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Human interactive type display system

  • US 6,128,014 A
  • Filed: 07/10/1997
  • Issued: 10/03/2000
  • Est. Priority Date: 01/10/1997
  • Status: Expired due to Term
First Claim
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1. A human interactive type image display system comprising:

  • a display means having a display panel on which an image is displayed, said display panel having a predetermined operating region;

    a marking means for pointing to a point on said display panel; and

    a controlling means for detecting a marking operation of a user by said marking means for a point within said operating region in the display panel to produce an enable signal and coordinates of points on said display panel pointed to by said marking means successively from said point within the operating region to produce a position signal during a marking operation of the user, processing said enable signal and position signal to detect a direction and a distance of movement of said marking operation of the user and controlling the image displayed on said display panel in accordance with said detected direction and distance of the movement of the marking operation to perform a desired functionality in a human interactive manner, wherein said controlling means further includes;

    means for performing a scroll functionality, for scrolling an image displayed on said display panel; and

    means for detecting a velocity of movement of said marking means based on said coordinates of points on said display panel successively pointed to by said marking means and changing a coefficient of movement in accordance with said velocity to cause a distance over which the displayed image is scrolled to be in proportion to the detected velocity.

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