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:
Jun. 30, 2009

Filed:

May. 21, 2007
Applicants:

Shogo Inoue, Kawasaki, JP;

Takashi Matsuda, Kawasaki, JP;

Seiichi Mitobe, Yokohama, JP;

Inventors:

Shogo Inoue, Kawasaki, JP;

Takashi Matsuda, Kawasaki, JP;

Seiichi Mitobe, Yokohama, JP;

Assignees:

Fujitsu Media Devices Limited, Yokohama, JP;

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/42 (2006.01); H03H 7/18 (2006.01); H03H 9/205 (2006.01);
U.S. Cl.
CPC ...
Abstract

A balanced filter includes: a filter that has at least one unbalanced signal terminal; a balun that is a lumped parameter balun that inputs or outputs signals with different phases generated based on a signal input or output from the unbalanced signal terminal of the filter, the balun being formed with an integrated passive device; and a mounting unit in which the filter and the balun are flip-chip mounted.


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Inoue, Shogo. (2009). Balanced filter and duplexer (U.S. Patent No. 7554419). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7554419

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