PHILIPS COMMUNICATION D'ENTREPRISE

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5088110 Baseband-controlled passband equalizing arrangementExpiredMar 15, 89Feb 11, 92[H04B]
5062125 Statistic coding arrangement for producing code words comprising a variable number of bitsExpiredAug 04, 89Oct 29, 91[H04B]
5058135 Modulating arrangement for phase and amplitude modulation of a waveExpiredJul 19, 89Oct 15, 91[H03K, H03D]
4965786 Echo canceller for a variable-phase echo signalExpiredMar 22, 89Oct 23, 90[H04B]
4885737 Echo canceler having simplified calculation circuitsExpiredApr 04, 88Dec 05, 89[H04B]
4876698 System for transmitting sequences of digital samples encoded by variable-length binary wordsExpiredJun 24, 88Oct 24, 89[H04B]
4862450 Arrangement for cancelling a composite echo signalExpiredMar 28, 85Aug 29, 89[H04B]
4860314 Differential pulse code modulation arrangement, associated decoding arrangement and transmission system comprising at least such an encoding or decoding arrangementExpiredAug 11, 87Aug 22, 89[H04B]
4845660 Processor for signal processing and hierarchical multiprocessing structure including at least one such processorExpiredFeb 19, 88Jul 04, 89[G06F]
4829566 Apparatus for detecting and discriminating phase jumps in a periodic signal and its application to a telephone tone signal with phase inversionsExpiredApr 16, 87May 09, 89[H04J]
4827474 System and method of adjusting the interstation delay in an information transmission systemExpiredDec 16, 87May 02, 89[H04J]
4825437 Clock recovery arrangement especially for an information transmission system using the TDMA principle in one transmission directionExpiredApr 16, 87Apr 25, 89[H04L, H04J]
4792892 Data processor with loop circuit for delaying execution of a program loop control instructionExpiredMay 01, 87Dec 20, 88[G06F]
4787065 Data processing apparatus providing cyclic addressing of a data store in selectively opposite directionsExpiredFeb 03, 88Nov 22, 88[G11C]
4785445 Method of manufacturing BaPb.sub.1-x Bi.sub.x O.sub.3 single crystalExpiredFeb 22, 85Nov 15, 88[H04B]
4777653 Apparatus for controlling transmission power over a digital radio communication channelExpiredDec 11, 86Oct 11, 88[H04B]
4755965 Processor to carry out data processing in different modes and multiplication device suitable for such a processorExpiredAug 12, 85Jul 05, 88[G06F]
4744095 Diversity channel data receiver with automatic alignment over a .+-.3.5-bit rangeExpiredAug 11, 86May 10, 88[H04L]
4726020 Multiplex information transmission systemExpiredMay 08, 86Feb 16, 88[H04Q, H04J]
4649335 Equipment for locating a signal reflection point in a transmission lineExpiredDec 05, 84Mar 10, 87[G01R]

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