Union Community Virdi 4000 Uživatelský manuál stáhnout pdf (Strana 16)

High Security & Convenient Use

• Union Community’s Core Detection Technology (Patent Protected)

Powerful Live Fingerprint Detection

• Type of Fake Fingerprints

Paper Paper

(Coated)

Film

Silicon

Rubber Gelatin

Analyzing the image data achieved from a certain angle lighting to

the fingerprint with infrared ray

Optical

characteristic

Distinguishing between live and fake fingerprint by using

electrostatic capacity technology

Electrostatic

capacity

Detecting position difference between live and fake fingerprints

by algorithm analysis

Algorithm

7. PRODUCT EXCELLENCE - Fake Fingerprint Detection

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Union Community Virdi 4000 Uživatelský manuál Strana 16