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:
Feb. 06, 2007
Filed:
Mar. 04, 2002
Applicants:
Edgar Muller, Fribourg, CH;
Philipp Egger, Lausanne, CH;
Myron Seto, Lausanne, CH;
Inventors:
Assignee:
SICPA Holding S.A., Prilly, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 33/12 (2006.01); G01B 7/00 (2006.01); G01N 27/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention refers to a measurement probe for measuring magnetization data of at least one item (), specifically a security document comprising at least one magnetic security material (M), said measurement probe comprising at least one core free magnetizing coil () characterized in that at least two magnetic field sensors () are disposed at both ends inside said coil () at its both ends. The invention relates further to an authentication device comprising said measurement probe and to an authentication method carried out by means of said measurement probe and authentication device.