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:
Apr. 12, 1994
Filed:
Aug. 20, 1992
Jeroen Snelten, Eindhoven, NL;
U.S. Philips Corporation, New York, NY (US);
Abstract
Magnetic resonance apparatus includes an RF receiver coil system (13, 15) for detecting magnetic resonance signals generated in an object. This RF receiver coil system has a first (35) and a second receiver coil (37) which could be coupled to one another by mutual inductance. In order to compensate for the mutual inductance there is provided a decoupling network. This network has a first (49) and a second terminal (51) which are connected to a first end and a second end, respectively, of the first receiver coil (35), and also a third (53) and a fourth terminal (55) which are connected to a first end and a second end, respectively, of the second receiver coil (37). The decoupling network contains a first circuit (57) of variable impedance which interconnects the first and the third terminal (49, 53) and also a second circuit (59) of variable impedance which interconnects the second and the fourth terminal (51, 55). Each of the first and second circuits (57, 59) have at least one capacitor ( 63) and at least one coil (61), the value of the capacitor and/or the coil being variable so as to enable variation of the impedance of the circuits.