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by Tom Harris

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Please copy/paste the following text to properly cite this HowStuffWorks article:

Harris, Tom.  "How Fingerprint Scanners Work"  24 September 2002.  HowStuffWorks.com. <http://computer.howstuffworks.com/fingerprint-scanner.htm>  09 February 2012.
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Inside this Article
  1. Introduction to How Fingerprint Scanners Work
  2. Fingerprint Basics
  3. Optical Scanner
  1. Capacitance Scanner
  2. Analysis
  3. Pros and Cons
  4. See more »
    1. Lots More Information
    2. See all Authentication articles

Lots More Information

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Inside this Article
  1. Introduction to How Fingerprint Scanners Work
  2. Fingerprint Basics
  3. Optical Scanner
  4. Capacitance Scanner
  1. Analysis
  2. Pros and Cons
  3. Lots More Information
  4. See all Authentication articles
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Prices: Fingerprint Scanners

  • Futronic FS80 Fingerprint Scanner
    Futronic FS80 Fingerprint Scanner

    FS80 USB2.0 Fingerprint Scanner uses advanced CMOS sensor technology and precise optical system to deliver high quality fingerprint image. It can capture an almost un-distorted raw fingerprint image into PC in 100ms and is good for any fingerprint recognition application.

    $69.99

  • Futronic FS88 Fingerprint scanner
    Futronic FS88 Fingerprint scanner

    FS88 uses advanced CMOS sensor technology and precise optical system to meet the rigorous requirement on fingerprint on fingerprint image quality of PIV. It's fingerprint scanning window is crown glass with a thickness of 14 mm.

    $88.00

  • Raceka (TM) Digital Persona Fingerprint Reader USB Biometric Fingerprint Scanner URU4000
    Raceka (TM) Digital Persona Fingerprint Reader USB Biometric Fingerprint Scanner URU4000

    This U 4000 is a USB fingerprint sensor. The user simply places his/her finger on the glowing sensor window, and the device quickly and automatically captures the fingerprint image. On-board electronics calibrate the device and encrypt the image data before sending it over the USB interface. DigitalPersona products utilize optical fingerprint scanning technology for superior image quality and product reliability. The U 4000 Sensor and DigitalPersona recognition software have an unmatched ability to recognize even the most difficult fingerprints. Specification: * Supply voltage: 5.0V + / -. 25V USB offers * Intake fingerprint: 200mA (typical) * idle: 120mA (typical) * Hangs fingerprint: 2mA (max) * Anti-static:> 15 KV * Operating temperature: 5°C -35°C * Operating Humidity: 20% -80% * 8-bit grayscale image data * Standard FCC Class: B, CE, VCCI * Pixel resolution: 512DPI * Image crawl area: 14.6mm (center standard width); 18.1mm (standard length) * Scanner Size: about 79mm * 49mm * 19mm * Support Windows98, Me, NT4.0, 2000, XP,Vista,Windows 7, 64 bit and 32 bit Warranty: * 12 months Limited Warranty Package include: * 1 x Fingerprint reader * 1 x Software CD * 1 x User Manual

    $74.00

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