closed-circuit television


Also found in: Dictionary, Thesaurus, Wikipedia.

closed-circuit television

a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit, as used in security systems, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

closed-circuit television

[¦klōzd ¦sər·kət ′tel·ə‚vizh·ən]
(communications)
Any application of television that does not involve broadcasting for public viewing; the programs can be seen only on specified receivers connected to the television camera by circuits, which include microwave relays and coaxial cables. Abbreviated CCTV.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
However, uncertainties in the cybersecurity risks, limitations of data storage, and recording gaps in wireless CCTV cameras may hamper the growth of the closed-circuit television (CCTV) camera industry over the forecast period.
Closed-circuit television monitors were often mounted on walls or located in adjacent sections of the control console.
David Vardy, who is the Foundation's projects director, said: "We decided, for the security of the teacher against unwarranted accusations, that having closed-circuit television in these spaces was something to be desired."
Imported items range from sophisticated satellite monitoring systems to closed-circuit television and pepper sprays.
The services category gives specific information about special services provided for students with disabilities, including special financial aid programs, disabled student resource centers, individualized curriculum tutoring, registration assistance, aids for library research, transportation assistance, reader service, taped books, special computers, closed-circuit television, note takers, interpreters, TTY/TTD access, and visible warning systems.
Closed-circuit television cameras will continually monitor the Square, and a number of other top secret plans have been drawn up.
This means that the large majority of correspondents, who have just flown thousands of miles at great expense, generally retire to the filing center to watch the president on closed-circuit television. "It's actually possible to travel overseas with a president and never see him," says Newsweek's Tom DeFrank.
Police said that 21 walk-through gates, 1,138 metal-detectors and 198 closed-circuit television (CCTV) cameras had been provided for security check.
Police said there was no closed-circuit television (CCTV) installed in the gym's locker area.
The DC asked him to write a letter to Home Department for installing closed-circuit television (CCTV) cameras and walkthrough gates on the jail premises.
"We reviewed our closed-circuit television footage and saw them selling the flags," National Park Development Commission executive director Penelope Belmonte said.