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How CCTV Protects? Tech Focus 11


Closed Circuit Television (CCTV) is now common in commercial establishments, banks , home etc to monitor the premises for discouraging theft by recording the criminal activity. The system uses a video camera to transmit the signals to a specific place on a set of monitors. The signal is not transmitted open but transmitted to limited points through short range transmission. The receiver is connected to a TV. In wired system, RF cables are used to connect the camera directly to the TV. The Digital Video Recorders (DVRs) provide recording facility continuously with extra features like motion detection. The IP based CCTV has mega pixel sensors help to record the data directly to network attached storage devices for completely stand alone operation. High Definition CCTV (HD CCTV) system is now available to identify and track the objects in their field of view.

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