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. 12, 2025
Filed:
Feb. 06, 2020
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Yosuke Takeuchi, Tokyo, JP;
Hisatoshi Kasahara, Tokyo, JP;
Yosuke Okamura, Tokyo, JP;
Junichiro Tamamatsu, Tokyo, JP;
Tomoki Murakami, Tokyo, JP;
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/145 (2006.01);
U.S. Cl.
CPC ...
H04B 7/145 (2013.01);
Abstract
A passive relay device () relays radio communication between the inside of a radio wave shielding structure () and the outside of the radio wave shielding the structure (), and the device includes an internal antenna () which connects with the inside, an external antenna () which connects with the outside, and a connection part () which connects the internal antenna () and the external antenna ().