Method of triggering an event
US6259381A · kind A · utility
Inventor
Key dates
| Filing date | Jul 2, 1998 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | Jul 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.