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Spatially associated personal reminder system and method

  • US 7,577,522 B2
  • Filed: 06/28/2006
  • Issued: 08/18/2009
  • Est. Priority Date: 12/05/2005
  • Status: Active Grant
First Claim
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1. A spatially associated personal reminder method, comprising:

  • receiving current locative sensor data, the locative sensor data identifying a physical location of a user'"'"'s portable computing device;

    accessing a reminder database containing a personal reminder, wherein each personal reminder comprises reminder content and a trigger area relationally associated with the personal reminder, the reminder content identifying one or more tasks the user intends to complete in the future;

    determining a current entry state of the user with respect to a trigger area that is relationally associated with a personal reminder by comparing the physical location identified within the current locative sensor data with a boundary of the trigger area;

    accessing a piece of historical data from a memory of the portable computing device, the historical data being used to determine a previous entry state of the user with respect to the trigger area at a just recently past moment in time;

    assessing whether a trigger event associated with the personal reminder has occurred based at least in part upon the current entry state and the previous entry state; and

    alerting a user to reminder content relationally associated with the trigger area when a trigger event is determined to have occurred, the alerting being performed via a display of the portable computing device.

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