OPTICAL BIOMETRIC APPARATUS

• Main Author: KONO OSAMU
• Format: Patent
• Language: English
• Published: 27.04.2006
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEDICAL OR VETERINARY SCIENCE; PHYSICS; SURGERY; TESTING

PROBLEM TO BE SOLVED: To provide an optical biometric apparatus capable of accurately deciding whether or not artifacts are included. SOLUTION: This apparatus comprises: an optical measurement part 10 for measuring an absorbance change amount by at least three different wavelengths λn (where n≥3) an...