Enhanced precise location
US8515690B2 · kind B2 · utility
4Cited by
8References
49Claims
0Family size
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Key dates
| Filing date | May 25, 2012 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | May 25, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/38
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A line locator includes a signal detector to detect signals from an underground line; an error modeler that models a phase error in the signal from neighboring underground lines; and an enhanced electromagnetic field modeler that provides a location of the underground line based on the signal and a result from the error modeler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.