network camera

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network camera

A digital camera used for surveillance. Network cameras are the successor to the analog closed-circuit TV (CCTV) systems that have been widely used for decades, but instead of a dedicated network, they use the local IP 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, ONVIF, MPEG and H.264.

Video (with or without audio) from all the cameras is recorded simultaneously on a dedicated network video recorder (NVR), which is a computer with video management software. Security services also provide cloud storage in lieu of or as backup for local recording. Most network cameras have motion sensors as well as built-in Web servers running Linux, which allows them to be adjusted and viewed from any Web browser.

Security cameras designed for the home with recording in the cloud may or may not be called network cameras (see connected camera).

One or Two Cables
Wi-Fi cameras use one power cable plugged into an AC outlet. Ethernet cameras require an additional cable that goes to the switch. However, power-over-Ethernet (PoE) cameras use a PoE switch for power (see PoE). See Webcam, PIR sensor and PTZ.

A Network Camera
This earlier Axis Ethernet camera plugged into an Ethernet switch (beige wire) and drew power from an AC outlet (black wire). Wi-Fi and power-over-Ethernet (PoE) cameras use only one cable.
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References in periodicals archive ?
The global Network Camera market is studied in detail in the new report on Wise Guy Research (WGR).
Other products on display included an extensive range of security products such as network cameras, face search technology, control room security products, fire alarm systems, video intercom, home security products and the Arbitrator HD/wearable cameras.
Eric Yang, Country Manager - India at Edimax Technology, said "IC-3115W is the latest addition to our network cameras which is cost-effective and stylish.
AXIS Q1755 Network Camera, the industry's first HDTV surveillance camera, for high-quality indoor surveillance in varying lighting conditions
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Integration with the Edimax network camera range means Edimax network cameras are verified to be compatible and fully functional with all features of the DiskStation, DiskStation Manager 4.0 operating system and The Surveillance Station video recording and surveillance system management station.
The company said that the new app allows users to access multiple live video steams with their mydlink-enabled network camera's, such as the Day/Night Network Camera with mydlink (DCS-932L) and Wireless N Network Camera with mydlink (DCS-930L), from any tablet device.
8 -- EDIMAX Technology, the world's leading provider of advanced network communication products, launches the IC-3030i series network camera for home and SOHO users.
WORLDWIDE COMPUTER PRODUCTS NEWS-January 5, 2011-D-Link unveils new network camera solutions(C)1995-2011 M2 COMMUNICATIONS
Summary: Axis Communications today announced the introduction of new innovative additions to its Thermal Network Camera range .
The network camera comes with Axis Camera Explorer software and contains a built-in Web server, Universal Plug and Play support and free AXIS Internet Dynamic DNS Service, connecting directly to a local network or the Internet.

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