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    • 9. 发明专利
    • Subject information acquisition apparatus
    • 主体信息获取装置
    • JP2013198657A
    • 2013-10-03
    • JP2012069673
    • 2012-03-26
    • Canon Incキヤノン株式会社
    • SUZUKI KOICHI
    • A61B8/00G01N29/00
    • A61B5/0095A61B5/14542A61B2562/16A61B2562/182G01N21/1702
    • PROBLEM TO BE SOLVED: To control the influence of the electromagnetic noise from a light source on an optical sensor when photo-acoustic measurement is conducted.SOLUTION: A subject information acquisition apparatus includes: a light source; a light source unit in which a driving circuit for driving the light source is provided; a probe for converting an acoustic wave generated from the subject by receiving light irradiation emitted from a light source into an electric signal; a light detecting means for detecting the light emitted from the light source to generate a trigger signal; a controller for receiving the trigger signal from the light detecting means and the electric signal from the probe to generate characteristic information inside the subject; and a housing for shielding an electromagnetic noise generated from the light source unit. The housing stores the light detecting means so as to separate the light source unit and the light detecting means.
    • 要解决的问题:当进行光声测量时,控制来自光源的电磁噪声对光学传感器的影响。解决方案:一种被摄体信息获取装置,包括:光源; 设置有用于驱动光源的驱动电路的光源单元; 用于通过将从光源发射的光照射接收到电信号来转换从被摄体产生的声波的探针; 光检测装置,用于检测从光源发射的光以产生触发信号; 控制器,用于从光检测装置接收触发信号和来自探针的电信号,以在对象内产生特征信息; 以及用于屏蔽从光源单元产生的电磁噪声的壳体。 壳体存储光检测装置以分离光源单元和光检测装置。