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closed-circuit television
(redirected from Closed-circuit TV)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.

closed-circuit television

Localized television system in which programmes are sent over relatively short distances. The camera, receiver, and controls are linked by cable. Closed-circuit TV systems are used in shops, banks, schools, airports, and many public places as a means of security, monitoring people's movements.

Debate over the use of CCTVs, which became widespread in the late 20th century, has centred on perceived intrusion on privacy and civil liberties.



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? Mentioned in ? References in periodicals archive
 
Work to install dynamic message signs and closed-circuit TVs along interstates 51 and 57 and U.
The CBC had been unsuccessful at convincing the federal government to give it an advance on future federal appropriations, Lacroix told thousands of employees via closed-circuit TV and teleconference.
Council officials have confirmed that the closed-circuit TV system in Huddersfield is to be improved.
 
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