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How does a fingerprint reader work 2024?

Lucas Rivera | 2023-04-20 00:22:12 | page views：1925
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Olivia Harris

Studied at Princeton University, Lives in Princeton, NJ
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.
2023-04-24 00:22:12
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Caleb Richardson

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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