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:
Aug. 13, 1991
Filed:
May. 14, 1990
Applicant:
Inventor:
Tallienco W Fockens, Eibergen, NL;
Assignee:
N.V. Nederlandsche Apparatenfabriek Nedap, De Groenlo, NL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343866 ; 343789 ; 343769 ;
Abstract
A method of placing an electronic responder of an electromagnetic interrogation system or an antenna coil of an electromagnetic interrogator device in or near an electrically conductive article. An opening is made in the article, which is larger than the responder or antenna coil, and the responder or the antenna coil is mounted in registry with said opening. There is also provided a slit in the article, extending from the opening, said slit interrupting extraneous circular currents.