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Alerting system

  • US 20050174216A1
  • Filed: 04/25/2003
  • Published: 08/11/2005
  • Est. Priority Date: 04/29/2002
  • Status: Active Grant
First Claim
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1. An alerting system for use in generating an alert in respect of usage of a device, the alerting system including a detector capable of detecting an event that is indicative of usage of the device, the alerting system being arranged to invoke a selected alert state prior to the activation of a forthcoming said event by a user, the alert state being selectable from a plurality of different alert states, wherein each of the different alert states represents a different stage of elapsed time since a previous said event, and wherein the alerting system is arranged to select an alert state in dependence on the elapsed time characterized in that at least one alert state comprises a plurality of sub-regions, each sub-region representing a proportion of elapsed time within the stage to which the alert state corresponds.

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