Patent · US Expired

Methods and apparatus for imaging systems

US6960914B2 · kind B2 · utility

10Cited by
21References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 2003
Grant dateNov 1, 2005
Priority date
Expiry dateOct 22, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R33/389
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method of operating an imaging system having a main coil and a shield coil electromagnetically coupled to the main coil, wherein the method includes monitoring for an external environmental fluctuation of electromagnetism, and controlling current flow through the main and shield coils based upon the monitoring using a quench heater.

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