Network IP Camera

Network IP Camera

Network IP Camera

A digital camera used for surveillance. Network cameras are the successor to the analog-based closed-circuit TV (CCTV) systems that have been widely used for decades, but instead of a dedicated network, they use the home or office Wi-Fi or Ethernet network, which also provides Internet access. Pioneered in 1996 by Axis Communications and also called an “IP camera,” network cameras use standard IP protocols to transmit Motion JPEG, MPEG or H.264 video. See CCTV.

Network IP Camera gives more clear images compared to analog CCTV camera.Video (with or without audio) from all the cameras is recorded simultaneously on a dedicated network video recorder (NVR) or on a PC using video management software (VMS). Most network cameras have motion sensors as well as built-in Web servers running Linux, which allows them to be adjusted and their output viewed from any Web browser. See PIR sensor and PTZ.

One or Two Cables: A Wi-Fi camera uses one cable plugged into an AC outlet. An Ethernet camera requires an additional cable that plugs into the switch. However, a power-over-Ethernet (PoE) camera plugs into a PoE switch from which it also derives its power (see POE).

Higher Resolution and Greater Flexibility: Because network cameras are digital, they are not confined to earlier analog TV resolutions and thus may be able to capture video in high definition. Adding another network camera is easy, whereas analog cameras require an input port on the recording unit for each camera; for example, a ninth camera cannot be added to an eight-port recorder. See ONVIF, MPEG and H.264. Contrast with Webcam.

However we can conclude that Network IP Cameras are the future of video surveillance.

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