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.:

US 8991716 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 31, 2015

Filed:

Jan. 17, 2014
Applicant:

Fujikura Ltd., Koto-ku, Tokyo, JP;

Inventor:

Masato Takigahira, Sakura, JP;

Assignee:

Fujikura Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/00 (2006.01); G06K 19/077 (2006.01); G06K 19/07 (2006.01); H01Q 13/10 (2006.01); H01Q 1/22 (2006.01); H01Q 1/38 (2006.01); H01Q 9/42 (2006.01);
U.S. Cl.
CPC ...
G06K 19/07773 (2013.01); G06K 19/07 (2013.01); G06K 19/077 (2013.01); H01Q 13/10 (2013.01); H01Q 1/2225 (2013.01); H01Q 1/38 (2013.01); H01Q 9/42 (2013.01);
Abstract

A notch antenna () in accordance with the present invention includes: a conductor plate () divided into an inner region () and an outer region () by a notch (); and a shortening capacitor () that bridges the inner region () and the outer region (). This makes it possible to reduce the total length of the notch () to less than λ/4 where λ is a resonant wavelength of the notch antenna ().


Find Patent Forward Citations

Takigahira, Masato. (2015). Antenna and wireless tag (U.S. Patent No. 8991716). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8991716

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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