What does closed-circuit television mean?
Definitions for closed-circuit television
closed-cir·cuit tele·vi·sion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word closed-circuit television.
Princeton's WordNet
closed-circuit televisionnoun
a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater)
Wiktionary
closed-circuit televisionnoun
A system of television cameras, connected by cable to a control room, used for surveillance.
Wikipedia
Closed-circuit television
Closed-circuit television (CCTV), also known as video surveillance, is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point-to-point (P2P), point-to-multipoint (P2MP), or mesh wired or wireless links. Even though almost all video cameras fit this definition, the term is most often applied to those used for surveillance in areas that require additional security or ongoing monitoring (Videotelephony is seldom called "CCTV"). Surveillance of the public using CCTV is common in many areas around the world. Video surveillance has generated significant debate about balancing its use with individuals' right to privacy even when in public.In industrial plants, CCTV equipment may be used to observe parts of a process from a central control room, especially if the environments observed are dangerous or inaccessible to humans. CCTV systems may operate continuously or only as required to monitor a particular event. A more advanced form of CCTV, using digital video recorders (DVRs), provides recording for possibly many years, with a variety of quality and performance options and extra features (such as motion detection and email alerts). More recently, decentralized IP cameras, perhaps equipped with megapixel sensors, support recording directly to network-attached storage devices, or internal flash for completely stand-alone operation. By one estimate, there will be approximately 1 billion surveillance cameras in use worldwide by 2021. About 65% of these cameras are installed in Asia. The growth of CCTV has been slowing in recent years. The deployment of this technology has facilitated significant growth in state surveillance, a substantial rise in the methods of advanced social monitoring and control, and a host of crime prevention measures throughout the world.
ChatGPT
closed-circuit television
Closed-circuit television, often abbreviated as CCTV, is a video surveillance system used to transmit video signals to a specific place, limited set of monitors. It involves the use of video cameras to transmit a signal to a particular place on a limited set of monitors, providing real-time or recorded surveillance of a particular area. It differs from broadcast television in that the signal is not openly transmitted, but is protected and secured for specific authorized viewing.
Wikidata
Closed-circuit television
Closed-circuit television is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point to point, point to multipoint, or mesh wireless links. Though almost all video cameras fit this definition, the term is most often applied to those used for surveillance in areas that may need monitoring such as banks, casinos, airports, military installations, and convenience stores. Videotelephony is seldom called "CCTV" but the use of video in distance education, where it is an important tool, is often so called. In industrial plants, CCTV equipment may be used to observe parts of a process from a central control room, for example when the environment is not suitable for humans. CCTV systems may operate continuously or only as required to monitor a particular event. A more advanced form of CCTV, utilizing digital video recorders, provides recording for possibly many years, with a variety of quality and performance options and extra features. More recently, decentralized IP-based CCTV cameras, some equipped with megapixel sensors, support recording directly to network-attached storage devices, or internal flash for completely stand-alone operation. Surveillance of the public using CCTV is particularly common in many areas around the world including the United Kingdom, where there are reportedly more cameras per person than in any other country in the world. There and elsewhere, its increasing use has triggered a debate about security versus privacy.
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Numerology
Chaldean Numerology
The numerical value of closed-circuit television in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of closed-circuit television in Pythagorean Numerology is: 1
Examples of closed-circuit television in a Sentence
Ideally there should be constant, one-on-one eyes on (suicidal) inmates, i mean human eyes, not closed-circuit television.
It will remain an emergency exit per fire code. If anyone tries to access it, the door alarm will be activated and recorded on CCTV (closed-circuit television). The only personnel that will now have access to this door will be emergency responders (police and fire department).
I mean human eyes, not closed-circuit television, it is so easy to get distracted and walk away from the TV set.
The area that we visited ... that leads from the Delta break room to the baggage make-up area is being locked down, it will remain an emergency exit per fire code. If anyone tries to access it, the door alarm will be activated and recorded on CCTV (closed-circuit television). The only personnel that will now have access to this door will be emergency responders (police and fire department).
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"closed-circuit television." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/closed-circuit+television>.
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