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Telecommunications system
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Patent number 5,448,752
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Issue date Sep 5, 1995
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U.S. Philips Corporation
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Peter J. Mabey
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Signal transmission system
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Patent number 5,369,637
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Issue date Nov 29, 1994
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U.S. Philips Corporation
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Andrew J. Richardson
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Information transmission system
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Patent number 5,278,831
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Issue date Jan 11, 1994
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U.S. Philips Corporation
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Peter J. Mabey
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Method of data communication
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Patent number 4,975,952
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Issue date Dec 4, 1990
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U.S. Philips Corporation
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Peter J. Mabey
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Digital data transmission system
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Patent number 4,618,955
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Issue date Oct 21, 1986
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U.S. Philips Corporation
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Anthony K. Sharpe
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H04 - ELECTRIC COMMUNICATION TECHNIQUE