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  2. Smart doorbell - Wikipedia

    en.wikipedia.org/wiki/Smart_doorbell

    A smart doorbell is an internet-connected doorbell that notifies the home owner on his or her device (smartphone or any other gadget) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensors. The smart doorbell lets ...

  3. Doorbell - Wikipedia

    en.wikipedia.org/wiki/Doorbell

    Doorbell at the entrance of Chetham's Library, Manchester, England Sound of a two-tone mechanical doorbell. A doorbell is a signaling device typically placed near a door to a building's entrance. When a visitor presses a button, the bell rings inside the building, alerting the occupant to the presence of the visitor. Although the first ...

  4. Ofcom Code on Sports and Other Listed and Designated Events

    en.wikipedia.org/wiki/Ofcom_Code_on_Sports_and...

    The Ofcom Code on Sports and Other Listed & Designated Events is a series of regulations issued originally by the Independent Television Commission (ITC) then by Ofcom when the latter assumed most of the ITC's responsibilities in 2003, which is designed to protect the availability of coverage of major sporting occasions on free-to-air terrestrial television in the United Kingdom.

  5. Broadcasting of sports events - Wikipedia

    en.wikipedia.org/wiki/Broadcasting_of_sports_events

    A cameraman from the Olympic Broadcasting Services covering the men's 10 kilometre marathon swim at the 2012 Olympic Games in the Serpentine at Hyde Park. The broadcasting of sports events (also known as a sportscast) is the live coverage of sports as a television program, on radio, and other broadcasting media.

  6. Digital video recorder - Wikipedia

    en.wikipedia.org/wiki/Digital_video_recorder

    Detection causes an internal event that may be output to external equipment and/or be used to trigger changes in other internal features. Routing of input video to video monitors based on user inputs or automatically on alarms or events. Input, time and date stamping. Alarm and event logging on appropriate video inputs. Alarm and event search.

  7. Blackout (broadcasting) - Wikipedia

    en.wikipedia.org/wiki/Blackout_(broadcasting)

    The Canadian Football League's constitution does provide the option for teams to black out games in their home markets in order to encourage attendance; at one point, the CFL required games to be blacked out within a radius of 120 kilometres (75 miles) around the closest over-the-air signal carrying the game, or 56 kilometres (35 miles) of the stadium for cable broadcasts (and, for the ...

  8. Sports broadcasting contracts in the United States - Wikipedia

    en.wikipedia.org/wiki/Sports_broadcasting...

    Since the 1960s, all regular season and playoff games broadcast in the United States have been aired by national television networks. Until the broadcast contract ended in 2013, the terrestrial television networks CBS, NBC, and Fox, as well as cable television's ESPN, paid a combined total of US$20.4 billion [11] to broadcast NFL games.

  9. Sequence of events recorder - Wikipedia

    en.wikipedia.org/wiki/Sequence_of_events_recorder

    A sequence of events recorder (SER) [1] is an intelligent standalone microprocessor based system, which monitors external inputs and records the time and sequence of the changes. [2] [3] They usually have an external time source such as a GPS or radio clock. When wired inputs change state, the time and state of each change is recorded.