Patent · US Expired

Contactless switching element for electric current

US4177445A · kind A · utility

1Cited by
7References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 23, 1978
Grant dateDec 4, 1979
Priority date
Expiry dateFeb 23, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K17/94
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A contactless switch element for electric currents, which is constructed as a hydrogen-diffusion-impervious but electrically non-conductive, encapsulated metal adapted to be reversibly hydrogenated or dehydrogenated.

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