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:
Dec. 08, 2015
Filed:
Apr. 29, 2011
Applicants:
Keisuke Sato, Miyagi, JP;
Sachio Saitoh, Miyagi, JP;
Inventors:
Keisuke Sato, Miyagi, JP;
Sachio Saitoh, Miyagi, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 38/14 (2006.01); G06K 19/077 (2006.01); H01Q 1/22 (2006.01); H01Q 23/00 (2006.01);
U.S. Cl.
CPC ...
G06K 19/07756 (2013.01); G06K 19/07771 (2013.01); H01Q 1/2208 (2013.01); H01Q 23/00 (2013.01);
Abstract
A contactless communication medium includes: a base material made of an insulating material; an antenna coil portion formed by winding a conductor in a plane on the base material; a capacitor connected to the antenna coil portion; a communication processing section connected to the antenna coil portion and the capacitor to perform a contactless communication process; and a metal pattern having a predetermined area and disposed in a region surrounded by the antenna coil portion, the metal pattern being not electrically connected to the antenna coil portion or the capacitor.