Acquisition instrument for plam print images of living body
Title：
Acquisition instrument for plam print images of living body
Application Number：
 200410030858
Application Date：
 2004/04/09
Announcement Date：
 2005/01/12
Pub. Date：
Publication Number：
 1564188
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G02B 5/04, G06K 9/20, H04N 5/225
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Lin Xirong, Su Xiaosheng, Tan Rumou
Key Words：
 Acquisition instrument, plam print images, living body
Abstract：
 The collecting device includes box body, as well as light source, digital camera, curved prism installed inside box body. A window is opened on top cap of the box. Curved face of the prism is embedded into the window. Palm can be adhibited on surface of prism closely. Light source and digital camera header are setup at two sides of base angle of the prism respectively. Thus, light ray from light source can be received by digital camera. Advantages are: quick collecting speed, and realtime collection.
Claim：
Priority：
PCT：
LegalStatus：

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2008-4-17
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