Compass orientation compensation
US7020971B1 · kind B1 · utility
4Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2004 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Sep 16, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C17/38
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A compass system comprises an electronic compass capable of providing a raw compass reading, at least one adjustment factor relating to a position of the electronic compass, and a compensation device selectively providing a compensated compass reading based on the raw compass reading and the adjustment factor. Further, at least one adjustment factor relating to the position of the electronic compass is defined and may be stored in a memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.