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.

Date of Patent:
Oct. 28, 2014

Filed:

Oct. 18, 2012
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo, JP;

Inventors:

Takashi Yamane, Nagaokakyo, JP;

Katsuhiro Ikada, Nagaokakyo, JP;

Yasuhiko Hirano, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/46 (2006.01); H03H 9/72 (2006.01); H04B 1/48 (2006.01); H04B 1/50 (2006.01); H03H 9/05 (2006.01);
U.S. Cl.
CPC ...
H03H 7/463 (2013.01); H03H 9/725 (2013.01); H03H 9/0576 (2013.01);
Abstract

A circuit module includes a duplexer and a circuit substrate. A first signal path connects a first external electrode to a second external electrode. A second signal path connects a third external electrode to a fourth external electrode. A third signal path connects a fifth external electrode to a sixth external electrode. A first ground path connects a seventh external electrode to an eighth external electrode. A second ground path is connected to a ninth external electrode and is capacitively coupled to the second signal path.


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