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:
Jan. 09, 2001
Filed:
Jun. 11, 1999
Applicant:
Inventors:
Kurt Emmerich, Alzenau, DE;
Giselher Herzer, Bruchköbel, DE;
Assignee:
Vacuumschmelze Gmbh, Hanau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 1/324 ;
U.S. Cl.
CPC ...
G08B 1/324 ;
Abstract
A label for use in a magnetoelastic electronic article surveillance system has a strip of an amorphous alloy, forming a resonator having a resonant frequency, when activated by a magnetically semi-hard strip. The strip of amorphous alloy is fixed at one side to the magnetically semi-hard strip, and has a length of ¼ wavelength of the resonant frequency.