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:
Jul. 29, 2014
Filed:
Apr. 09, 2010
Thomas Grafendorfer, Meno Park, CA (US);
Paul David Calderon, Castro Valley, CA (US);
Fraser Robb, Aurora, OH (US);
James S. Tropp, Berkeley, CA (US);
Greig Cameron Scott, Palo Alto, CA (US);
Shreyas Vasanawala, Stanford, CA (US);
Thomas Grafendorfer, Meno Park, CA (US);
Paul David Calderon, Castro Valley, CA (US);
Fraser Robb, Aurora, OH (US);
James S. Tropp, Berkeley, CA (US);
Greig Cameron Scott, Palo Alto, CA (US);
Shreyas Vasanawala, Stanford, CA (US);
General Electric Company, Schenectady, NY (US);
Abstract
A system and method for generating preamplifier feedback in magnetic resonance imaging (MRI) systems are provided. A preamplifier arrangement for the MRI system includes a plurality of preamplifiers with each of the preamplifiers connected to a different channel of a multi-channel coil array of the MRI system. The preamplifier arrangement further includes a feedback network connected to each of the plurality of preamplifiers with each of the feedback networks configured to generate negative feedback at one or more oscillation frequencies.