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:
Apr. 06, 2021
Filed:
Jun. 14, 2017
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Ronald D. Jesme, Plymouth, MN (US);
Nicholas T. Gabriel, Woodbury, MN (US);
Andrew P. Bonifas, Edmonton, CA;
Zohaib Hameed, Woodbury, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01); G06K 19/077 (2006.01); H04B 5/00 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/38 (2013.01); G06K 19/07749 (2013.01); H04B 5/0081 (2013.01); H04B 5/0031 (2013.01);
Abstract
A shielded antenna () includes a spiral antenna () and a shield () disposed on the spiral antenna. The spiral antenna comprises a plurality of substantially concentric loops. The shield comprises a plurality of electrically isolated electrically conductive segments forming a regular pattern, such that in a top plan view, at least one segment overlaps a portion of at least two loops, and at least one pair of adjacent conductive segments defines an electrically insulative gap therebetween.