5 Ways How Fingerprint Works on Attendance Machines

The use of fingerprint-based technology is one of the most common technologies in today’s digital era. Its use is widely found in various environments because of its usefulness as a feature on some smart devices. However, do you know how fingerprint works?

What is a Fingerprint?

The fingerprint is a unique mark found on human fingers. This mark can be used as an authentication method or identity verification. Fingerprints consist of lines, patterns, and markings that are unique to each human finger. These patterns can be used to distinguish one finger from another.

Fingerprint recognition systems are used in a variety of applications such as smartphone locking, access settings, and computer systems. This system works by taking fingerprint data from the touched finger and matching it with the data stored in the system.

If the data generated by the sensor matches the stored data, the system will allow access or carry out the desired process. However, if the data generated by the sensor does not match the stored data, the system will deny the desired access or process.

Read Also: Biometrics: Definition, Types, how it Works, and Its Benefits

What are the Functions of Fingerprints?

The main function of the fingerprint is as an authentication system that uses fingerprints to verify a person’s identity. This function is often referred to as the authentication function.

This authentication function is carried out by taking a person’s fingerprint and comparing it with the data stored in the system. If the fingerprint taken matches the stored data, the system will allow access. On the contrary, if it does not match, then access is denied.

The fingerprint is also applied to various devices, one of which is your smart device. Smartphones are getting more sophisticated by complementing their features with fingerprint features. The fingerprint feature on smartphones is intended for the benefit of locking the device’s security.

Its function is to increase the privacy and security of the device because only authorized people can access the device. In addition, if the device is lost or stolen, other people will not be able to access the data on it because of the fingerprint security system.

Read Also: Are We Allowed to Change Signature? Read This Explanation First!

What are the Types of Fingerprint Sensors?

In how fingerprint works, several types of fingerprint sensors are used in many electronic devices. Each type of sensor has different advantages and disadvantages, but all of them are used to retrieve fingerprint data and carry out the authentication process. Here are the types of sensors you need to know about!

1. Optical Sensor

The optical sensor on the fingerprint uses camera technology to take an image of the fingerprint and analyzes the image to match the data stored in the system. When compared to other fingerprint sensors, this type of sensor has a quality not as good as the others.

The way these sensor works is by taking a fingerprint image provided by the user, then analyzing the image to match the data stored in the system. If the captured image matches the stored data, the system will assume the user is legitimate and unlock the device or allow access to the system.

2. Capacitive Sensor

The capacitive sensor on the fingerprint measures the difference in capacitance between the finger and the sensor to retrieve fingerprint data. These sensors tend to be more precise than optical sensors and are more damage-resistant.

Human fingerprints have different capacitance, which makes the capacitive sensor able to measure the capacitance received from the finger and match it with the data stored in the system to determine the authenticity of the finger used.

3. Ultrasonic Sensor

The ultrasonic fingerprint sensor uses ultrasonic technology to retrieve fingerprint data. This sensor sends ultrasonic waves to the finger and measures the reflections received to create a 3D image of the fingerprint.

This sensor works by sending ultrasonic waves to the finger and measuring the reflection received. Human fingerprints have different textures, so the reflection received by the sensor will also be different.

The ultrasonic sensor can measure the reflection received from the finger and create a 3D image of the fingerprint to match the data stored in the system.

4. Thermal Sensor

The thermal sensor on the fingerprint measures the temperature of the finger to retrieve fingerprint data. This sensor measures the difference in temperature between the finger and the sensor to retrieve fingerprint data.

This sensor works by measuring the temperature of the finger when the finger touches the sensor. Human fingerprints have different temperatures, so the thermal sensor measures the temperature received from the finger and matches it with the data stored in the system to determine the authenticity of the finger.

5. Pressure Sensor

The pressure sensor on the fingerprint measures the pressure that is applied to the sensor when a finger touches it. This sensor uses the same technology as a capacitive sensor, but what is measured is the pressure on the sensor as fingerprint data.

This sensor works by measuring the pressure on the sensor when a finger touches it. Human fingerprints have different textures, which makes each pressure on the sensor different. The pressure is then matched against the data stored in the system when someone makes a new entry.

The pressure sensor can measure the pressure applied to the sensor and its determination with data stored in the system to determine the authenticity of the finger used.

How Does a Fingerprint Work

An office now will not be complete without an attendance machine. Attendance machines are used in all places from offices to schools. The absence machine functions to facilitate the attendance of internal parties by using fingerprint technology.

Now, it’s time for you to know how fingerprint works in the attendance machine. The trick is to take fingerprint data from employees or students who will take attendance. This process begins with the employee touching the fingerprint sensor on the attendance machine. The sensor will retrieve fingerprint data from the touched finger, then this data will be matched with fingerprint data stored in the system.

If the data generated by the sensor matches the stored data, the attendance machine will record the employee’s absence and display the message “Attendance Successful”. However, if the data generated by the sensor does not match the stored data, the attendance machine will reject the employee’s attendance attempt and display the message “Attendance Failed”.

Read Also: Benefits of Using Online Attendance

Some fingerprint-based attendance machines are also equipped with other features such as cameras and LCDs. This feature can be used to take pictures of employees when filling out work attendance.

The attendance process using a fingerprint is very efficient because employees no longer need an attendance card. In addition, the fingerprint attendance process is also safer than the attendance process with a magnetic card or chip card because unique fingerprint data is very difficult to duplicate.

Apart from fingerprint technology, you can also find the application of the biometric concept in facial recognition-based technology. face recognition offers various advantages when compared to fingerprints. An example is anti-spoofing which can reduce the possibility of fraud.

If you’re worried about the face recognition process doesn’t work, just use the Liveness Detection application by AdIns. This service is equipped with an algorithm based on deep learning so that it can detect your face regardless of the presence of light or shadow reflections.

Use the finest face recognition software from AdIns here! , and make your self-identification process easier with the aid of face recognition from AdIns and you don’t have to worry about how fingerprint works anymore!