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Now mobile phone navigation is very convenient for our life. It allows us to know our position and direction in real time and accurately find the destination. Ludu is no longer worried about not finding a way home. This is of course behind the scenes. The sensor is matched. The GPS position sensor receives the coordinate information transmitted by the satellite to locate the current position. The acceleration sensor and the gyroscope cooperate to calculate the current mobile phone steering, so that we can not only know our position, but also know the current direction and forward speed. Higher-end mobile phones usually carry a barometer. The barometer can measure the atmospheric pressure sensor as its name suggests, but it is mainly used to calculate the altitude of the mobile phone on the mobile phone. Knowing the altitude can make the GPS positioning more accurate.

How near-field sensors can improve the experience of mobile phones

If we pay careful attention, when answering the phone, the phone will automatically black out to prevent the ear from touching the screen. Of course, such intimate functions are indispensable for the near-field sensor. It mainly calculates the distance from the object by emitting external light. After knowing the information, the software can be used endlessly. Similar scenes, in the scene of inconvenient to answer the phone, flip the phone, you can mute the phone and so on.

The next innovative technology for mobile phones is the application of 3D structured light.
Fingerprint recognition has become the standard of mobile phones nowadays. Its appearance simplifies the security policy of mobile phones and replaces the way of password input in the past. Of course, the fingerprint sensor has to be credited, but it still needs the user to operate by hand. But here we are talking about 3D structured light technology, which can replace the slightly sloppy fingerprint recognition in terms of payment and encryption. Of course, what is to be said here is its future prospects. Sensors equipped with 3D structured light can not only capture 2D images, but also collect high-precision depth information, so that the entire 3D space environment can be reproduced.

The typical application scenario is facial recognition. Through 3D information comparison, it can achieve more accurate and safer recognition than 2D recognition. In the future, the user can transmit the collected 3D information to the other party during communication, and the other party can restore the user's 3D space image, and the 3D virtual influence call will go from the movie to the reality.
There are also other sensors on the smartphone, such as light sensors. The software can adjust the brightness of the screen according to the intensity of the light. In short, the sensor of the mobile phone is just like the human senses, and feels the surrounding environment information, which is also the reason for the many functions of the smart phone. In the future, more sensors will be added to the smartphone, making our mobile phone more powerful.