Patent ID: 7660447
Filing Date: 2010-02-09
Classification: G06K

Abstract:
1. A fingerprint matching apparatus for reading a fingerprint image of a finger put on a fingerprint reading face of a fingerprint sensor and matching the fingerprint image with a fingerprint image that has been previously registered, the apparatus comprising: a fingerprint distortion detection unit detecting whether or not the finger is properly put on the fingerprint reading face of the fingerprint sensor; and a notification unit notifying, if the result of the detecting by said fingerprint distortion detection unit is negative, a third entity of the result of the detecting, wherein the fingerprint sensor includes a printed pattern corresponding to the fingerprint distortion detection unit and detecting movement of the finger, and said fingerprint distortion detection unit measures an amount of movement of the pattern to judge whether or not the finger is properly put on the fingerprint reading face of the fingerprint sensor.