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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 10096882 B1

PDFFull Text
Date of Patent:
Oct. 09, 2018

Filed:

Feb. 28, 2014

Duplexer

Applicant:

Nec Corporation, Tokyo, JP;

Inventor:

Yoji Murao, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:

Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.

Primary Examiner:

Sibin Chen

Int. Cl.
CPC ...
H03B 1/00 (2006.01); H01P 5/12 (2006.01); H01P 1/213 (2006.01); H01P 1/20 (2006.01); H01P 1/36 (2006.01); H01P 1/38 (2006.01); H03F 3/19 (2006.01); H03F 3/60 (2006.01); H04B 1/50 (2006.01);
U.S. Cl.
CPC ...
H01P 5/12 (2013.01); H01P 1/20 (2013.01); H01P 1/213 (2013.01); H01P 1/36 (2013.01); H01P 1/38 (2013.01); H03F 3/19 (2013.01); H03F 3/60 (2013.01); H04B 1/50 (2013.01);
Abstract

A duplexer according to the present invention includes a transmission-side terminal, a reception-side terminal, a common terminal, a transmission-side circuit unit, and a reception-side circuit unit. Here, the transmission-side circuit unit is connected between the transmission-side terminal and the common terminal. The reception-side circuit unit is connected between the common terminal and the reception-side terminal. The transmission-side circuit unit includes a first transmission-side filter, a second transmission-side filter, and a transmission-side directional propagation circuit. Here, the first transmission-side filter is provided in the subsequent stage of the transmission-side terminal. The second transmission-side filter is provided in a stage subsequent to the first transmission-side filter. The transmission-side directional propagation circuit is connected between the first transmission-side filter and the second transmission-side filter. The reception-side circuit unit includes a first reception-side filter, a second reception-side filter, and a reception-side directional propagation circuit. Here, the first reception-side filter is provided in the subsequent stage of the common terminal. The second reception-side filter is provided in a stage subsequent to the first reception-side filter. The reception-side directional propagation circuit is connected between the first reception-side filter and the second reception-side filter.

Find Patent Forward Citations

Murao, Yoji. (2018). Duplexer (U.S. Patent No. 10096882). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10096882

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

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