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:
Jun. 22, 1993
Filed:
Sep. 23, 1991
Applicant:
Inventors:
Guenther Decke, Hemhofen, DE;
Hermann Requardt, Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
324318 ; 324322 ; 1286535 ;
Abstract
A double surface coil for a nuclear magnetic resonance apparatus as two individual coils, each individual coils being formed by two sub-coils connected in parallel. A series circuit of a capacitor and an inductor is connected in each sub-coil, with a series circuit of a capacitor and a controllable switch being connected in parallel with each inductor. By appropriate drive of switches, both individual coils, one individual coil by itself, or both individual coils in alternating operation can be activated.