ENERGY CONVERSION DEVICES, INC., ("ECD")

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4907088 Contact-type imager for use as the front end of copier apparatusExpiredJul 21, 88Mar 06, 90[H04N]
4868616 Amorphous electronic matrix array for liquid crystal displayExpiredDec 11, 86Sep 19, 89[H01L]
4868664 Contact type image replication employing a light piping faceplateExpiredJun 20, 88Sep 19, 89[H04N]
4827084 Solid state image detector and signal generatorExpiredNov 19, 87May 02, 89[G08C]
4792859 Digitizing wand adapted for manual and automatic operationExpiredFeb 09, 87Dec 20, 88[H04N]
4777534 Light piping substrate for contact type image replicationExpiredOct 22, 87Oct 11, 88[H04N]
4768096 Contact-type portable digitizing wand for scanning image-bearing surfacesExpiredOct 22, 87Aug 30, 88[H04N]
4766500 Method of replicating images on a contoured image-bearing surfaceExpiredJul 06, 87Aug 23, 88[H04N]
4764682 Photosensitive pixel sized and shaped to optimize packing density and eliminate optical cross-talkExpiredSep 16, 86Aug 16, 88[H01L, H04N]
4746804 Photosensitive pixel with exposed blocking elementExpiredSep 08, 87May 24, 88[H04N]
4746989 Contact-type imager for scanning moving image-bearing membersExpiredOct 30, 86May 24, 88[H04N]
4739414 Large area array of thin film photosensitive elements for image detectionExpiredJul 15, 86Apr 19, 88[H04N]
4728802 Balanced drive photosensitive pixel and method of operating the sameExpiredSep 17, 86Mar 01, 88[H01L]
4728803 Signal processing apparatus and method for photosensitive imaging systemExpiredJul 15, 86Mar 01, 88[H01J]
4725889 Photosensitive line imager utilizing a movable scanning armExpiredJul 15, 86Feb 16, 88[H04N]
4725890 Flexible array of photosensitive elementsExpiredJul 15, 86Feb 16, 88[H04N]
4714836 Photosensitive pixel with exposed blocking elementExpiredSep 16, 86Dec 22, 87[H01L, H04N]
4703336 Photodetection and current control devicesExpiredApr 17, 86Oct 27, 87[H01L]
4691243 Contact-type document scanner including protective coatingExpiredSep 29, 86Sep 01, 87[H04N]
4691244 Contact-type document scanner including static shieldExpiredSep 29, 86Sep 01, 87[H04N]

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