Two-wire adapter
US7919883B2 · kind B2 · utility
0Cited by
17References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2007 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Dec 5, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2203/5495
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A two-wire adapter circuit comprises a current shunt monitor and a circuit for sensing an abrupt change in the output of the current shunt monitor, a power supply, and a two-wire electrical conduit connecting the power supply to a load via the current shunt monitor, the circuit for sensing the abrupt change in the output of the current shunt monitor configured to output a defined digital signal on a third wire upon sensing the abrupt change.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.