CCTV, Closed Circuit TeleVision, is a TV system that does not broadcast TV signals to public but transmits them over to limited monitor(s). CCTV system usually utilizes CCD video cameras (to produce the video), cable or wireless transmitters/receivers or Internet (to transmit the video), and monitors (to see the video). CCTV system is not only applied to the security and surveillance purpose but also to the other fields like laboratory in schools or in private companies, even to production lines in factories. As the application of CCTV system increased, the CCTV industry has developed variety of CCTV equipment like Time Lapse VCRs, combiners, infrared illuminators, Pan/Tilt, etc. The most recent development is web camera server which uses the Internet for remote surveillance.
Sometimes the terms that are used when describing the specifications of security cameras can be confusing. Here are some common terms associated with surveillance cameras and their definitions. As always, if there are any features or specifications that you don’t understand on any of our surveillance cameras, please give us a call. We are happy […]
Generally, when taking pictures or videos in the dark, you will notice dark and light spots on the image. This is prevalent in closed circuit television (CCTV) cameras, digital cameras, camcorders, basically any type of camera in low light settings. Fortunately for surveillance cameras, most of them feature digital noise reduction. It removes the specks on the photo […]
(DVR – Digital video recorder) There have been many technology innovations and discoveries being made every day. One area that has largely benefited is the surveillance and security industry. Since the emergence of surveillance DVR, it has become easy to track intruders and thieves. So what is a surveillance DVR? This refers to Digital video […]