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Patent Searching and Data


Title:
FILTER MODULE
Document Type and Number:
WIPO Patent Application WO/2019/131868
Kind Code:
A1
Abstract:
This filter module (3) comprises: a filter (11) positioned on a path linking an input/output terminal (m1) and an input/output terminal (m2); a filter (12) positioned on a path linking an input/output terminal (m3) and an input/output terminal (m4), a switch (SW1) which switches between connecting/disconnecting ground to a line (L1) connected to the input/output terminal (m1); and a switch (SW2) which switches between connecting/disconnecting the ground to/from a line (L2) connected to the input/output terminal (m3). If the line (L1) and ground are connected by the switch (SW1), the line (L2) and the ground are disconnected by the switch (SW2); and if the line (L2) and the ground are connected by the switch (SW2), the line (L1) and the ground are disconnected by the switch (SW1).

Inventors:
YASUDA JUNPEI (JP)
Application Number:
PCT/JP2018/048119
Publication Date:
July 04, 2019
Filing Date:
December 27, 2018
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03H7/01; H03H7/46; H03H9/17; H03H9/54; H03H9/64; H03H9/70; H03H9/72; H04B1/00; H04B1/40
Foreign References:
JP2008533914A2008-08-21
JP2008118624A2008-05-22
JP2017204761A2017-11-16
JP2014154942A2014-08-25
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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