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Cursor for LCD displays

  • US 5,214,414 A
  • Filed: 04/12/1991
  • Issued: 05/25/1993
  • Est. Priority Date: 04/12/1991
  • Status: Expired due to Fees
First Claim
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1. A method for operating a display device that is coupled during use to a data processor, comprising the steps of:

  • receiving an input signal that directs a movement of a displayed image object from a first location to a second location;

    displaying the image object at the second location;

    determining if a directed rate of movement of the image object between the first location and the second location is less than a predetermined maximum rate of movement;

    if it is determined that the directed rate of movement of the image object between the first location and the second location is less than the predetermined maximum rate of movement, the method includes a step of terminating the display of the image object at the first location;

    else, if it is determined that the rate of movement of the image object between the first location and the second location is not less than the predetermined maximum rate of movement, the method includes the further steps of,displaying a representation of the image object at one or more intermediate locations between the first location and the second location for visually indicating a direction of movement of the image object between the first location and the second location;

    determining if one or more of the representations of the displayed image object, and also the image object that is displayed at the first location, have been displayed for a period of time that is equal to or greater than a predetermined maximum period of time; and

    if so, terminating the display of the image object that is displayed at the first location, and any representations thereof, that are determined to have been displayed for a period of time equal to or greater than the predetermined maximum period of time.

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