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. 23, 2014
Filed:
Sep. 23, 2011
Applicants:
Takaaki Tsushima, Chiba, JP;
Toshiyuki Takahashi, Tokyo, JP;
Toshihiko Takeda, Saitama, JP;
Zenkichi Mihara, Chiba, JP;
Inventors:
Takaaki Tsushima, Chiba, JP;
Toshiyuki Takahashi, Tokyo, JP;
Toshihiko Takeda, Saitama, JP;
Zenkichi Mihara, Chiba, JP;
Assignees:
Sony Corporation, Tokyo, JP;
Sony Mobile Communications Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q 5/22 (2006.01); G06K 19/07 (2006.01); H04B 5/00 (2006.01);
U.S. Cl.
CPC ...
G06K 19/0723 (2013.01); G06K 19/0726 (2013.01); H04B 5/0031 (2013.01); H04B 5/0081 (2013.01);
Abstract
An RFID module including an antenna element forming an RFID antenna; an RFID circuit block to which the antenna element is connected; and a first resonance frequency adjustment circuit having an element that includes a drain terminal connected to the antenna element, a gate terminal that is grounded, and a source terminal that is grounded, wherein a pull-up resistor is connected between the drain terminal and a power supply.