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  2. 819 line - Wikipedia

    en.wikipedia.org/wiki/819_line

    Some 819-line TV sets were available, like the Grammont 504-A-31 from 1951 [7] and the Philips 14TX100 multi-standard 625/819-line TV from 1952. [ 8 ] [ 9 ] The system was also adopted (with limited bandwidth, affecting image resolution) in 1953 in Belgium [ 1 ] [ 4 ] by RTB and in 1955 in Luxembourg by Télé-Luxembourg .

  3. Television transmitter - Wikipedia

    en.wikipedia.org/wiki/Television_transmitter

    A television transmitter is a transmitter that is used for terrestrial (over-the-air) television broadcasting.It is an electronic device that radiates radio waves that carry a video signal representing moving images, along with a synchronized audio channel, which is received by television receivers ('televisions' or 'TVs') belonging to a public audience, which display the image on a screen.

  4. Intercarrier method - Wikipedia

    en.wikipedia.org/wiki/Intercarrier_method

    In TV transmitters, both AF and VF modulate intermediate frequency (IF) carriers. (The frequency difference between the two carriers is 4.5 MHz in System M and 5.5 MHz in System B/G ) Then the modulated IF signals are added either at the output of the vision modulator or at the output of the vestigial sideband stage.

  5. Outline of television broadcasting - Wikipedia

    en.wikipedia.org/wiki/Outline_of_television...

    TVRadioWorld TV stations directory; W9WI.com (Terrestrial repeater and TV hobbyist information) TV Coverage maps and Signal Analysis; A History of Television at the Canada Science and Technology Museum; The Encyclopedia of Television at the Museum of Broadcast Communications; The Evolution of TV, A Brief History of TV Technology in Japan NHK

  6. 567-line television system - Wikipedia

    en.wikipedia.org/wiki/567-line_television_system

    The 567-line television system was an experimental late 1940s [1] [2] [3] proposal by Philips of the Netherlands for a European television system, with some test transmissions being made from Eindhoven.

  7. CCIR System M - Wikipedia

    en.wikipedia.org/wiki/CCIR_System_M

    Analog TV systems global map, with System M in red. CCIR System M, [1] [2] [3] sometimes called 525–line, NTSC, NTSC-M, or CCIR-M, [4] [5] is the analog broadcast television system approved by the FCC (upon recommendation by the National Television System Committee - NTSC) [6] for use in the United States since July 1, 1941, [7] [8] replacing the 441-line TV system introduced in 1938. [8]

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  9. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process.

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