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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

    Surveillance cameras on the corner of a building. Surveillance camera in a residential community. Dome camera in Rotterdam central metro station. Closed-circuit television ( CCTV ), also known as video surveillance, [1] [2] is the use of closed-circuit television cameras to transmit a signal to a specific place, on a limited set of monitors.

  4. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    A liquid-crystal display ( LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly [ 1] but instead use a backlight or reflector to produce images in color or monochrome.

  5. List of common display resolutions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_display...

    960H is a resolution used in analog CCTV equipment. 960H represents the number of horizontal pixels in a video signal transmitted from a camera or received by a DVR (Digital Video Recorder). The resolution of 960H depends on whether the equipment is PAL or NTSC based: 960H represents 960 x 576 (PAL) or 960 x 480 (NTSC) pixels.

  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 Canada 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. The term includes set-top boxes (STB) with direct ...

  7. Smart TV - Wikipedia

    en.wikipedia.org/wiki/Smart_tv

    Smart TV. A smart TV, also known as a connected TV ( CTV ), is a traditional television set with integrated Internet and interactive Web 2.0 features that allow users to stream music and videos, browse the internet, and view photos. Smart TVs are a technological convergence of computers, televisions, and digital media players.

  8. Camera control unit - Wikipedia

    en.wikipedia.org/wiki/Camera_control_unit

    Camera control unit. 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.

  9. List of Panasonic camcorders - Wikipedia

    en.wikipedia.org/wiki/List_of_Panasonic_camcorders

    AG-HVX200, AG-HVX200A (2005, 2006) Panasonic AG HVX200. The AG-HVX200 is a fixed-lens hybrid camcorder released in December 2005 for 60 Hz market and April 2006 for 50 Hz market. The camcorder allows file-based recording onto P2 cards, as well recording SD footage onto traditional MiniDV cassettes.