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What is the 960h in the surveillance camera?
- 960H is a set of quasi-HD solutions defined and developed by Techwell and Sony, which incorporates Sony's new generation of 960H CCD Sensor and Effio solutions, and the DVR side uses Techwell's latest TW9960 analog quasi-HD A / D solution. 960H resolution of 960 * 576, relative to the traditional D1 (720 * 576) overall picture clarity (details) increased by 30%. For the original analog monitoring system to upgrade the upgrade, only the front-end camera and back-end storage replaced by 960H products, transmission part can continue to follow the original system coaxial cable, the system architecture and the original analog system basically unchanged, Engineering and users without the need for professional skills training can be the original D1 system upgrade to 960H quasi-HD, the overall increase in the screen 30% at the same time will not change the user's habits, suitable for limited budget but want to experience " User.s
Seeking a few surveillance camera manufacturers
- Hai Kang, Dahua, Yu as, with the Corning are domestic good, to see where you want to use, the environment is different from the choice of the camera is also different, the price gap is also great,s
What is the difference between a network video encoder and a hard disk video recorder? And bolt machine cameras are the same as security monitoring? What kind of network video encoder used
- Network video coding is a professional network transmission device for compressing and processing audio and video data. Mainly to provide video compression or decompression function to complete the image data acquisition or recovery, the current more popular MPEG-4 or H.264-based image data compression through the Internet network to transmit data and audio data processing. And the same bolt, belong to security products. Suitable for viewing images monitored by the camera over the network.s
What is the abbreviation for monitoring the OLUX on the camera?
- The ambient illumination can be divided into several ranges: ultra low illumination (10-2lx), low illumination (10-1lx ~ 10lx), general illumination (10lx ~ 105lx), high illumination (106lx or more). See Table A.1. Table A.1 Environmental Illumination Range Environmental Illumination lx 2 × 10-5 to 2 × 10-4 7 × 10-4 to 3 × 10-3 3 × 10-2 to 3 × 10-1 5 5 × 102 3 × 103 ~ 105 3 × 104 ~ 105 106 Examples of environmental conditions dark night stars moonlight dawn sunrise / sunset cloudy sunny flames
Monitor the camera with high illumination and low light
- The minimum illuminance of the surveillance camera is the scene illumination value when the level of the video signal of the camera output is low to a certain value when the illuminance of the subject is low to a certain extent, and the value is smaller, indicating that the camera The higher the sensitivity. In addition, the minimum illumination will be changed according to the F value of the lens.s
What is the number of millimeters that monitor the camera?
- General surveillance camera to see the 4mm, 6mm, 8mm, 12mm, 16mm These lenses are generally divided into wide-angle, ordinary, long focal length, you can according to the parameters of the range, the most important thing is your camera installation location to You monitor the distance of the area.s
What kind of monitoring camera is used in the store? 360 ° with the introduction of ordinary
- If the store to install two, generally use diagonal installation, select 3.6MM lens, the basic can see the whole store (of course, the store is not big, about 20 square).s
Monitor the camera infrared light does not shine what is the reason
- Infrared light power is not connected, cut off the power connector should have two red lines, are connected to the positive poles
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