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Range finding device
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Patent number 4,469,417
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Issue date Sep 4, 1984
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Canon Kabushiki Kaisha
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Makoto Masunaga
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G02 - OPTICS
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Range finding device
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Patent number 4,410,261
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Issue date Oct 18, 1983
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Canon Kabushiki Kaisha
-
Makoto Masunaga
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G02 - OPTICS
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Image scanning system
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Patent number 4,368,978
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Issue date Jan 18, 1983
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Canon Kabushiki Kaisha
-
Tokuichi Tsunekawa
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G01 - MEASURING TESTING
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Focus detection device
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Patent number 4,357,085
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Issue date Nov 2, 1982
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Canon Kabushiki Kaisha
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Yukichi Niwa
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G02 - OPTICS
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-
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Range finding device
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Patent number 4,305,657
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Issue date Dec 15, 1981
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Canon Kabushiki Kaisha
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Makoto Masunaga
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G02 - OPTICS
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Image scanning system
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Patent number 4,283,137
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Issue date Aug 11, 1981
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Canon Kabushiki Kaisha
-
Tokuichi Tsunekawa
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G01 - MEASURING TESTING
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Distance measuring device
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Patent number 4,274,735
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Issue date Jun 23, 1981
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Canon Kabushiki Kaisha
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Shuichi Tamura
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G01 - MEASURING TESTING
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