Nulled-signal utility locating devices, systems, and methods
US9684090B1 · kind B1 · utility
13Cited by
7References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2014 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Dec 22, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V2003/084
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Nulling utility locators including a transmitter element, a sensing element, and an electronic circuit for processing signals from the transmitting element to at least partially cancel each other and determine information associated with a buried utility are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.