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CCTV

Closed Circuit Tele Vision

Technology » Robotics & Automation
What does CCTV mean?
Closed Circuit Tele vision(CCTV), is a TV system in which the circuit is closed and all the elements are directly connected i.e. it does not broadcast TV signals to public but transmits them over to desired monitors. CCTV system consist of a collection of cameras, tv/monitors, and recording devices are directly connected together via cables or other means. CCTV is commonly used in surveillance systems.
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World Wide CCTV Closed Circuit Tele Vision
 
China CCTV China Central Television News & Entertainment » TV & Radio