Televerket

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6327551 System design methodExpiredMay 08, 95Dec 04, 01[G06F]
6236374 Antenna arrangement for transmitting at least two frequencies using a single antennaExpiredJan 30, 95May 22, 01[H01Q]
5966181 Video coding system with buffer control quantization step sizeExpiredMay 25, 94Oct 12, 99[H04N]
5694451 Method and an arrangement for performance monitoring in a telecommunications networkExpiredJun 06, 95Dec 02, 97[H04M, H04B]
5625866 Mobile telecommunication system having an auxiliary routing arrangementExpiredApr 14, 95Apr 29, 97[H04Q, H04B]
5617482 Method of motion compensation and elastic deformation in picture sequencesExpiredJan 03, 95Apr 01, 97[G06K]
5608756 Device for identifying traffic on a paired cableExpiredFeb 28, 95Mar 04, 97[H04M, G01R]
5561850 Method and arrangement for reducing fading between a base station and mobile unitsExpiredApr 16, 93Oct 01, 96[H04B]
5548714 Means for structuring technical information in establishing a knowledge base and troubleshooting in technical equipmentExpiredApr 02, 93Aug 20, 96[G06F]
5548804 Method and arrangement for increasing the capacity in a mobile telephone systemExpiredMar 21, 94Aug 20, 96[H04Q]
5537097 Method for transferring messages in a one-way communication systemExpiredJan 09, 95Jul 16, 96[H01H]
5507007 Method of distributing capacity in a radio cell systemExpiredSep 30, 94Apr 09, 96[H04M]
5504849 Method of moving a pixel a subpixel distanceExpiredMar 09, 95Apr 02, 96[G06T]
5499251 Method of recovering lost bits in a digital transmissionExpiredOct 17, 94Mar 12, 96[G06F]
5452103 Method and a device for image codingExpiredOct 21, 92Sep 19, 95[H04N]
5448599 Method and arrangement for radiocommunication using a band-spreading techniqueExpiredFeb 09, 94Sep 05, 95[H04B]
5442804 Method for resource allocation in a radio systemExpiredOct 25, 91Aug 15, 95[H04B]
5434950 Method for making handover decisions in a radio communications networkExpiredMar 17, 93Jul 18, 95[G06F]
5400667 Means for measuring picture qualityExpiredMar 24, 93Mar 28, 95[G01N]
5347606 Method and an arrangement for splicing optical waveguidesExpiredDec 23, 92Sep 13, 94[G02B]

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