Layered current sensor
US6677850B2 · kind B2 · utility
10Cited by
20References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 2000 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Dec 22, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R21/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electrical current sensor and utility electricity meter, the current sensor comprising a &pgr; resistor shunt configuration, wherein the resistors comprise layered conductors at substantially equal temperatures to provide a zero temperature coefficient sensor. A fiscal electricity meter is described together with a four-layered current sensor fabricated using PCB techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.