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:
Dec. 12, 2006

Filed:

Aug. 13, 2004
Applicant:

Shuji Yamato, Omihachiman, JP;

Inventor:

Shuji Yamato, Omihachiman, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/26 (2006.01); H04B 1/28 (2006.01); H04B 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A demultiplexer includes an antenna terminal, a reception filter connected to the antenna terminal, a transmission filter connected in parallel to the reception filter with respect to the antenna terminal and having a pass band center frequency that is different from the reception filter, a common inductance component connected between the ground terminal of the transmission filter and the ground terminal of the reception filter, and inductance components, which are different from the common inductance component, provided between the common inductance component and the reception filter and between the common inductance component and the transmission filter.


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