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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. Pan–tilt–zoom camera - Wikipedia

    en.wikipedia.org/wiki/Pan–tilt–zoom_camera

    PoE PTZ Camera: A PoE (power over Ethernet) PTZ camera may be powered and connected to the internet with a single Ethernet cable, eliminating the need for additional wiring. Analog PTZ Camera: Analog pan-tilt-zoom cameras are used to record surveillance footage, which is then stored in a DVR. DVR functionality is essential for converting ...

  4. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    IP cameras are considered part of the Internet of things and have many of the same benefits and security risks as other IP-enabled devices. [159] Smart doorbells are one example of a type of CCTV that uses IP to allow it to send alerts. Main types of IP cameras include fixed cameras, pan–tilt–zoom (PTZ) cameras, and multi-sensor cameras. [160]

  5. Axis Communications - Wikipedia

    en.wikipedia.org/wiki/Axis_Communications

    Network Cameras – Axis Communications is a manufacturer of network cameras for a wide range of applications. Its products include pan-tilt-zoom cameras, vandal-resistant cameras, thermal cameras, nitrogen-pressurized cameras, and wireless cameras. Axis launched the world's first commercially available thermal network camera in 2010 and the ...

  6. List of Sony products - Wikipedia

    en.wikipedia.org/wiki/List_of_Sony_products

    Image sensors for security cameras [11] Security camera image sensors are equipped with STARVIS™ / STARVIS 2 technology, to capture clear images regardless of the brightness level. The outstanding photographic performance of the image sensors makes them indispensable to the security field.

  7. Professional video camera - Wikipedia

    en.wikipedia.org/wiki/Professional_video_camera

    In studio cameras, the camera electronics shrank, and CCD imagers replaced the pickup tubes. The thick multi-core cables connecting the camera head to the CCU were replaced in the late seventies with triax connections, a slender video cable that carried multiple video signals, intercom audio, and control circuits, and could be run for a mile or ...

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