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  2. Pager - Wikipedia

    en.wikipedia.org/wiki/Pager

    Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]

  3. Al Gross (engineer) - Wikipedia

    en.wikipedia.org/wiki/Al_Gross_(engineer)

    Al Gross (engineer) Irving " Al " Gross ( / ɡroʊs /; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication. He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie, [1] Citizens' Band radio, [2] the telephone pager [2] and the cordless telephone. [3]

  4. Paper machine - Wikipedia

    en.wikipedia.org/wiki/Paper_machine

    A paper machine (or paper-making machine) is an industrial machine which is used in the pulp and paper industry to create paper in large quantities at high speed. Modern paper-making machines are based on the principles of the Fourdrinier Machine, which uses a moving woven mesh to create a continuous paper web by filtering out the fibres held ...

  5. Paper mill - Wikipedia

    en.wikipedia.org/wiki/Paper_mill

    A paper mill is a factory devoted to making paper from vegetable fibres such as wood pulp, old rags, and other ingredients. Prior to the invention and adoption of the Fourdrinier machine and other types of paper machine that use an endless belt, all paper in a paper mill was made by hand, one sheet at a time, by specialized laborers.

  6. Motorola Pageboy II - Wikipedia

    en.wikipedia.org/wiki/Motorola_Pageboy_II

    Motorola’s Pageboy II was launched in 1975 for the United States and 1976 for Europe in various types. Pb II 5-tone only 68–88 MHz / 146–174 MHz (US and Eur). Pb II tone only for 5-tone 80,6–88 MHz / 146–174 MHz (US). Pb II tone & voice radio for 2-tone signalling systems 68–88 MHz / 146–174 MHz (US). Pb II A04FNC Series radio ...

  7. BlackBerry Limited - Wikipedia

    en.wikipedia.org/wiki/BlackBerry_Limited

    BlackBerry Limited. BlackBerry Limited (formerly Research In Motion) is a Canadian software company specializing in cybersecurity. Founded in 1984, it developed the BlackBerry brand of interactive pagers, smartphones, and tablets. The company transitioned to providing software and services and holds critical software application patents.

  8. Motorola Pageboy - Wikipedia

    en.wikipedia.org/wiki/Motorola_Pageboy

    Motorola Pageboy, model H03BNC1102D0. Motorola Pageboy was the second pager ever produced by Motorola with individual-unit addressing, [clarification needed] after the less known 1955 (not 1956 as believed) Pager called "Handie-Talkie Radio Pocket Pager". [citation needed] The first pager-like system was used in 1921 by the Detroit Police ...

  9. Motorola DynaTAC - Wikipedia

    en.wikipedia.org/wiki/Motorola_DynaTAC

    Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007. The DynaTAC is a series of cellular telephones manufactured by Motorola from 1983 to 1994. The Motorola DynaTAC 8000X received approval from the U.S. FCC on September 21, 1983. [1]

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