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Signal processing circuit
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Patent number 4,415,923
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Issue date Nov 15, 1983
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Hitachi, Ltd.
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Masaru Noda
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Divider circuit
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Patent number 4,353,000
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Issue date Oct 5, 1982
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Hitachi, Ltd.
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Masaru Noda
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G06 - COMPUTING CALCULATING COUNTING
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Delayed AGC circuit
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Patent number 4,246,543
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Issue date Jan 20, 1981
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Hitachi, Ltd.
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Masaru Noda
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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