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    • 2. 发明申请
    • Finger vein authentication input apparatus
    • 手指静脉认证输入装置
    • US20080075331A1
    • 2008-03-27
    • US11902803
    • 2007-09-25
    • Soichi SakuraiYuichi HoriuchiKyoichi TakahashiHitoshi Takizawa
    • Soichi SakuraiYuichi HoriuchiKyoichi TakahashiHitoshi Takizawa
    • G06K9/00
    • G06K9/00013G06K9/00919G06K2009/00932
    • Within a finger vein authentication input apparatus, a finger positioning portion comprises a fingertip projection portion provided at a position corresponding to the tip of the finger when picking up an image thereof, protruding into the horizontal direction, soas to be in contact with a tip of a finger, horizontally, a finger pulp projection portion provided at the position corresponding to the tip of the finger when picking up the image thereof, protruding into the vertical direction, so as to be in contact with the tip of the finger, vertically, and a base guide portion provided at the position corresponding to the base side than a second joint of the finger when picking up the image thereof, having a configuration curved along the cross-section configuration of the finger, or a curved configuration including a projection portion at a center thereof, thereby increasing an accuracy of positioning the finger in the longitudinal direction thereof, and further lowering shift of angle of attaching the finger in the longitudinal direction thereof.
    • 在手指静脉认证输入装置中,手指定位部分包括指尖突出部分,其设置在与手指的尖端相对应的位置,当拾取其图像时,突出到水平方向,以使其与尖端 手指,水平地,设置在与拾取其图像时的手指的尖端对应的位置处的手指突起部分,突出到垂直方向上,以便与手指的尖端垂直地接触,并且 基部引导部,其设置在与拾取图像时的手指的第二关节对应的基部侧的位置处,具有沿着手指的横截面形状弯曲的构造,或者包括突起部的弯曲构造 从而增加手指在其纵向上的定位精度,并进一步降低角度o的偏移 f沿着其长度方向附接手指。