发明名称 |
PERSONAL AUTHENTICATION DEVICE AND METHOD |
摘要 |
PROBLEM TO BE SOLVED: To prevent a reduction in a recognition rate of a finger vein authentication device caused by erroneous insertion of a finger by a user who is unfamiliar with the finger vein authentication device or by insertion of a false finger by a malicious user, at low costs.SOLUTION: A personal authentication device is provided with: an imaging section for imaging a finger vein image; a light source for emitting transmission light of a finger; an image arithmetic section for performing verification of the finger vein image; a guide section for indicating an imaging position of the finger; a detection section for detecting contact of the finger with the guide section; a light source for emitting reflection light irradiating a ball side of the finger; switch sections that are pressed down by a tip portion of the finger; a light source for emitting transmission light transmitting through the tip portion of the finger; a light receiving element for receiving the transmission light transmitting through the tip portion of the finger; display means for displaying information for guiding a user to proper use of the personal authentication device; means for switching between 1-N authentication that performs verification of all registered images as targets in response stability of authentication and 1-1 authentication that inputs an ID number for identifying a user himself or herself beforehand and performs verification of an only registered image corresponding to the ID number as a target; and means for updating registered data. |
申请公布号 |
JP2015127979(A) |
申请公布日期 |
2015.07.09 |
申请号 |
JP20150058934 |
申请日期 |
2015.03.23 |
申请人 |
HITACHI LTD |
发明人 |
MIURA NAOTO;NAGASAKA AKIO;MIYATAKE TAKAFUMI |
分类号 |
G06T7/00;A61B5/107;A61B5/117 |
主分类号 |
G06T7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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