Invention Grant
- Patent Title: Filter and duplexer
- Patent Title (中): 过滤器和双工器
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Application No.: US13909868Application Date: 2013-06-04
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Publication No.: US09148115B2Publication Date: 2015-09-29
- Inventor: Naoya Yabuuchi , Toshio Nishizawa , Hikaru Shimomura
- Applicant: TAIYO YUDEN CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: TAIYO YUDEN CO., LTD.
- Current Assignee: TAIYO YUDEN CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Chen Yoshimura LLP
- Priority: JP2012-132627 20120612
- Main IPC: H03H9/02
- IPC: H03H9/02 ; H03H9/72 ; H03H9/00 ; H03H9/70 ; H03H9/46
Abstract:
A filter includes: a filter circuit connected between a first terminal and a second terminal; and a matching circuit connected between the filter circuit and the second terminal, wherein an impedance viewed from the second terminal toward the matching circuit is less than an impedance viewed from a node between the filter circuit and the matching circuit toward the filter circuit.
Public/Granted literature
- US20130328639A1 FILTER AND DUPLEXER Public/Granted day:2013-12-12
Information query
