Method of increasing location accuracy in an inertial navigational device
US6615136B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2002 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Feb 19, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/165
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of increasing location accuracy in an inertial navigational device (100) is described herein. The navigational device (100) generates real-time data to depict its location. The data comprises at least one of sensor data, motion data, and location data. The navigational device (100) transmits the real-time data to a second device (104) in a real-time fashion. The navigational device (100) receives an update message from the second device (104), based on a comparison of the real-time data generated by the navigational device (100) against a second set of data. The navigational device (100) adjusts its depicted location based on the update message in order to increase the location accuracy of the navigational, device (100). Alternatively, the navigational device (100), absent the second device (104), can compare the real-time data generated against the second set of data internally and adjust its depicted location accordingly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.