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    • 4. 发明授权
    • Finger identification apparatus
    • 手指识别装置
    • US08059265B2
    • 2011-11-15
    • US13064496
    • 2011-03-29
    • Akio NagasakaTakafumi MiyatakeNaoto MiuraYoshiaki AmanoYoshimi KasaiShinichiro UmemuraMiyuki Kono
    • Akio NagasakaTakafumi MiyatakeNaoto MiuraYoshiaki AmanoYoshimi KasaiShinichiro UmemuraMiyuki Kono
    • G06K9/74G06K9/00
    • G06K9/00067G06K9/00013G06K9/00362G06K9/00919G06K2009/00932
    • An identification apparatus that keeps the conditions for imaging uniform among successive identifications and requires a user to perform only a series of simple maneuvers. An identification apparatus comprising a guide member, a light source, and an imaging unit. The guide member includes a pattern or a structure that inspires a user to position his/her finger thereon or to approach his/her specific finger region thereto. A contact member such as a button switch is preferably located at a position in the guide member at which a fingertip is to be positioned. An optical opening is formed at a position coincident with a position at which a portion of a finger to be imaged for identification should be placed. The light source radiates near-infrared light through the portion of the finger to be imaged. The imaging means acquires an image of the finger, and the apparatus compares the image to previously registered images. The apparatus may also include dual light sources power saving functionality, and means for limiting the interference of external light sources.
    • 一种识别装置,其在连续标识之间保持成像的条件均匀,并且要求用户仅执行一系列简单的操作。 一种识别装置,包括导向件,光源和成像单元。 引导构件包括启动使用者将他/她的手指放置在其上或用于接近他/她的特定手指区域的图案或结构。 诸如按钮开关的接触构件优选地位于引导构件中位于指尖处的位置。 在与待成像的手指的一部分要被放置的位置重合的位置处形成光学开口。 光源通过要被成像的手指的部分辐射近红外光。 成像装置获取手指的图像,并且该装置将图像与先前登记的图像进行比较。 该装置还可以包括双光源节电功能,以及用于限制外部光源的干扰的装置。