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. 17, 2006
Filed:
Apr. 29, 2002
Richard Altwasser, Oxon, GB;
Richard Altwasser, Oxon, GB;
Checkpoint Systems International GmbH, Hirschhorn/Neckar, DE;
Abstract
A radio frequency security element is provided for electronic surveillance of articles of merchandise. The security element comprises a lower strip conductor () and an upper strip conductor (), which are wound in opposite directions. The upper and lower strip conductors and superimposed and connected in a common contact zone. The coil turns of the two conductor strips each have an included angle of rotation less than 2π. The security element has an improved detection rate and is particularly stable against changes in the resonance frequency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile