How Mobile finger print scanner works #tech #fingerprint #technology #technical #ezsnippet #shorts

How Mobile Fingerprint Scanner Works #tech #fingerprint #technology #technical #ezsnippet #shorts

Remember, earlier there used to be a fingerprint scanner in our phones, on which we put our finger and the phone would unlock. Have you ever wondered how it works? Right now, I won't delve into Face ID, where you just put your face in front. I'll tell you about that some other time. But let's focus on what happens in a fingerprint scanner.

At the bottom of the scanner, there is a sensor that uses Capacitive Touch Technology. Here's how it works: whenever you put your thumb on the sensor, it captures an image of the unique lines on your thumbprint. Our fingerprint is unique to each individual. Essentially, when you place your thumb on the scanner, it captures an image and reads the electrical signals from the ridges and gaps in your thumbprint. These variations produce different electrical signals.

Once the scanner captures the image, it uses the data to create a mathematical template, which it stores on your device. This template is encrypted to ensure that it is not human-readable. This encryption improves security, because if the template were stored in a readable format, anyone could potentially access it. If someone somehow manages to remove the encrypted data, it will still be unintelligible to them.

The next time you place your thumb on the scanner, it will capture a new image and convert it into a template. It will then compare both the templates. If they match, your phone will be unlocked. If not, it will not unlock.

Keywords

• Capacitive Touch Technology
• Fingerprint scanner
• Electrical signals
• Unique thumbprint
• Image capture
• Mathematical template
• Encryption
• Device security

FAQ

Q: How does a fingerprint scanner work in mobile phones?
A: It uses a sensor based on Capacitive Touch Technology to capture an image of your thumbprint. It reads the electrical signals from the ridges and gaps in your thumbprint to create a unique mathematical template, which is then encrypted and stored on your device.

Q: Is my fingerprint data safe on my device?
A: Yes, the fingerprint data is converted into an encrypted mathematical template, making it unreadable to anyone who might try to access it.

Q: What happens if the fingerprint templates do not match?
A: If the newly scanned fingerprint template does not match the stored template, the phone will not unlock.

Q: Can someone steal my fingerprint data from my device?
A: Even if someone manages to remove the encrypted data from your device, it will still be unintelligible and secure due to encryption.

Q: Why is encryption important for fingerprint data?
A: Encryption ensures that the data is not human-readable, thereby enhancing security and preventing unauthorized access.