Rediffusion Simulation Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5384719 Image generator for simulating the illumination effects of a vehicle-mounted light source on an image displayed on a screenExpiredJan 15, 93Jan 24, 95[G06F]
5363475 Image generator for generating perspective views from data defining a model having opaque and translucent featuresExpiredNov 08, 94Nov 08, 94[G06F]
5338200 Method and apparatus for generating an elliptical imageExpiredSep 15, 92Aug 16, 94[G09B]
5226816 Simulator assemblyExpiredNov 10, 92Jul 13, 93[G09B]
D337103 Two screen console for computerized flight training simulatorExpiredFeb 28, 91Jul 06, 93[]
D334591 Aircraft simulatorExpiredFeb 28, 91Apr 06, 93[]
D334409 Aircraft simulatorExpiredFeb 28, 91Mar 30, 93[]
D334410 Aircraft simulatorExpiredFeb 28, 91Mar 30, 93[]
D332248 SimulatorExpiredMay 16, 90Jan 05, 93[]
D332249 SimulatorExpiredMay 16, 90Jan 05, 93[]
4679080 Field blanking pulse modifierExpiredSep 06, 85Jul 07, 87[H04N]
4667199 SimulatorExpiredJan 22, 85May 19, 87[G01S]
4559014 Motion limiting systemsExpiredMay 20, 83Dec 17, 85[G09B]
4541694 Acousto-optic scannersExpiredMar 25, 83Sep 17, 85[G02F]

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