EVANS & SUTHERLAND COMPUTER CORPORATION

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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 790
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 4131
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 3239
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 129
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
G09B EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS 142
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9641826 System and method for displaying distant 3-D stereo on a dome surfaceJul 10, 12May 02, 17[H04N]
8702248 Projection method for reducing interpixel gaps on a viewing surfaceJun 11, 09Apr 22, 14[G03B]
8358317 System and method for displaying a planar image on a curved surfaceMay 26, 09Jan 22, 13[G09G, G06T, G02B, G03B, G06K]
8077378 Calibration system and method for light modulation deviceNov 12, 09Dec 13, 11[G02B]
7038735 Video display system utilizing gamma correctionJan 04, 02May 02, 06[H04N]
7012669 Reflection barrier for panoramic displayMar 09, 04Mar 14, 06[G03B]
6856449 Ultra-high resolution light modulation control system and methodJul 10, 03Feb 15, 05[G02B]
D495306 Display station and three-dimensional display ceilingApr 28, 03Aug 31, 04[1403]
D440794 Display stationMay 08, 00Apr 24, 01[0699]
D436469 WorkstationFeb 08, 00Jan 23, 01[0603]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7891818 System and method for aligning RGB light in a single modulator projectorExpiredDec 12, 07Feb 22, 11[G03B]
7766483 Optical projection system and methods for configuring the sameExpiredApr 05, 06Aug 03, 10[G09B, G03B]
7675513 System and method for displaying stereo imagesExpiredDec 02, 08Mar 09, 10[G06T]
7628327 Shuttering system for scanning projectorsExpiredMar 24, 05Dec 08, 09[G06K]
2009/0219,491 Method of combining multiple Gaussian beams for efficient uniform illumination of one-dimensional light modulatorsAbandonedOct 20, 08Sep 03, 09[G02B, G03B, H01S]
2009/0168,186 DEVICE AND METHOD FOR REDUCING ETENDUE IN A DIODE LASERAbandonedSep 08, 08Jul 02, 09[G02B]
2009/0028,195 SYSTEM AND METHOD FOR FREQUENCY CONVERSION OF COHERENT LIGHTAbandonedJan 11, 08Jan 29, 09[H01S]
2009/0002,644 INVISIBLE SCANNING SAFETY SYSTEMAbandonedMay 21, 08Jan 01, 09[F16P, G03B]
2008/0259,988 OPTICAL ACTUATOR WITH IMPROVED RESPONSE TIME AND METHOD OF MAKING THE SAMEAbandonedJan 22, 08Oct 23, 08[B05D, H01S]
7420177 High-resolution-imaging system for scanned-column projectorsExpiredJan 20, 06Sep 02, 08[G03B]
7400449 System and method for reduction of image artifacts for laser projectorsExpiredSep 29, 06Jul 15, 08[G02B]
2008/0055,618 Interpolation table with logarithmically distributed entriesAbandonedAug 31, 06Mar 06, 08[G03F]
7334902 Wide angle scanner for panoramic displayExpiredMar 28, 05Feb 26, 08[G03B]
7327909 Method for tuning a fiber optic componentExpiredMar 23, 06Feb 05, 08[G02B]
7215840 Thermally-controlled fiber optic tuning and isolating deviceExpiredMar 23, 06May 08, 07[G02B]
2007/0091,488 Optical element mountAbandonedOct 21, 05Apr 26, 07[G02B]
7197200 Tension-controlled fiber optic tuning and isolating deviceExpiredMar 23, 06Mar 27, 07[G02B]
7193765 Reduction of speckle and interference patterns for laser projectorsExpiredMar 31, 05Mar 20, 07[G02F]
2006/0284,889 System and method for combining independent scene layers to form computer generated environmentsAbandonedAug 16, 06Dec 21, 06[G09G]
2006/0284,890 System and method for combining independent scene layers to form computer generated environmentsAbandonedAug 16, 06Dec 21, 06[G09G]

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