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Patent Searching and Data


Title:
DIRECTIONAL COUPLER
Document Type and Number:
WIPO Patent Application WO/2019/189232
Kind Code:
A1
Abstract:
A directional coupler (2) comprises: a main line (11); an auxiliary line (12); a variable terminator (13) which is a variable impedance circuit that terminates one end of the auxiliary line (12); and a variable filter circuit (15) connected to the other end of the auxiliary line (12). The variable filter circuit (15) may include a filter, a bypass pathway, and a switch that is connected to at least one of the filter and the bypass pathway.

Inventors:
TOKUDA DAISUKE (JP)
KIN RYANSU (JP)
SHIGENO YASUSHI (JP)
SHIMIZU KATSUYA (JP)
Application Number:
JP2019/012956
Publication Date:
October 03, 2019
Filing Date:
March 26, 2019
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (Postcode6178555, JP)
International Classes:
H01P5/18
Domestic Patent References:
WO2016158314A12016-10-06
Foreign References:
JP2011135363A2011-07-07
JPH09107212A1997-04-22
US20170324392A12017-11-09
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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