03B21/50 - CPC Classification

Classification description:

Projectors or projection-type viewers; Accessories therefor; Details; Details specially adapted for motion-picture projection Control devices operated by the film strip during the run

Sub-classes:

G03B21/52 » by prepared film 4

Recent Application in this class:

20190356879

2019-11-21

Projection system, projection device, and cradle

20130342812

2013-12-26

Projector system for animation of image cells

20110122368

2011-05-26

Projector system for animation of image cells

20080129963

2008-06-05

Animation by selected strobing of rotating images

20060221302

2006-10-05

Digital control unit for projector automation systems