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Closed Circuit Television
- Jan 02, 2019 -

d Circuit Television (CCTV) An image communication system that refers to a television system that performs video transmission in a specific area and plays only in fixed loop equipment. For example, a video recorder, a monitor in a building, and the like. This type of playback mode is called closed circuit television. The signal is transmitted from the source only to a pre-arranged specific television set that is connected to the source. Widely used in a large number of different types of surveillance work, education, video conferencing, etc.