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:
Nov. 15, 2005
Filed:
Mar. 25, 2003
Applicant:
Patrick Le Roux, Palaiseau, FR;
Inventor:
Patrick Le Roux, Palaiseau, FR;
Assignee:
GE Medical Systems Global Technology Company LLC, Waukesha, WI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V003/00 ;
U.S. Cl.
CPC ...
Abstract
In the acquisition of NMR signals in FSE or fast spin echo type sequences the emission phase of the 180° refocusing pulse evolves quadratically. In order to prevent problems of oscillation of the output signal, the sequence is subjected to a preparation pulses. A history is provided for the common difference of the quadratic sequence of the phase variation with respect to the first seven refocusing pulses. This history leads to an immediate thermal equilibrium.