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公开(公告)号:USD346820S
公开(公告)日:1994-05-10
申请号:US2154
申请日:1992-12-02
申请人: Masayoshi Etou , Atsushi Ohta , Toshiaki Mizushima
设计人: Masayoshi Etou , Atsushi Ohta , Toshiaki Mizushima
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公开(公告)号:USD339690S
公开(公告)日:1993-09-28
申请号:US770290
申请日:1991-10-02
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公开(公告)号:USD325913S
公开(公告)日:1992-05-05
申请号:US625618
申请日:1990-12-11
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公开(公告)号:USD308058S
公开(公告)日:1990-05-22
申请号:US290731
申请日:1988-12-27
申请人: Minoru Hotsumi , Toshiaki Mizushima
设计人: Minoru Hotsumi , Toshiaki Mizushima
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公开(公告)号:US4665318A
公开(公告)日:1987-05-12
申请号:US777600
申请日:1985-09-19
申请人: Takao Toda , Toshiaki Mizushima , Kazuo Kashiwagi
发明人: Takao Toda , Toshiaki Mizushima , Kazuo Kashiwagi
CPC分类号: G06K7/10851 , G06K17/0016
摘要: A mark detecting apparatus for detecting marks provided on a recording medium has a photoelectric converting device for receiving a light from the base and marks on the recording medium, a first setting device for setting a first predetermined reference value, a second setting device for setting a second reference value corresponding to the output of the photoelectric converting device, and a detecting device for selecting one of the first reference value and the second reference value and comparing the selected reference value with the output of the photoelectric converting device to thereby detect the presence or absence of the marks.
摘要翻译: 用于检测设置在记录介质上的标记的标记检测装置具有:光电转换装置,用于从基座接收光并在记录介质上标记;第一设定装置,用于设定第一预定基准值;第二设定装置, 对应于光电转换装置的输出的第二参考值,以及用于选择第一参考值和第二参考值中的一个的检测装置,并将所选择的参考值与光电转换装置的输出进行比较,从而检测光电转换装置的存在或 没有标记。
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