Electric power cord with digital multimeter
US7495431B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 17, 2006 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Nov 17, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R22/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electric power cord includes a first plug adapted for connecting to a power source, a second plug adapted for connecting to an electric device, an electric cable, at least one sensor arranged on the electric cable, an meter chip arranged on the electric cable, and a display module arranged on the electric cable. The electric cable electrically connects the first plug and second plug. The at least one sensor collects electric characteristic analog signals of the electric cable. The meter chip receives and converts the analog signals to digital signals. The display module receives the digital signals and displays measured electrical characteristics of the electric device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.