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Monitor the camera 1/3 and 1/4 of the difference there is nothing different CCD what is it
- 1/4 and 1/3 refer to the size of the camera's sensor chip. The camera image sensor (CCD or CMOS) has an area of 1/3 inch or 1/4 inch. The same manufacturing process and standards, the larger the image sensor (CCD or CMOS) area, the better the image quality (resolution).s
The working principle of the camera with infrared light
- First, the characteristics of infrared and infrared light light is an electromagnetic wave, with the same nature as the radio waves. Its wavelength range is from several nanometers (1nm = 10-9m) to about 1mm (mm). The visible wavelength is from 380nm to 780nm, the wavelength of visible light from long to short into red, orange, yellow, green, blue, blue, violet, the wavelength is shorter than the purple light, the wavelength of visible light is only a part of the visible light, visible light Called ultraviolet light, the wavelength is longer than the infrared light called infrared light. Infrared light wavelength between 780nm ~ 1000μm, located between the radio and visible light. Infrared light according to its infrared radiation mechanism is divided into semiconductor solid light (infrared emission diode IR LED) infrared light and heat radiation infrared light two. At present in the CCTV infrared camera in the former use more.s
What color is the monitor when the camera is turned on?
- Most of them are red, there are white light and no red light at night no light, and the specific relationship between the wavelength of infrared light.s
Digital surveillance camera how to increase? Each head of the ip are 192.168.1.10 now have ten cameras. Ask how to do?
- That is, 192.168.1.10 to enter the camera IE browser software interface, enter the factory to give you the login user name and password, enter the settings to modify the IP address, every modification to a good note on the camera to prevent forgetting IPs
How to clean the surveillance camera
- If there is oil, use a special cleaning solvent, a small amount of these early decontamination work.s
Monitor how the camera is connected
- 3. How to use the network cable to monitor the camera to save costs. Twisted pair transmitter generally refers to the use of cable to transmit video equipment, twisted pair transmission using differential transmission principle, the video signal will be converted into the same amplitude, the opposite polarity of the video signal, through the twisted pair transmission, The two ends of the opposite side of the video signal subtraction into a normal video signal, it can effectively suppress common mode interference, even in strong interference environment, its anti-jamming capability is better than coaxial cable, and through the Video signal processing, the transmission of the image signal than the coaxial cable is clear, the same network cable will not interfere with each other.s
6mm camera and 3mm camera What is the difference
- 3, the smaller the smaller the effective monitoring of the distance, the more the larger the effective monitoring of the farther away from the lens.s
Monitor the top ten cameras
- Foreign brands: SONY, Panasonic, Samsung, Sanyo, Pyle high, Honeywell, and so on domestic brands: Yaan, Ming King, SOWZE, Hai Kang Wei as. The The Too muchs
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