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It was the subject of the world's first webcam, created by Quentin Stafford-Fraser and Paul Jardetzky in 1991. To save people working in the building the disappointment of finding the coffee machine empty after making the trip to the room, a camera was set up providing a live picture of the coffee pot to all desktop computers on the office network.
Extensive video surveillance systems were relegated to merely recording for possible forensic use to identify someone, after the fact of a theft, arson, attack or incident. Where wide angle camera views were employed, particularly for large outdoor areas, severe limitations were discovered even for this purpose due to insufficient resolution. [4]
The DRS Sentry HP is a reconnaissance UAV that was developed in the United States in the late 1980s by S-TEC. The program was acquired by Meggitt in 2000 and subsequently by DRS in 2002. Although the aircraft shares the name "Sentry" with a previous S-TEC design , the Sentry HP is a completely different machine, with a broad wing and a V tail.
In 1987, it began doing business under the name Sentry Group, in order to better identify the company with its trademark name safes — "Sentry". Sentry Group produces more fire-resistant chests, safes, security storage containers, and gun safes than any other company in the world [ citation needed ] and has won several awards, including ...
It is estimated to incorporate the video feeds of a total of 15,000 cameras. [164] The system is used by Chicago's Office of Emergency Management in case of an emergency call: it detects the caller's location and instantly displays the real-time video feed of the nearest security camera to the operator, not requiring any user intervention ...
Phalanx automated turret, mounted on USS Denver. A sentry gun is a weapon that is automatically aimed and fired at targets that are detected by sensors. The earliest functioning military sentry guns were the close-in weapon systems point-defense weapons, such as the Phalanx CIWS, used for detecting and destroying short range incoming missiles and enemy aircraft, first used exclusively on naval ...
According to Diamond Comic Distributors, Sentry #1 was the 63rd best selling comic book in June 2018. [106] [107] [108] Joshua Davison of Bleeding Cool wrote, "Sentry #1 is another excellent self-conscious superhero title from Jeff Lemire, and it does so without going fully meta, which is an overused tactic in modern comics. The story is ...