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:
Jul. 28, 2020
Filed:
Oct. 31, 2016
Hitachi, Ltd., Tokyo, JP;
Kenji Ichige, Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
Provided is a device which performs vein authentication by using a downward irradiation-type thin module and selecting an image of a proper angle by varying the irradiation direction of near-infrared illumination. Realized are a photographing method and control method of a finger vein image suitable for thin devices such as a smartphone. Adopted is a finger vein authentication device comprising an imaging unit, an illumination unit which is disposed on a substantially same plane as the imaging unit, and irradiates a finger to be captured by the imaging unit with light in which an irradiation angle is variable, an image selection unit which selects an image according to the irradiation angle of the illumination unit, and an authentication processing unit which performs authentication processing using the image selected by the image selection unit.