closed-circuit television



  • A television circuit with no broadcasting facilities and a limited number of reception stations. transmission is typically between two points. Can be integrated into a building automation system and used for building security purposes.

Information & Library Science


  • noun
    (written as closed circuit television)
    a system where TV is shown only to a small group of people within a limited area such as a building.

Media Studies

  • noun a television transmission system in which cameras transmit pictures by cable to connected monitors. Surveillance systems are based on this type of transmission.


  • synonymclosed-circuit TV