IMAX THEATRES INTERNATIONAL LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 4356
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 24181
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 20222
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 10123
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 7144
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 6129
 
  
 
H01S DEVICES USING STIMULATED EMISSION686
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 4194
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 375
 
  
 
G03F PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR 2102

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0371,173 Despeckling System for Projected LightFeb 18, 16Dec 28, 17[H04N, G02B]
2017/0363,946 METHODS AND SYSTEMS OF VIBRATING A SCREENDec 08, 15Dec 21, 17[G02B, G03B]
2013/0182,322 STEREOSCOPIC GLASSES USING TILTED FILTERSJan 17, 12Jul 18, 13[G02B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9915820 Projector optimized for modulator diffraction effectsMar 15, 13Mar 13, 18[H04N, G02B, G03B, G02F]
9888153 Observer metameric failure compensation method and systemAug 13, 15Feb 06, 18[H04N, G01J, G09G, G06T]
9696472 Stereo viewing deviceDec 12, 14Jul 04, 17[H04N, G02B, C09B]
9465284 Methods and systems of vibrating a screenMay 23, 16Oct 11, 16[B06B, G02B, G03B]
9405180 Color dependent aperture stopMar 15, 13Aug 02, 16[H04N, G02B, G03B]
9335541 Stereoscopic glasses using dichroic and absorptive layersJan 17, 12May 10, 16[H04N, G02B]
9305384 Hybrid image decomposition and projectionAug 14, 12Apr 05, 16[H04N, G06T]
9140607 Observer metameric failure reduction methodJul 27, 12Sep 22, 15[G01J, H04N, G09G, G03F, G06K]
9134178 Observer metameric failure compensation methodJul 27, 12Sep 15, 15[G01J, H04N, G09G, G03F, G06K]
9069105 Low thermal stress birefringence imaging lensOct 01, 13Jun 30, 15[G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8651663 Stereoscopic projector using scrolling color bandsExpiredOct 03, 11Feb 18, 14[H04N, G06T, G02B, G03B, G02F]
2013/0093,805 DOUBLE STACKED PROJECTIONAbandonedJun 21, 11Apr 18, 13[H04N]
2009/0153,752 PROJECTOR USING INDEPENDENT MULTIPLE WAVELENGTH LIGHT SOURCESAbandonedDec 14, 07Jun 18, 09[H04N]
6999838 System and method for improving laser power and stabilization using high duty cycle radio frequency injectionExpiredJan 07, 03Feb 14, 06[H01S]
6987586 Method of digital processing for digital cinema projection of tone scale and colorExpiredMar 02, 01Jan 17, 06[G06F]
6984039 Laser projector having silhouette blanking for objects in the output light pathExpiredDec 01, 03Jan 10, 06[G03B]
6950454 Electronic imaging system using organic laser array illuminating an area light valveExpiredMar 24, 03Sep 27, 05[H01S]
6863402 Apparatus for displaying a color image from digital dataExpiredMay 06, 04Mar 08, 05[G03B, G02F]
6857748 Apparatus for displaying a color image from digital dataExpiredMay 06, 04Feb 22, 05[G03B, G02F]

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