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Fingerprint Scanners

Optical fingerprint scanners are the most common method of capturing and comparing fingerprints. This technique relies on capturing an optical image using light, essentially a photograph, and using algorithms to detect unique patterns on the surface, such as ridges or unique marks, by analyzing the lightest and darkest areas of the image. Silicon coating improves read quality in the short term, but as it fades or gets damaged over time,it effectively makes the reader a consumable item.

Capacitive fingerprint scanners use arrays tiny capacitor circuits to collect data about a fingerprint. As capacitors can store electrical charge, connecting them up to conductive plates on the surface of the scanner allows them to be used to track the details of a fingerprint.

Thermal fingerprint readers sense, on a contact surface, the difference of temperature in between fingerprint ridges and valleys. Thermal fingerprint readers have a number of disadvantages such as higher power consumption and a performance that depends on the environment temperature.

Multi-spectral imaging fingerprint sensors from HID Lumidigm delivers the ultimate cutting-edge fingerprint hardware solution, simultaneously reading data from both the surface and subsurface levels of a fingerprint even when features are hard to distinguish due to factors such as dirt, moisture and damage.

UK & IRELANDS ONLY SPECIALIST BIOMETRICS DISTRIBUTOR

Located in High Wycombe, just 20 miles from Heathrow airport and London, DelaneyBiometrics is an independent wholesaler & distributor of biometrics hardware and software solutions to system integrators, software developers and end user customers. With a wealth of experience DelaneyBiometrics have established strong relationships with the world’s leading biometrics manufacturers, to bring great quality products at the best prices.

Since 2003, we have been one of Europe’s leading biometrics specialists, supplying over 6,500 system integrators and software developers with biometrics solutions, development services and support.

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