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Data registration device
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Patent number 4,449,805
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Issue date May 22, 1984
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Canon Kabushiki Kaisha
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Nobuaki Sakurada
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Data registration device
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Patent number 4,384,771
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Issue date May 24, 1983
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Canon Kabushiki Kaisha
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Nobuaki Sakurada
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Exposure computation circuit
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Patent number 4,243,308
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Issue date Jan 6, 1981
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Canon Kabushiki Kaisha
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Sadao Yamada
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Exposure computation circuit
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Patent number 4,139,289
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Issue date Feb 13, 1979
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Canon Kabushiki Kaisha
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Sadao Yamada
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Exposure control device
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Patent number 4,103,307
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Issue date Jul 25, 1978
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Canon Kabushiki Kaisha
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Nobuhiko Shinoda
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY