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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. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point-to-point, point-to-multipoint (P2MP), or ...
The term "closed-circuit television" indicates that the video feed is only accessible to a limited number of people or devices with authorized access. Cameras can be either analog or digital. [ 1 ] Walter Bruch was the inventor of the CCTV camera.
The introduction of closed-circuit television technology was a game-changer in terms of the dissemination of information and entertainment to a wider range of viewers. Tests began on November 27. The first feature film broadcast on pay television was the world premiere of Forever Female, starring Ginger Rogers and William Holden.
The Washington County Closed-Circuit Educational Television Project was the first closed-circuit television network in aiding elementary school teaching by the use of television. [1] The project took place in Washington County, Maryland , and started in September 1956.
Walter Bruch (2 March 1908 – 5 May 1990) was a German electrical engineer and pioneer of German television. He was the inventor of closed-circuit television. [1] He invented the PAL colour television system at Telefunken in the early 1960s. [2] In addition to his research activities Walter Bruch was an honorary lecturer at Technische ...
This is a list of all closed-circuit television and pay-per-view events held by World Championship Wrestling (WCW) and its predecessor Jim Crockett Promotions (JCP). From 1983 to 1987, these events aired live on closed-circuit television under the National Wrestling Alliance (NWA) banner. Beginning in 1987, the events would air live on pay-per ...
May 22 – An audience at Proctor's Theatre in Schenectady, New York becomes the first to see a closed-circuit television signal projected onto a big screen.; July 14 – For the first time in the United Kingdom, a television drama is broadcast.
The TK-40 was used for a color telecast of the opera Carmen on October 31, 1953, apparently on a closed-circuit system (monochrome images were apparently broadcast with the color burst removed). The first commercial telecast was of the Colgate Comedy Hour with Donald O'Connor on November 22, but the color burst may have again been removed.