Electronic marker devices and systems
US9746572B2 · kind B2 · utility
17Cited by
25References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2014 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | May 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V15/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Integrated buried utility locator systems, including a locator including a marker device excitation transmitter a buried utility locator along with one or more marker devices, are disclosed. In operation a marker device excitation signal is sent from the locator at least partially simultaneously to receiving and processing a buried utility signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.