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Display and input device

  • US 4,896,223 A
  • Filed: 03/18/1988
  • Issued: 01/23/1990
  • Est. Priority Date: 03/19/1987
  • Status: Expired due to Term
First Claim
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1. A display and input device incorporating a plurality of equipment having independent functions, comprising:

  • a memory including a memory portion defining the appearance of a plurality of operation modes;

    a display unit for displaying a picture image of ones of the plurality of operation modes according to said plurality of equipment having independent functions, said display unit having a plurality of display modes that vary according to input operations of said equipment and, when a display mode has been changed to a new display mode, the operation information inputted prior to the change in the display mode is simultaneously displayed by said display unit during the new display mode;

    an input unit having a plane surface and superimposed over the display unit, said input unit for generating electrical signals corresponding to x- and y- coordinates of any portion of said display unit which is touched, the surface input area portions corresponding to one of said picture images of an operation mode; and

    a controller for loading the control programs from an instruction listing stored in the memory, for setting said input areas of said input unit for various modes, for receiving said electrical signals of the input unit at the same time and for executing the various displays of said display unit.

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