Virtual pointing device for touchscreens

  • US 5,835,079 A
  • Filed: 06/13/1996
  • Issued: 11/10/1998
  • Est. Priority Date: 06/13/1996
  • Status: Expired due to Fees
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. A method for directing a computer system, having at least a processor, memory, and touchscreen, to create a virtual pointing device, comprising the steps of:

  • (a) detecting a hand placed on the touchscreen;

    (b) designating at least one area of the touchscreen under at least a portion of the hand as the virtual pointing device, wherein said at least a portion of the hand is in substantial contact with said at least one area;

    (c) in response to movement of the portion of the hand across the touchscreen while the portion of the hand remains in substantial contact with the touchscreen, moving the area in substantial accordance with the movement of the portion of the hand, wherein the virtual pointing device is moved in substantial accordance with the movement of the portion of the hand, and further wherein said portion of said hand remains in substantial contact with said at least one area during the movement of the portion of the hand, said at least one area and said virtual pointing device being only displayed on said touchscreen which is in contact with said portion of said hand;

    (d) positioning a pointer on the touchscreen, wherein said pointer is separate from said virtual pointing device and is disposed outside said at least one area, such that movement of the portion of the hand on the touchscreen in a first direction causes the pointer to move in the first direction; and

    (e) in response to activating the area by at least a second portion of the hand, executing at least one command on an object or text positioned substantially under the pointer.

View all claims