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  2. HDcctv - Wikipedia

    en.wikipedia.org/wiki/HDcctv

    HDcctv ( High Definition Closed Circuit Television) is an open industrial standard for transmitting uncompressed high-definition analog (AHD) or digital video over point-to-point coaxial cable links for video surveillance applications. [1] [2] [3] HDcctv uses the SMPTE HD-SDI protocol and can transmit 720p or 1080p video over at least 100 m of ...

  3. IP camera - Wikipedia

    en.wikipedia.org/wiki/IP_camera

    Connection. Ethernet, Wi-Fi. An Internet Protocol camera, or IP camera, is a type of digital video camera that receives control data and sends image data via an IP network. They are commonly used for surveillance, but, unlike analog closed-circuit television (CCTV) cameras, they require no local recording device, only a local area network.

  4. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    Home security. Home security includes both the security hardware placed on a property and individuals' personal security practices. Security hardware includes doors, locks, alarm systems, lighting, motion detectors, and security camera systems. Personal security involves practices like ensuring doors are locked, alarms are activated, owning a ...

  5. Contrast seeker - Wikipedia

    en.wikipedia.org/wiki/Contrast_seeker

    The Walleye combined a contrast seeker with a to the launch aircraft that allowed manual override. Optical contrast seekers, or simply contrast seekers, are a type of missile guidance system using a television camera as its primary input. The camera is initially pointed at a target and then locked on, allowing the missile to fly to its target ...

  6. 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.

  7. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    Wireless security cameras are closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band. Many wireless security cameras require at least one cable or wire for power; "wireless" refers to the transmission of video/audio. However, some wireless security cameras are battery-powered ...

  8. Thermal imaging camera - Wikipedia

    en.wikipedia.org/wiki/Thermal_imaging_camera

    A thermal imaging camera (colloquially known as a TIC) is a type of the thermographic camera used in firefighting. By rendering infrared radiation as visible light, such cameras allow firefighters to see areas of heat through smoke, darkness, or heat-permeable barriers. Thermal imaging cameras are typically handheld, but may be integrated with ...

  9. National Security Entry-Exit Registration System - Wikipedia

    en.wikipedia.org/wiki/National_Security_Entry...

    The National Security Entry-Exit Registration System ( NSEERS) or INS Special Registration [1] [2] was a system for registering certain non-citizens within the United States, initiated in September 2002 as part of the War on Terrorism. Portions were suspended as of April 27, 2011, and the entirety of the regulation was removed on December 23, 2016.