The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 2012
Filed:
Oct. 07, 2008
Akio Nagasaka, Kokubunji, JP;
Takafumi Matsumura, Hitachinaka, JP;
Masahide Hayashi, Mito, JP;
Takafumi Miyatake, Hachioji, JP;
Naoto Miura, Kokubunji, JP;
Harumi Kiyomizu, Kokubunji, JP;
Akio Nagasaka, Kokubunji, JP;
Takafumi Matsumura, Hitachinaka, JP;
Masahide Hayashi, Mito, JP;
Takafumi Miyatake, Hachioji, JP;
Naoto Miura, Kokubunji, JP;
Harumi Kiyomizu, Kokubunji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
There is provided a finger-vein authentication apparatus including a light source for illuminating one surface of both side-surfaces of a fingertip of a finger with light, and an image sensor for imaging the other surface of the fingertip, the light source and the image sensor being positioned at both sides of a nail of the fingertip with the nail sandwiched therebetween, wherein a fingertip guidance jig for supporting the fingertip and a finger-root guidance jig for supporting a finger-root of the finger are disposed between the light source and the image sensor, a light-shielding unit being disposed on the light-source side, the light-shielding unit being used for shielding the illumination light such that the illumination light will not travel to a ball side of the finger.