Lumens Digital Optics Inc.

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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 295
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8282220 Structure for projector with color sensorSep 08, 09Oct 09, 12[G02B, G03B, G06K]
6496244 Storing structure for document cameraJun 06, 01Dec 17, 02[H04N, G03B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8492999 System and method for controlling electrical power of LED and LED projector having the sameExpiredMar 17, 10Jul 23, 13[G05F]
2010/0053,779 DIGITAL PRESENTER USING GOOSENECKAbandonedNov 06, 08Mar 04, 10[G02B]
7342220 Lens assembly having focal length adjustable by a spacer for obtaining an image of an objectExpiredMar 10, 06Mar 11, 08[H01J]
2007/0171,386 PROJECTOR HAVING BRIGHTNESS-ADJUSTING MODULE AND METHOD FOR ADJUSTING BRIGHTNESS FOR THE SAMEAbandonedMar 24, 06Jul 26, 07[G03B]
2007/0103,599 Brightness-adjusting device for video wall system and method thereforAbandonedOct 02, 06May 10, 07[H04N]
2007/0046,626 Digital presenterAbandonedDec 28, 05Mar 01, 07[G09G]
2006/0233,542 Digital data presenting apparatusAbandonedJan 10, 06Oct 19, 06[G03B]
2006/0221,193 Visualizer and signal transmission method using low voltage differential signal technologyAbandonedFeb 10, 06Oct 05, 06[H04N]
2006/0187,307 Object boundary fitting system and method thereof for an digital data presenterAbandonedJan 31, 06Aug 24, 06[H04N]
2006/0061,681 Visual presentation apparatus having illuminating systemAbandonedDec 07, 04Mar 23, 06[H04N]

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