Patent · US Expired

Pictorial symbol switch

US5332877A · kind A · utility

4Cited by
13References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1993
Grant dateJul 26, 1994
Priority date
Expiry dateDec 3, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2217/04
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A pictorial symbol switch which is effective to minimize a panel and to prevent an operation in error thereof. The pictorial symbol switch comprises first and second switch units having first and second pictorial symbols indicated on surfaces thereof, respectively, and visually representing first and second events, respectively, which relate to each other and are each to take place when the first or second switch unit is depressed. Thus, an operating section and a display section are provided in an integral relationship with each other for each of the switch units of the pictorial symbol switch.

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