Patent · US Expired

Superconducting magnetic shield

US5187327A · kind A · utility

31Cited by
2References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 26, 1990
Grant dateFeb 16, 1993
Priority date
Expiry dateSep 26, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S505/845
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This invention provides a superconducting magnetic shield and a magnetic shielding apparatus including the same, thereby accurately measuring an extremely weak magnetic field such as magnetoencephalographic waves by reducing the influence of magnetic field of the earth or magnetic noises.

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