Method for measuring the mains frequency, and electrical appliance that implements said method
US8248057B2 · kind B2 · utility
0Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2008 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | May 15, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60W2510/244
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for measuring the mains frequency by a digital control system of an electrical appliance, in particular an electrical household appliance, in which the digital control system is prearranged for performing rigorous measurements of the value of the mains frequency and of its variations through an operation of calibration of the means for measurement of the mains frequency performed prior to marketing of the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.