China lock industry research
It is reported that due to the development of sound, light, machine, electricity and magnetism, the design of locks has also undergone great changes. By 1974, the United States had successfully...
Face recognition and fingerprint recognition develop together, why is fingerprint recognition one step behind?
Now facing the impact of face recognition, the second half of fingerprint recognition tends to be dull. Many mobile phone manufacturers are asking for new technologies for face recognition, although...
USB 3.2 interface features, the difference between USB 3.0 and USB 2.0
The main technical points of USB 3.2: 1. Implement dual channel on existing USB Type-C data line 2, continue to use the existing SuperSpeed USB physical transmission rate and technology 3. Some small...
How infrared thermometer works
Infrared thermometer consists of optical system, photodetector, signal amplifier, signal processing and display output. The optical system converges the target infrared radiation energy within its...