Patent ID: 7359534
Filing Date: 2008-04-15
Classification: G06K,G07C

Abstract:
1. A fingerprint identification device comprising: an image acquiring unit configured to acquire a plurality of registered fingerprint images corresponding to different overlapping portions of a registered fingerprint by reading the fingerprint a plurality of times, the registered fingerprint images including a first registered fingerprint, and to acquire a read fingerprint image of a portion of a user's fingerprint; a relative position calculating unit that calculates a relative coordinate point of each registered fingerprint image relative to a coordinate point of the first registered fingerprint image, and defines an authenticating area used for authentication broader than an area of the registered fingerprint covered by the registered fingerprint images; a matching degree calculating unit configured to: an authenticating unit that authenticates the read fingerprint image if a maximum of the matching degrees calculated is equal to or greater than a predetermined value.