Metal-theft detection device
US9947192B2 · kind B2 · utility
0Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2015 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Mar 27, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G2200/10
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A metal-theft detection device includes a first sensing terminal configured to be electrically coupled with an earth wire of a mains electricity circuit, a second sensing terminal configured to be electrically coupled with a neutral wire of the mains electricity circuit, a wireless communications module, and circuitry configured to measure a resistance of a conductive path connected between the first and second sensing terminals, and to cause the wireless communications module to transmit a wireless message based on the measured resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.