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Logarithmic converter
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Patent number 5,481,218
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Issue date Jan 2, 1996
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Telefonaktiebolaget LM Ericsson
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Ernst Nordholt
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G06 - COMPUTING CALCULATING COUNTING
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-
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Envelope detector
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Patent number 4,890,066
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Issue date Dec 26, 1989
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U.S. Philips Corporation
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Willibrordus G. M. M. Straver
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H03 - BASIC ELECTRONIC CIRCUITRY
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Oscillator circuit
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Patent number 4,870,383
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Issue date Sep 26, 1989
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U.S. Philips Corporation
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Ernst H. Nordholt
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H03 - BASIC ELECTRONIC CIRCUITRY
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AM receiver
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Patent number 4,742,566
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Issue date May 3, 1988
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U.S. Philips Corporation
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Ernst H. Nordholt
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Oscillator circuit
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Patent number 4,608,544
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Issue date Aug 26, 1986
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U.S. Philips Corporation
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Ernst H. Nordholt
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H03 - BASIC ELECTRONIC CIRCUITRY
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Optical transmitter
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Patent number 4,580,294
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Issue date Apr 1, 1986
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U.S. Philips Corporation
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Ernst H. Nordholt
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Active aerial
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Patent number 4,414,690
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Issue date Nov 8, 1983
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U.S. Philips Corporation
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Ernst H. Nordholt
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H03 - BASIC ELECTRONIC CIRCUITRY