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Drawing apparatus

  • US 6,225,987 B1
  • Filed: 08/28/1997
  • Issued: 05/01/2001
  • Est. Priority Date: 09/11/1996
  • Status: Expired due to Fees
First Claim
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1. A drawing apparatus comprising:

  • operating device designed to be movable within predetermined space;

    detection device which detects a moving position of said operating device within said space;

    display device which displays an image according to a locus of said operating device based on a detection output of said detection device;

    driving device comprising three motors that generate rotational torques corresponding respectively to reaction forces in three axial directions for imparting said reaction forces to said operating device in motion; and

    noise generation device, wherein as said operating device is moved along an imaginary surface in said space, said image according to said locus of said operating device is displayed, said detection device detects a moving speed and/or acceleration corresponding to each position of said operating device in said space, and said driving device imparts the reaction forces according to a detection result from said detection device and a noise signal generated by said noise generation device, to said operating device.

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