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  2. List of digital camera brands - Wikipedia

    en.wikipedia.org/wiki/List_of_digital_camera_brands

    Closed Circuit Television Camera (CCTV) - IP Camera. Ranging from megapixel quality cameras to High Definition Cameras. It also goes by the name of Advert CCTV AgfaPhoto: Germany: Compact digital cameras Aigo: China: Compact digital cameras Akaso: China Compact digital cameras Bell & Howell: United States: Compact digital cameras BenQ: Taiwan

  3. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    The CCTV User Group estimated that there were around 1.5 million private and local government CCTV cameras in city centres, stations, airports, and major retail areas in the UK. [120] Research conducted by the Scottish Centre for Crime and Justice Research and based on a survey of all Scottish local authorities identified that there are over ...

  4. Closed-circuit television camera - Wikipedia

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

    Because network cameras are embedded devices, and do not need to output an analogue signal, resolutions higher than closed-circuit television 'CCTV' analogue cameras are possible. A typical analogue CCTV camera has a PAL (768x576 pixels) or NTSC (720x480 pixels), whereas network cameras may have VGA (640x480 pixels), SVGA (800x600 pixels) or ...

  5. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    Wireless security cameras function best when there is a clear line of sight between the camera(s) and the receiver. If digital wireless cameras are outdoors and have a clear line of sight, they typically have a range between 250 and 450 feet. If located indoors, the range can be limited to 100 to 150 feet.

  6. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    Closed-circuit, or CCTV cameras, stream through wired or wireless links. [9] These cameras stream live footage to users, allowing them to watch for suspicious activity. Current cameras feature abilities such as motion detection and two-way audio, allowing users to receive notifications of activity and speak and listen through the camera.

  7. HDcctv - Wikipedia

    en.wikipedia.org/wiki/HDcctv

    Since the coaxial cables originally used for the analog system have significant unused data spectrum available, it is a simple matter to just replace the camera and the recorder to obtain nearly seven times higher detail (1920x1080 vs 640x480) than the original camera system.

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