USB Camera Module
Dual Lens Camera Module with OV9281 Sensor
Facial Recognition & IR Camera Module for Anti-Spoofing
Description
Reviews
Product introduction
The camera module product made of the latest generation of digital processing chip and is equipped with the sensor OV9281. It has the characteristics of high definition, good night vision effect, rare noise. It supports IR_CUT switcher and work with fill light so as to. guarantee the clarity and brightness of the night image and make the image can get the best visual effect during the day and night.
In addition, this product also has automatic white balance, automatic electronic shutter and other functions. It is suitable for video surveillance in a small range of small shops, supermarkets, 24-hour stores, clothing stores, etc. It can also be used as the simplest computer camera.
It adopts ordinary computer USB2.0 interface, plug and play, fool-like operation, no need for acquisition card and power supply.
Product Size
Appearance
There are no dents, scratches, cracks, deformations and stains on the surface of the product; the surface has uniform colour, no blistering, cracking, falling off and abrasion; metal parts are free of rust; the text marks are clear and complete.
Features
• Adapting 1/4〞OV9281 sensor
• Supporting double filter switchers & D/N Synchronization
• Advanced digital signal process technology
• Min Lux：0.1 Lux
• The inductive infrared light source and truly realizing zero illumination monitoring
• Auto Balance
• Auto AGC
Technical parameter
Application
Quality contro lmethod
1. The camera examination should meet requirement of NO.1;
2. Using the calliper to measure the size of the camera, positioning holes, lens height and others, which should meet the requirements of 2;
3. The camera is connected to the display module or the displayer for detection, and the image cant appear the phenomenon such as distortion;
4. When the camera is working, using the oscilloscope to measure the video output amplitude of the video signal: 0.8~1.2VP-P/75Ω;
5. When the camera is connected to the displayer, and the standard colour card is placed 0.8 meters in front of the camera, the image on the observation monitor should be consistent with the real scene;
6. High and low temperature test, The temperature is maintained at 70 ° C for 2 h, the normal energy is applied, and the temperature is negative at 30 ° C for 2 h, the power-on test can work normally;
7. There must be no vignetting around the image;
8. Stability test, continuous aging for 24 hours, no failure should occur;
9. Camera minimum illumination test, camera minimum illumination reaches 1.0LUX. (no LED)
Test equipments used
1. Calliper with an accuracy of ±0.02mm
2. 24-colour standard colour card, grayscale comprehensive test chart
3. Camera module
4. Digital multimeter
5. Oscilloscope
6. DC regulated power supply, 14-inch colour monitor, lens with 3.6mm lens.
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