Device, system and method for monitoring a household electric appliance
US7423546B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 1, 2000 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Feb 1, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S20/242
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device is described, for monitoring a household electric user (COT, LB, AU), in particular a household appliance, presenting an electric load, where said monitoring device (AI) is connected between a source of electric energy (PDC) and said electric load, said monitoring device (AI) comprising measuring means (A) for detecting the quantity of electric power or current absorbed by said user (COT, AL, AU), characterized in that said monitoring device (AI) comprises control means (SC), which are programmed for: comparing the absorption of electric power ou current measured through said measuring means (A) with reference values of electric power or current, which are stored within said control means; generating, in function of said comparison, information which being representative of the present status or phase of operation of said electric user (COT, LB, AU); allowing said information to be read from outside said device (AI).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.