Method for the identification of persons

US6228029A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Peter-Christian Eccardt · Ottobrunn, DE
• Martin Vossiek · Ergolding, DE

Key dates

• Filing date: Apr 29, 1999
• Grant date: May 8, 2001
• Expiry date: Apr 29, 2019

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B5/1172
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An identification of persons is conducted on the basis of the sweat gland channel structures in the horny layer of the skin of a finger. For that purpose, ultrasound waves are transmitted into the skin and the received echos are evaluated.