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  2. Closed-circuit television camera - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television...

    These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

  3. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    The studies found that CCTV reduced crime by 24–28% in public streets and urban subway stations. It also found that CCTV could decrease unruly behaviour in football stadiums and theft in supermarkets/mass merchant stores. However, there was no evidence of CCTV having desirable effects in parking facilities or suburban subway stations.

  4. Camera control unit - Wikipedia

    en.wikipedia.org/wiki/Camera_control_unit

    Four Sony CCU-D50 control units. The camera control unit (CCU) is typically part of a live television broadcast chain. It is responsible for powering the professional video camera, handling signals sent over the camera cable to and from the camera, and can be used to control various camera parameters remotely.

  5. Network video recorder - Wikipedia

    en.wikipedia.org/wiki/Network_Video_Recorder

    A network video recorder (NVR) is a specialized computer system that records video [1] to a disk drive, USB flash drive, memory card, or other mass storage device. An NVR itself contains no cameras, but connects to them through a network, typically as part of an IP video surveillance system.

  6. Digital video recorder - Wikipedia

    en.wikipedia.org/wiki/Digital_video_recorder

    A digital video recorder (DVR), also referred to as a personal video recorder (PVR) particularly in Canadian and British English, is an electronic device that records video in a digital format to a disk drive, USB flash drive, SD memory card, SSD or other local or networked mass storage device.

  7. No Way Out (1987 film) - Wikipedia

    en.wikipedia.org/wiki/No_Way_Out_(1987_film)

    No Way Out is a 1987 American neo-noir [1] thriller film directed by Roger Donaldson and starring Kevin Costner, Gene Hackman, Will Patton, and Sean Young. Howard Duff , George Dzundza , Jason Bernard , Fred Thompson , and Iman appear in supporting roles.

  8. Electrical device - Wikipedia

    en.wikipedia.org/wiki/Electrical_device

    It usually consists of an enclosure, a variety of electrical components, and often a power switch. Examples of these include: Lighting; Major appliance; Small appliances; IT equipment (computers, printers etc.) Motors, pumps and HVAC Systems; More specifically, electrical equipment refers to the individual components of an electrical ...

  9. Junction box - Wikipedia

    en.wikipedia.org/wiki/Junction_box

    A similar, usually wall mounted, container used mainly to accommodate switches, sockets and the associated connecting wiring is called a pattress. The term junction box may also be used for a larger item, such as a piece of street furniture. In the UK, such items are often called a cabinet. See Enclosure (electrical).

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