CROSFIELD ELECTRONICS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1194
 
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5239292 Computer graphics system electronically simulating painting on canvasAug 01, 91Aug 24, 93[G09G]
5172423 Methods and apparatus for defining contours in colored imagesSep 11, 91Dec 15, 92[G06K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5896122 Color image processingExpiredJan 22, 92Apr 20, 99[G09G]
5796873 Image enhancementExpiredSep 12, 91Aug 18, 98[G06K]
5373311 Image display apparatus and methodExpiredDec 31, 92Dec 13, 94[G09G]
5309376 Methods and apparatus for testing image processing apparatusExpiredOct 18, 91May 03, 94[G01C]
5278676 Method and apparatus for cyclic scanning of imagesExpiredNov 27, 90Jan 11, 94[H04N]
5185596 Electronic image modificationExpiredJan 23, 91Feb 09, 93[G09G]
5162926 Registration methodExpiredJun 13, 90Nov 10, 92[H04N]
5131056 Electronic airbrushingExpiredJan 23, 91Jul 14, 92[G06K]
5012048 Position indicating deviceExpiredJun 20, 89Apr 30, 91[G08C]
4907096 Image processingExpiredAug 01, 88Mar 06, 90[H04N]
4770896 Method for making cylinders for output scannersExpiredJul 07, 87Sep 13, 88[B05D]
4771339 Method of recording imagesExpiredJan 20, 87Sep 13, 88[H04N]
4758068 Controlling radiation beam diametersExpiredJan 22, 87Jul 19, 88[G02D, G02F]
4754153 Operating radiation sensors to avoid transfer lossExpiredMar 04, 87Jun 28, 88[H04N]
4725966 Image modificationExpiredApr 25, 85Feb 16, 88[G06F]
4724489 Electronic image generationExpiredOct 24, 86Feb 09, 88[H04N]
4716384 ModulatorsExpiredApr 25, 85Dec 29, 87[G01D, H04N, H01S]
4698692 Radiation generating apparatus and methodExpiredOct 04, 85Oct 06, 87[G01D, H04N]
4675725 Image superimposing systemExpiredAug 21, 84Jun 23, 87[H04N]
4659185 Light beam splitterExpiredFeb 21, 86Apr 21, 87[G02B]

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