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.:

US 8179131 B1

PDF
Full Text
Expired
Date of Patent:
May. 15, 2012

Filed:

Dec. 17, 2007
Applicants:

Bernhard Gleich, Hamburg, DE;

Juergen Weizenecker, Hamburg, DE;

Inventors:

Bernhard Gleich, Hamburg, DE;

Juergen Weizenecker, Hamburg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/72 (2006.01); G01R 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for influencing and/or detecting magnetic particles in a region of action includes generating a magnetic selection field having a pattern in space of its magnetic field strength such that a first sub-zone having a low magnetic field strength and a second sub-zone having a higher magnetic field strength are formed in the region of action. The method further includes changing the position in space of the two sub-zones in the region of action by means of a magnetic drive field so that the magnetization of the magnetic particles change locally, and acquiring signals that depend on the magnetization in the region of action. The magnetization is influenced by the change in the position in space of the first and second sub-zone. The magnetic drive vector of the magnetic drive field is rotated in at least one rotation plane.


Find Patent Forward Citations

Gleich, Bernhard. (2012). Method and arrangement for influencing and/or detecting magnetic particles in a region of action by rotating magnetic drive vector (U.S. Patent No. 8179131). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8179131

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