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Automatic focus adjusting system
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Patent number 4,233,503
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Issue date Nov 11, 1980
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Koji Saito
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G02 - OPTICS
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Automatic focus adjusting device
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Patent number 4,191,882
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Issue date Mar 4, 1980
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Hideharu Sato
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G02 - OPTICS
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Automatic focusing system
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Patent number 4,174,892
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Issue date Nov 20, 1979
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Nihon Beru-Haueru Kabushiki Kaisha
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Noriaki Osawa
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G02 - OPTICS
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Dichroic rangefinder
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Patent number 4,171,890
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Issue date Oct 23, 1979
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Yoshiaki Mizuki
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Shuttle speed control device
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Patent number RE30058
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Issue date Jul 31, 1979
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Yukio Katahira
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352 - Optics: motion pictures
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Automatic focusing system
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Patent number 4,162,123
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Issue date Jul 24, 1979
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Nihon Beru-Haueru Kabushiki Kaisha
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Tadao Isono
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G02 - OPTICS
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Film loop forming device
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Patent number 4,159,868
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Issue date Jul 3, 1979
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Kotaro Sano
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Automatic focusing apparatus
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Patent number 4,159,169
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Issue date Jun 26, 1979
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Hideharu Sato
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G02 - OPTICS
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Aperture assembly
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Patent number 4,143,952
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Issue date Mar 13, 1979
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Yukio Katahira
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Exposure control circuit for camera
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Patent number 4,142,785
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Issue date Mar 6, 1979
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Seiichi Saito
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Rangefinding optical system
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Patent number 4,136,939
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Issue date Jan 30, 1979
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Masao Abe
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G02 - OPTICS
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Rangefinding mechanism
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Patent number 4,125,847
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Issue date Nov 14, 1978
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Masao Abe
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G02 - OPTICS
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-
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Automatic focus adjusting device
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Patent number 4,093,365
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Issue date Jun 6, 1978
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Tadao Isono
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G02 - OPTICS
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Pinch roller actuating device
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Patent number 4,090,783
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Issue date May 23, 1978
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Yoshiaki Mizuki
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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-
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Moving magnet type instrument
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Patent number 4,047,136
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Issue date Sep 6, 1977
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Seiichi Satto
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H01 - BASIC ELECTRIC ELEMENTS
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Under exposure and fade indicator
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Patent number 4,015,119
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Issue date Mar 29, 1977
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Nihon Beru-Haueru Kabushiki Kaisha
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Teruhiko Miyake
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Shuttle speed control device
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Patent number 3,992,305
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Issue date Nov 16, 1976
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Yukio Katahira
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Cine camera
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Patent number 3,982,826
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Issue date Sep 28, 1976
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Nihon Beru-Haueru Kabushiki Kaisha (Bell & Howell Japan, Ltd.)
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Fumio Saito
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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