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Mobile arithmetic unit and extension device for industrial machine control

  • US 20050141681A1
  • Filed: 04/01/2003
  • Published: 06/30/2005
  • Est. Priority Date: 04/12/2002
  • Status: Abandoned Application
First Claim
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1. A mobile electronic computer unit (1) adapted to be held in one hand, particularly of the type of a so-called personal data assistant (PDA) or handheld computer, comprising a software-controlled processor unit (3);

  • at least one storage device (4) connected to said processor unit for storing software modules and/or data to be processed;

    at least one display device (8) for the visually detectable output of information; and

    at least one input device (10) for at least influencing the operational functions of the computer unit (1) and/or for inputting data, whereby the display and input device (8, 10) preferably of the type of a screen sensitive to touch, for example in the form of a touch screen (12), are structurally superposing one another or are functionally combined; and

    with at least one interface (6;

    7) of the standard type formed on the housing (2) of the computer unit (1), said interface being adapted to communicate with peripheral electronic or electric devices such as, for example a personal computer, wherein said standard-type interface (6;

    7) and an independently designed interface are provided for being connected with at least one safety switch element (13) of the type of an emergency OFF-switch (14) and/or an approval key (15).

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