Patent · US Active

Operating device for an electrical appliance and control panel

US7943878B2 · kind B2 · utility

4Cited by
7References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 20, 2010
Grant dateMay 17, 2011
Priority date
Expiry dateJan 20, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2003/085
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An operating device for an electrical appliance with a control panel has a control element for operation through rotary actuation arranged in the control panel, said control element being disposed and mounted in a receptacle behind the control panel. The receptacle has light-conducting and/or light transmitting material in the manner of a light guide, and is illuminated through an LED at a posterior end facing away from the control panel and with light apertures provided at another anterior end on the control panel around the control element extending forwardly beyond the control panel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.