G03B21/40 - CPC Classification Index

ClassID:

175937 ⎘

G03B21/40 - CPC Classification

Classification description:

Projectors or projection-type viewers; Accessories therefor; Details; Details specially adapted for motion-picture projection Eliminating or reducing effect of flicker

Recent Application in this class:

20180246340

2018-08-30

Speckle reducing device and projector

20160334696

2016-11-17

Optical lens systems with dynamic iris for modulating image frames

20160041401

2016-02-11

Speckle reducting device and projector

20130169936

2013-07-04

Illumination device, projection device, and projection-type image display device

20120127437

2012-05-24

Wavelength-switched optical systems

20120075588

2012-03-29

Speckle reducting device and projector

20110025911

2011-02-03

Method of enhancing motion pictures for exhibition at a higher frame rate than that in which they were originally produced

20090322968

2009-12-31

VIDEO PROJECTOR AND METHOD FOR CONTROLLING VIDEO PROJECTOR

20090027549

2009-01-29

Method for processing motion pictures at high frame rates with improved temporal and spatial resolution, resulting in improved audience perception of dimensionality in 2-D and 3-D presentation

#10

20070171313

2007-07-26

Projection device and projection method

#11

20060244917

2006-11-02

Method for exhibiting motion picture films at a higher frame rate than that in which they were originally produced

#12

20050254011

2005-11-17

Method for exhibiting motion picture films at a higher frame rate than that in which they were originally produced

#13

20050157387

2005-07-21

Luminous source apparatus, image projecting apparatus and image projection converting apparatus