Closed-circuit television

CCTVsecurity cameravideo surveillancesurveillance cameraclosed circuit televisionsecurity camerassurveillance camerasclosed-circuitvideo monitoringclosed-circuit TV
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.wikipedia
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Videotelephony

videoconferencingvideo conferencingvideo chat
Though Videotelephony is seldom called 'CCTV' one exception is the use of video in distance education, where it is an important tool.
Such an antecedent usually consisted of two closed-circuit television systems connected via coax cable or radio.

Control room

operations roomCombat Information Centeroperations center
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.
Some control rooms are themselves under continuous video surveillance and recording, for security and personnel accountability purposes.

IP camera

IP camerasnetwork cameracameras
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.
Unlike analog closed-circuit television (CCTV) cameras, they require no local recording device, but only a local area network.

Pay-per-view

pay per viewPPViPPV
Closed-circuit television was used as a form of pay-per-view theatre television for sports such as professional boxing and professional wrestling.
The earliest form of pay-per-view was closed-circuit television, also known as theatre television, where professional boxing telecasts were broadcast live to a select number of venues, mostly theaters, where viewers paid for tickets to watch the fight live.

Walter Bruch

Bruch, Walter
The noted German engineer Walter Bruch was responsible for the technological design and installation of the system.
He is the inventor of Closed-circuit television.

WrestleMania I

WrestleManiathe first WrestleManiafirst WrestleMania
In 1985, the WrestleMania I professional wrestling show was seen by over one million viewers with this scheme.
The event was seen by over one million viewers through closed-circuit television, making it the largest pay-per-view showing of a wrestling event on closed-circuit television in the United States at the time.

Video camera

video camerasVideocamera
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.
A few cameras still serve live television production, but most live connections are for security, military/tactical, and industrial operations where surreptitious or remote viewing is required.

Thrilla in Manila

Ali-Frazierdefeatsin Manila
Closed-circuit telecasts peaked in popularity with Muhammad Ali in the 1960s and 1970s, with "The Rumble in the Jungle" fight drawing 50million CCTV viewers worldwide in 1974, and the "Thrilla in Manila" drawing 100million CCTV viewers worldwide in 1975.
The fight was watched by a record global television audience of 1billion viewers, including 100million viewers watching the fight pay-per-view on closed-circuit theatre television and 500,000 pay-per-view buys on HBO home cable television.

Automatic number-plate recognition

automatic number plate recognitionautomatic license plate recognitionANPR
Cameras have also been installed on public transport in the hope of deterring crime, and in mobile police surveillance vehicles, often with automatic number plate recognition, and a network of APNI-linked cameras is used to manage London's congestion charging zone.
It can use existing closed-circuit television, road-rule enforcement cameras, or cameras specifically designed for the task.

Muhammad Ali

Cassius ClayAliMohammed Ali
Closed-circuit telecasts peaked in popularity with Muhammad Ali in the 1960s and 1970s, with "The Rumble in the Jungle" fight drawing 50million CCTV viewers worldwide in 1974, and the "Thrilla in Manila" drawing 100million CCTV viewers worldwide in 1975.
The company mainly handled Ali's boxing promotions and pay-per-view closed-circuit television broadcasts.

Bournemouth

Bournemouth Borough CouncilBournemouth, EnglandBournemouth County Borough
Experiments in the UK during the 1970s and 1980s, including outdoor CCTV in Bournemouth in 1985, led to several larger trial programs later that decade.
The Bournemouth International Centre (BIC), a large conference and exhibition centre, was constructed near the seafront in 1984, and in the following year Bournemouth became the first town in the United Kingdom to introduce and use CCTV cameras for public street-based surveillance.

Jersey Joe Walcott

Joe WalcottArnold Raymond "Jersey Joe Walcott" CreamJersey Joe" Walcott
The first fight with a closed-circuit telecast was Joe Louis vs. Joe Walcott in 1948.
Though dropped again, this time in the 3rd; Louis prevailed by a knockout in round 11. The bout was the first closed-circuit telecast (CCTV) sports broadcast, distributed a theatre television.

Siemens

Siemens AGSiemens & HalskeKKK
The first CCTV system was installed by Siemens AG at Test Stand VII in Peenemünde, Nazi Germany in 1942, for observing the launch of V-2 rockets.
The same year Siemens acquired Photo-Scan (UK, CCTV systems), US Filter Corporation (water and Waste Water Treatment Technologies/ Solutions, acquired from Veolia), Hunstville Electronics Corporation (automobile electronics, acquired from Chrysler), and Chantry Networks (WLAN equipment).

One-man operation

driver-only operationdriver only operationone man operation
A CCTV system may be installed where any example, on a Driver-only operated train CCTV cameras may allow the driver to confirm that people are clear of doors before closing them and starting the train.
On curved platforms a CCTV system, mirror or station dispatch staff are required.

The Rumble in the Jungle

Rumble in the Jungleheavyweight title fight1974 fight
Closed-circuit telecasts peaked in popularity with Muhammad Ali in the 1960s and 1970s, with "The Rumble in the Jungle" fight drawing 50million CCTV viewers worldwide in 1974, and the "Thrilla in Manila" drawing 100million CCTV viewers worldwide in 1975.
The fight was broadcast live pay-per-view on closed-circuit television, also known as theatre television, to venues across the world.

Digital video recorder

DVRPVRpersonal video recorder
A more advanced form of CCTV, utilizing 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).
Digital video recorders configured for physical security applications record video signals from closed-circuit television cameras for detection and documentation purposes.

Julio César Chávez vs. Oscar De La Hoya

Jun 7, 1996
As late as 1996, the Julio César Chávez vs. Oscar De La Hoya boxing fight had 750,000 viewers.
A controversial decision was made prior to the fight as De La Hoya's promoter Bob Arum refused to let the fight be carried on Pay-per-view and instead opted for it to be shown almost exclusively on closed-circuit television, severely limiting the highly anticipated bouts audience.

Surveillance

electronic surveillancestakeoutmonitoring
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, stores, and other areas where security is needed.
This can include observation from a distance by means of electronic equipment (such as closed-circuit television (CCTV) cameras) or interception of electronically transmitted information (such as Internet traffic or phone calls).

Telescreen

telescreens
Furthermore, they argue that CCTV displaces crime, rather than reducing it. Critics often dub CCTV as "Big Brother surveillance", a reference to George Orwell's novel Nineteen Eighty-Four, which featured a two-way telescreen in every home through which The Party would monitor the populace.
Telescreens are devices that operate as televisions, security cameras, and microphones.

Security guard

private securitysecurity guardsnight watchman
Nonetheless, private sector personnel in the UK who operate or monitor CCTV devices or systems are considered security guards and have been made subject to state licensing.
Security guards do this by maintaining a high-visibility presence to deter illegal and inappropriate actions, looking (either directly, through patrols, or indirectly, by monitoring alarm systems or video surveillance cameras) for signs of crime or other hazards (such as a fire), taking action to minimize damage (such as warning and escorting trespassers off property), and reporting any incidents to their clients and emergency services (such as the police or paramedics), as appropriate.

Active traffic management

ATMactive trafficenterprise traffic management system
With the addition of fixed cameras for the active traffic management system, the number of cameras on the Highways Agency's CCTV network is likely to increase significantly over the next few years.
Operators can also monitor 150 CCTV cameras along the route and can control both the speed limits and information signs.

Eidophor

theatre television
Closed-circuit television was used as a form of pay-per-view theatre television for sports such as professional boxing and professional wrestling.
Closed-circuit television

Automated teller machine

ATMATMsautomatic teller machine
For example, a hidden camera at an ATM can capture people's PINs as they are entered, without their knowledge.
In some countries, multiple security cameras and security guards are a common feature.

Highways England

Highways AgencyTrunk primary routesHighways Agency Historical Railways Estate
The UK Highways Agency has a publicly owned CCTV network of over 3000 Pan-Tilt-Zoom cameras covering the British motorway and trunk road network.
NTIS also has access to nearly 2,000 CCTV cameras, 300 weather stations, 4,600 roadside electronic signs, 16,000 roadside electronic matrix signals and incident data from over 250 operational partners including the police and local authorities.

Artificial intelligence for video surveillance

Artificial intelligence for video surveillance
Artificial intelligence for video surveillance utilizes computer software programs that analyze the images from video surveillance cameras in order to recognize humans, vehicles or objects.