Acronym of CCTV

( Closed Circuit Tele Vision ) Closed-circuit television, etc. a set that the imaging by the video camera and transfer the images to display limited deals. This system, in terms of how to prepare, view and record the information into two groups: analog and digital categories.

system, closed circuit television for the first time in 1942, and in the flow of the production process, rocket, FAW 2, Germany, by Siemens were hired. Another use of CCTV for the first time in 1968 in the USA, New York City, to fight crime.

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