×

Virtual keypad for touchscreen display

  • US 7,515,135 B2
  • Filed: 06/15/2004
  • Issued: 04/07/2009
  • Est. Priority Date: 06/15/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method for changing a transparency level of a virtual keypad overlay on a display, comprising the steps of:

  • activating a pointing device;

    dragging the pointing device for a predetermined distance greater than a minimum predetermined threshold; and

    changing the transparency level of the virtual keypad overlay on the display by a predetermined amount in response to dragging said pointing device for said distance.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×