Patent ID: 6181808
Filing Date: 2001-01-30
Classification: A61B,G06K,G07C

Abstract:
A living body discriminating apparatus comprising:fingerprint input sensor means on which a finger is placed when inputting fingerprint;a plurality of living body potential deriving means disposed as transparent sensors on the surface of the fingerprint input sensor means for measuring the potential difference between two muscle points of the finger;living body grounding electrode means provided on the fingerprint input sensor means for grounding the living body;living body data measuring means for amplifying signals obtained from the living body potential deriving means and the living body grounding electrode means;living body data analyzing means for performing potential measurement and frequency analysis of living body data obtained in the living body data measuring means by digitizing the data; andliving body discriminating means for discriminating whether the data obtained by processing in the living body data analyzing means is of the living body.