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How does a fingerprint scanner work 2024?

Charlotte Richardson | 2023-04-20 00:22:02 | page views：1888
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Ethan White

Works at the International Labour Organization, Lives in Geneva, Switzerland.
How Fingerprint Scanners Work. Like optical scanners, capacitive fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint. But instead of sensing the print using light, the capacitors use electrical current. The diagram below shows a simple capacitive sensor.
2023-04-21 00:22:02
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Julian Hall

QuesHub.com delivers expert answers and knowledge to you.
How Fingerprint Scanners Work. Like optical scanners, capacitive fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint. But instead of sensing the print using light, the capacitors use electrical current. The diagram below shows a simple capacitive sensor.
Capacitance Scanner - How Fingerprint Scanners Work | HowStuffWorks
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