Patent · US Expired

Surface electrical coil structures

US5143688A · kind A · utility

12Cited by
17References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 2, 1991
Grant dateSep 1, 1992
Priority date
Expiry dateJul 2, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R33/343
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A surface electrical coil structure for use as a signal receiver and/or transmitter with the desired magnetic field characteristics and which comprises a plurality of small coils positioned over or around a specified volume each coil being singly or severally electrically connected such that the flow of electrical current within each coil produces the desired signal response or magnetic field.

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