Digital Video Recorder (DVR)

Abstract

Closed-circuit television (CCTV) is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. It is often used for surveillance in areas that may need continuous/periodic monitoring such as banks, casinos, airports, military installations, convenience stores etc. In industrial plants, CCTV equipment may be used to observe parts of a process from a central control room, when the environment is not suitable for humans. It may operate continuously or only as required to monitor a particular event. The use of CCTV cameras is getting demand in every field of life keeping in view the security threats due to terrorism and also to keep the record of day to day events of any public place/business enterprise etc.