Patent · US Expired

Method of triggering an event

US6259381A · kind A · utility

133Cited by
14References
24Claims
0Family size

Inventor

Key dates

Filing dateJul 2, 1998
Grant dateJul 10, 2001
Priority date
Expiry dateJul 2, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08G9/00
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A method and device for triggering an event in a roving apparatus is disclosed, whereby an event is triggered when the calculated position of the roving apparatus falls within a predetermined area and at least one other triggering criteria specified for the event is met, such that if the calculated position of the roving apparatus is at a position where predetermined areas overlap, events from any of the overlapping predetermined areas may be triggered in accordance with the triggering criteria of those areas.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.