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:
Nov. 21, 2017
Filed:
Mar. 17, 2015
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventors:
Osamu Kawachi, Tokyo, JP;
Naoki Takahashi, Tokyo, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/70 (2006.01); H03H 9/72 (2006.01); H04B 1/50 (2006.01); H04J 1/12 (2006.01); H04L 5/14 (2006.01); H03H 9/02 (2006.01); H03H 9/60 (2006.01); H03H 9/64 (2006.01);
U.S. Cl.
CPC ...
H03H 9/725 (2013.01); H03H 9/02574 (2013.01); H03H 9/706 (2013.01); H04B 1/50 (2013.01); H04J 1/12 (2013.01); H04L 5/14 (2013.01); H03H 9/605 (2013.01); H03H 9/6483 (2013.01);
Abstract
A multiplexer includes: a first chip that has a first filter and a resonator, the first filter being connected between a common terminal and a first terminal, a first end of the resonator being connected to the common terminal not via the first filter; and a second chip that has a second filter, the second filter being connected between a second end of the resonator and a second terminal and having a pass band lower than that of the first filter, a resonance frequency of the resonator being higher than the pass band of the second filter.