LEDOR, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 10232
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 5200
 
  
 
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 4129
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 3148
 
  
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 148
 
  
 
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 196
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7804995 Stereoscopic format converterJul 02, 03Sep 28, 10[G06K]
7616227 Hardware based interdigitationOct 01, 04Nov 10, 09[H04N]
7616228 Hardware based interdigitationApr 29, 05Nov 10, 09[H04N]
7502003 Method for eliminating pi-cell artifactsJan 19, 01Mar 10, 09[G09G]
7375886 Method and apparatus for optimizing the viewing distance of a lenticular stereogramApr 19, 04May 20, 08[G02B]
7184002 Above-and-below stereoscopic format with signifierMar 29, 02Feb 27, 07[G09G]
7099080 Autostereoscopic lenticular screenAug 30, 01Aug 29, 06[G02B]
7088515 Autostereoscopic lens sheet with planar areasFeb 12, 04Aug 08, 06[G02B]
6975345 Polarizing modulator for an electronic stereoscopic displayMar 27, 98Dec 13, 05[H04N]
6388797 Electrostereoscopic eyewearOct 22, 99May 14, 02[G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7671889 Autostereoscopic pixel arrangement techniquesExpiredJun 07, 01Mar 02, 10[H04N]
7489445 Convertible autostereoscopic flat panel displayExpiredJan 29, 04Feb 10, 09[G02B]
7002618 Plano-stereoscopic DVD movieExpiredMay 31, 02Feb 21, 06[H04N]
6985296 Neutralizing device for autostereoscopic lens sheetExpiredApr 15, 04Jan 10, 06[G09G, G02B]
6850210 Parallax panoramagram having improved depth and sharpnessExpiredMay 09, 01Feb 01, 05[G09G]
2004/0263,969 Lenticular antireflection displayAbandonedNov 25, 03Dec 30, 04[G02B]
2004/0263,971 Dual mode autosteroscopic lens sheetAbandonedFeb 12, 04Dec 30, 04[G02B]
6519088 Method and apparatus for maximizing the viewing zone of a lenticular stereogramExpiredFeb 20, 02Feb 11, 03[G02B, A61B]
5757546 Electronic stereoscopic viewerExpiredDec 03, 93May 26, 98[H04N, G02B]
5063441 Stereoscopic video cameras with image sensors having variable effective positionExpiredOct 11, 90Nov 05, 91[H04N]
4967268 Liquid crystal shutter system for stereoscopic and other applicationsExpiredJul 31, 89Oct 30, 90[H04N]
4884876 Achromatic liquid crystal shutter for stereoscopic and other applicationsExpiredNov 02, 88Dec 05, 89[G02F]
4792850 Method and system employing a push-pull liquid crystal modulatorExpiredNov 25, 87Dec 20, 88[H04N]

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