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Image processor
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Patent number 4,586,089
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Issue date Apr 29, 1986
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Matsushita Electric Industrial Co., Ltd.
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Katsuo Nakazato
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Variable density scanner
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Patent number 4,502,081
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Issue date Feb 26, 1985
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Matsushita Electric Industrial Co., Ltd.
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Hirotaka Otsuka
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Method of band compression
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Patent number 4,470,072
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Issue date Sep 4, 1984
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Matsushita Electric Industrial Co.
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Akiyoshi Tanaka
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H04 - ELECTRIC COMMUNICATION TECHNIQUE