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Patent Searching and Data


Title:
DIRECTIONAL COUPLER AND DIRECTIONAL COUPLER MODULE
Document Type and Number:
WIPO Patent Application WO/2019/208657
Kind Code:
A1
Abstract:
The directional coupler (1) is provided with: a main line (11); a sub-line (12); a first switch (21), a first end of which is directly connected to one end part (121) of the sub-line (12) and a second end of which is connected to a first signal path (13) extending to an isolation port (ISO) serving as a first port; and a second switch (22), a first end of which is directly connected to the other end part (122) of the sub-line (12) and a second end of which is connected to a second signal path (14) extending to a coupling port (CPL) serving as a second port.

Inventors:
TOKUDA, Daisuke (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
MURASE, Hisanori (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2019/017493
Publication Date:
October 31, 2019
Filing Date:
April 24, 2019
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H01P5/18; H04B1/00; H04B1/04
Foreign References:
US20160065167A12016-03-03
JPH08223021A1996-08-30
JP2013046305A2013-03-04
US20170373368A12017-12-28
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (6F Tanaka Ito Pia Shin-Osaka Bldg., 3-10, Nishi Nakajima 5-chome, Yodogawa-ku, Osaka-cit, Osaka 11, 〒5320011, JP)
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