Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MULTIPLEXER
Document Type and Number:
WIPO Patent Application WO/2019/009271
Kind Code:
A1
Abstract:
A multiplexer (1) includes a plurality of elastic wave filters connected to a common connection terminal. In a transmission side filter (13) among the plurality of elastic wave filters, a series arm resonance unit (304) closest to the common connection terminal has a plurality of elastic wave resonators (304a to 304c) connected in series, and capacitive elements (304d and 304e) connected between a reference terminal and at least one of connection paths between the plurality of elastic wave resonators (304a to 304c).

Inventors:
TAKAMINE, Yuichi (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2018/025133
Publication Date:
January 10, 2019
Filing Date:
July 03, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H03H9/72; H03H9/64; H04B1/00; H04B1/04; H04B1/18
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)
Download PDF:



 
Previous Patent: STORAGE BATTERY UNIT

Next Patent: BEARING