Smart locks are transforming how we secure and access our homes. They use digital technology to grant or restrict access, including fingerprint recognition. But how does fingerprint recognition actually work in smart locks? This guide offers comprehensive information about this technology.
Why Fingerprint?
Every person has completely unique fingerprints that form before birth. The uniqueness comes from the way ridges, loops, and whorls form on each finger. No two people – even identical twins – have the exact same pattern. This biological fact forms the foundation of fingerprint recognition technology in security systems.
How Does Fingerprint Recognition Work?
Smart locks use a systematic process to verify fingerprints and grant access. The technology involves multiple steps that happen within seconds:
1. Capturing the Fingerprint Image
The scanner works by taking a very clear picture of your fingerprint when you touch it. It picks up the ridges and valleys using different tech, such as light or even sound waves.
2. Converting to a Digital Template
The captured fingerprint image gets converted into a mathematical template or digital code. This process extracts the most important identifying features from your fingerprint pattern and creates a unique numerical representation that can be stored and compared later. This is because digital templates take up much less storage space than the original image.
3. Comparing with Stored Prints
The smart lock compares the new digital template with all authorized fingerprints stored in its memory. It checks for similarities in ridge patterns, spacing, and other unique characteristics.
4. Access Decision
If the comparison finds a match, the smart lock grants access and opens the door. If no match is found, access gets denied and the door remains locked.
Different Sensor Technologies in Smart Locks
Fingerprint recognition can also work differently in different smart lock models. It varies based on the sensor technology used to capture fingerprint data. Each technology has its own advantages and works differently to read fingerprints:
1. Optical Sensors
Optical sensors use light and cameras to capture fingerprint images: a light source illuminates the finger, and a camera picks up the ridges and valleys. They are a common type but can be less secure since high-quality fake fingerprints might fool them.
2. Capacitive Sensors
Capacitive sensors measure the electrical differences between ridges and valleys on your fingerprint using tiny conductive plates. This type offers higher accuracy and better resistance to spoofing than optical sensors.
3. Ultrasonic Sensors
Ultrasonic sensors send out tiny sound waves to build a 3D map of your fingerprint. They’re great at working through grime or gloves and give high-accuracy scans with strong security.
4. Bioelectricity Sensors
Bioelectricity sensors detect the natural electrical signals that flow through living tissue. They can distinguish between living fingers and fake materials or dead tissue, adding an extra layer of security. It ensures that only living people can unlock the door.
Accuracy Concerns Over Time
Over time, things like aging, manual labor, or minor finger injuries can affect how your fingerprint is read. Big injuries like deep cuts or burns might throw off recognition for a while. Many people wonder if fingerprint recognition becomes less accurate when this happens.
The truth is the core fingerprint pattern remains remarkably stable throughout life. Modern fingerprint systems are smart enough to handle small changes in your print over time. Today’s smart locks manufactured by reputed brands use advanced tech that still recognizes you, even if your finger looks a little different.
DESLOC B200 Fingerprint Smart Lock
At DESLOC, our B200 Smart Lock features next-generation fingerprint recognition technology for residential use. This premium smart lock combines advanced security features with user-friendly operation for modern homes:
- Adaptive Learning Technology: The B200 comes with smart AI that learns your fingerprint and adjusts as it changes over time. This means it keeps recognizing you accurately – even if your print shifts a bit.
- Large User Capacity: Our B200 smart lock supports up to 50 unique fingerprints, making it perfect for families and small businesses. Each family member can register multiple fingers for backup access options. The generous storage capacity also allows for guest access when needed.
- Lightning-Fast Recognition: This best fingerprint door lock delivers impressive recognition speed with fingerprint verification in under 0.3 seconds.
- Exceptional Accuracy Rate: We’ve achieved a remarkable 99% recognition rate through advanced sensor technology and intelligent algorithms. This high accuracy rate means reliable access for authorized users while maintaining strong security.
How to Add and Remove Fingerprints in DESLOC B200
Managing fingerprints in the B200 biometric smart lock is straightforward. You can add new fingerprints and remove existing ones without hassle. Follow these steps:
Adding a new fingerprint via the App
Step 1: Download the TTLock App
Step 2: Connect B200 to the App
Step 3: Open the TTLock App and tap on “Fingerprints.”
Step 3: Tap on “Add Fingerprints.”
Step 4: Set up the validity period of the fingerprint (Permanent/Timed/Recurred).
Step 5: Follow the instructions on the TTLock App. You will be asked to place your finger on the sensor 4 times
Adding a new fingerprint via Keypad
Step 1: Press “*85”. Then press “#” for 1 second to confirm
Step 2: Enter the admin passcode and press “#” for 1 second to confirm
Step 3: Enter a new fingerprint
Deleting a fingerprint via the App
Step 1: Open the TTLock App
Step 2: Tap on “Fingerprints.”
Step 3: Choose to delete
Deleting all fingerprints via Keypad
Step 1: Press “*70”. Then press “#” for 1 second to confirm
Step 2: Enter the admin passcode and press “#” for 1 second to confirm
Conclusion
In a nutshell, fingerprint recognition combines biological uniqueness with advanced digital technology for secure, convenient access. Different sensor technologies offer various advantages, while modern systems can adapt to minor fingerprint changes over time.
At DESLOC, we have developed innovative and reliable smart locks like the B200 Smart Lock with one of the best fingerprint recognition technologies. These smart locks are built to learn, respond quickly, and recognize your fingerprint with top-notch accuracy. We’re always pushing innovation to keep your home safe and up to date. Check out our smart locks on our website.
