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:
Aug. 17, 1999
Filed:
Dec. 22, 1997
Applicant:
Inventors:
Matthias Gebhardt, Erlangen, DE;
Franz Boemmel, Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
324318 ;
Abstract
In a nuclear magnetic resonance tomography apparatus with ring coils for producing the basic magnetic field, effective portions of gradient coils are arranged on two radially spaced surfaces that lie symmetrical to the longitudinal axis of an examination chamber. The surfaces have in radial section, a curvature such that the distance between the two surfaces is greater in the center than at the edges.