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Biometric Door Locks: 5 Fast Facts

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Fact #1. The concept of biometric recognition dates back thousands of years. It began with evidence of cave walls being adorned with paintings from early human civilizations. These paintings were surrounded by hand prints thought to be a signature of their creators. There is also evidence of fingerprints having been used as identifiers as early as 500 BCE.
Fact #2. Modern biometric identification systems have a relatively short history. It spans the last few decades following the advancements in computer engineering during the 1960s. Since that time, the popularity of this technology has grown to include systems capable of securing doors and even mobile devices.
Fact #3. A biometric lock is a battery-powered security option that grants access by way of scanning, identifying, analyzing, and remembering a person's unique body traits, namely a fingerprint. The fingerprint is the primary form of identification that the lock uses to distinguish it from other, unauthorized fingerprints. When it's first scanned, it's converted into a numerical algorithm and saved to the device's internal database.
Fact #4. These locks use many of the same types of scanning technologies as mobile devices. They incorporate an array of LEDs to capture a photo of a fingerprint. The optical scanner uses algorithms combined with areas of light and dark to recognize surface patterns in the skin.
Fact #5. Consider the number of people who will be coming into your house when investing in a lock. The majority of biometric door locks store up to 120 unique fingerprints to memory. This is helpful in situations where multiple family members or trusted friends are constantly coming and going. Also, keep the lock's battery power in mind and consider what works best for the expected foot traffic.
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Hardware
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