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公开(公告)号：US10592721B2
公开(公告)日：2020-03-17
申请号：US16124471
申请日：2018-09-07
Applicant: LG ELECTRONICS INC.
Inventor： Junhak Lee , Jiho Yoo , Seonghyok Kim , Chaedeok Lee
Abstract: A biometric authentication device including an infrared luminescent unit configured to emit infrared light with an infrared wavelength; a depth sensing unit configured to receive the infrared light reflected on a vein of an object placed within a preset distance of the depth sensing unit; a controller configured to control the depth sensing unit to obtain a first vein image of a first object and calculate a first distance value corresponding to a first distance between the depth sensing unit and the first object, and store the first vein image and the first distance value in a memory as registration information.
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