公开(公告)号：US09721139B2

公开(公告)日：2017-08-01

申请号：US14820825

申请日：2015-08-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongseok Kim ,  Jungwoo Kim ,  Seokhwan Chung

IPC: G06K9/00

CPC classification number: G06K9/0002 ,  G06K9/001

Abstract: Example embodiments disclose a fingerprint recognition sensor and a fingerprint recognition system. The fingerprint recognition sensor may include a pad configured to apply a first wave signal having multi-frequency characteristics to an object, a signal applying electrode configured to transmit the first wave signal having multi-frequency characteristics to the pad and a signal receiving electrode configured to receive a reflection wave signal from the object to the pad based on the first wave signal.