The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 1998
Filed:
Sep. 19, 1996
Applicant:
Inventors:
Assignee:
Siemens Akteingesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
324320 ; 324319 ;
Abstract
Two MR magnetic field probes arranged in a centrally symmetrical fashion in relation to the magnetic field center, are attached in the examination area of the magnet. The output signals of the two MR magnetic field probes are supplied to a multiplying RF mixer, and a sum frequency signal is obtained from the output signal of the RF mixer, and the actual value of the basic field is determined from the frequency of this output signal.