Drill head for earth boring, drilling device for earth boring having the drill head, method to detect objects while earth boring, and use of direct digital synthesizer as a signal in detecting an obstacle in earth boring
US11242745B2 · kind B2 · utility
0Cited by
21References
14Claims
0Family size
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Key dates
| Filing date | Apr 25, 2018 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Aug 18, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill head for earth boring, in particular for a horizontal drilling device, includes a housing, a transmitter for generating a radio signal, an antenna and a receiver for receiving a reflected radio signal, wherein the transmitter which is adapted to generate the radio signal includes a direct digital synthesizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.