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1 definition found
 for Duplex watch
From The Collaborative International Dictionary of English v.0.48 :

  Duplex \Du"plex\, a. [L., fr. duo two + plicare to fold. See
     Two, and Complex.]
     1. Double; twofold.
        [1913 Webster]
  
     2. (Computers) organized so that data may be transmitted in
        two opposite directions over the same channel; -- of
        communications channels, such as data transfer lines
        between computers.
        [PJC]
  
     Duplex escapement, a peculiar kind of watch escapement, in
        which the scape-wheel has two sets of teeth. See
        Escapement.
  
     Duplex lathe, one for turning off, screwing, and surfacing,
        by means of two cutting tools, on opposite sides of the
        piece operated upon.
  
     Duplex pumping engine, a steam pump in which two steam
        cylinders are placed side by side, one operating the
        valves of the other.
  
     Duplex querela [L., double complaint] (Eccl. Law), a
        complaint in the nature of an appeal from the ordinary to
        his immediate superior, as from a bishop to an archbishop.
        --Mozley & W.
  
     Duplex telegraphy, a system of telegraphy for sending two
        messages over the same wire simultaneously.
  
     Duplex watch, one with a duplex escapement.
  
     half duplex (Computers)
        (a) arranged so that the information may be transmitted in
            both directions, but only in one direction at a time;
            -- of communications channels between computers;
            contrasted with full duplex(a).
        (b) arranged so that the information transmitted to the
            remote computer also appears on the local terminal; --
            of communications channels between computers;
            contrasted with full duplex(b).
  
     full duplex, (Computers)
        (a) arranged so that the information may be transmitted in
            both directions simultaneously; -- of communications
            channels between computers; contrasted with half
            duplex(a).
        (b) arranged so that the information transmitted to the
            remote computer does not appear on the local terminal;
            -- of communications channels between computers;
            contrasted with half duplex(b).
            [1913 Webster]

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