Q:What's the difference between the hemisphere and the world of security surveillance cameras?

In fact, with the most similar hemisphere in the interior of the bolt, installed on the roof. Global refers to high-speed ball, medium speed ball and so on, that is, you can control the direction of the computer, or keyboard operation, focusing, preset point, cruise, and other functions.

Q:What kind of knowledge does video surveillance system need?

Video surveillance system has developed for just over 20 years. From the 19 generation, the analog monitoring to the hot digital monitoring in 80s, and then to the ascendant, the network video surveillance has undergone tremendous changes. With the gradual unification of IP technology around the world today, it is necessary for us to re understand the history of video surveillance system development. From a technical point of view, the development of video surveillance system is the first generation of analog video surveillance system (CCTV), the second generation based on digital video monitoring system PC+ multimedia card (DVR), to the third generation based on IP network video monitoring system (IPVS).

Q:Characteristics of closed circuit monitoring system

Closed circuit monitoring system provides remote monitoring and control. According to the relevant national technical specifications, the system should be set up security camera, TV monitor, video recorders (or DVR) and image processor, the user can at any time any tune to see a picture of any remote control camera etc..Closed circuit monitoring system generally consists of three parts: front-end equipment, transmission part, back-end equipment (including control equipment and display equipment).The main components of closed-circuit monitoring system are: camera or image acquisition device, image transmission and control equipment, image processing and display equipment. Closed-circuit television monitoring system of the technical requirements are: the clarity of the camera, the system's transmission bandwidth, the video signal to noise ratio, television signal format, cameras achieve higher quality and operation function, as well as the environment of each part of the system to the extent.

Q:How to install closed-circuit monitoring to connect to mobile phones?

The simple principle is the use of software to monitor you can watch CCTV on the computer, only need to install a subroutine in the computer and run in the background, even if there are people in the operation of the computer and do not see any traces. (unless you see the task manager often!). Then, install the mother program on your cell phone, and turn on the APP on your phone to monitor and control everything on that computer... The biggest premise is that the computer can not be switched off.

Q:Why can't closed-circuit monitors be shown after thunder?

If there are no replacement conditions, no replacement of the device, you can start with a variety of testing methods.If it doesn't work, then go back to the factory for maintenance.

Q:Can the SYV 75-5 monitor video lines be used for closed-circuit television?

No problem with home. Line not more than 50 meters

Q:The CCTV Monitor for hard disk recorders is black and white. What's going on?

If the light enough, then there may be video line transmission problem, first, welding is not good, two is the line resistance is too high.It is also possible that the camera itself is faulty.

Q:Is it okay to use CCTV for surveillance cameras? Is video line the same as closed route?

Not recommendedBut I've never used it. If it's a short distance, you can try it out before wiring. The distance is long.

Q:In security surveillance, what is the difference between a hemisphere camera, a gun camera and a ball camera?

Hemisphere is generally ceiling installation bolt is installed on the wall, with the infrared lamp, lens size is according to the actual situations and requirements of customers to consider. The ball machine can rotate at 360 degrees. Preset bits can automatically cruise, zoom automatically, focus automatically in the center of the scene, keep the picture clear, or focus manually.

Q:How do you record everything monitored by the CCTV Monitor in your computer?

To record the picture, you need the following accessories: a computer, a video camera, a video compression card, a video software set. If yes, then the correct installation can be videotaped and save video data!