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. 14, 2009
Filed:
May. 19, 2008
Applicants:
Thomas Chmielewski, Stow, OH (US);
Brian J. Cohen, Stow, OH (US);
Inventors:
Thomas Chmielewski, Stow, OH (US);
Brian J. Cohen, Stow, OH (US);
Assignee:
Hitachi Medical Systems America, Inc., Twinsburg, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An MRI system includes a receive coil having a coil element. Two preamplifiers are used in relation to the coil element, thus placing a large impedance in series with the coil element. The optimal noise impedance of each preamplifier is matched to that of the other preamplifier.