How Do Home Security Camera Systems Work?
Closed-circuit TV (CCTV) security camera systems are the tried-and-true technology for surveillance monitoring at homes and businesses. Older models still use video tapes to store the action they record – or, more often, the lack of action. Video tape in older CCTV camera security systems may run continuously, recording perfectly ordinary and forensically useless scenes. If a particular event (such as a break-in) must be found there’s a lot of fast-forwarding and rewinding to do. More modern and efficient CCTV tape systems are motion-activated; the cameras do not record unless something of at a least a specified minimum size moves within their range. Such camera surveillance systems can be fine-tuned to ignore insects, chipmunks, cats, small dogs, etc. In this way, only potentially relevant video is stored and has to be reviewed. You may still get burglarized by a trained carrier pigeon, but that’s a risk you’ll have to accept with the newer technology. Many CCTV home security system c
