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Patent Searching and Data


Title:
Variable capacitance device and antenna device
Document Type and Number:
Japanese Patent JP6301238
Kind Code:
B2
Abstract:
A variable capacitance device includes: a first and second terminal for signals; a plural, even number of variable capacitance elements connected in-series between the first and second terminal; a third and fourth terminal for receiving a same voltage; a fifth and sixth terminal for grounding; a plurality of first resistors connected to either the third or fourth terminal on one end; and a plurality of second resistors connected to either the fifth or sixth terminal on one end. With respect to a series of successive nodes beginning with the first terminal and ending with the second terminal, respective other ends of a pair of the first resistors are connected to every other node, and respective other ends of a pair of the second resistors are connected to the remaining every other node, such that the pairs of first and second resistors are alternately connected to the series of successive nodes.

Inventors:
Ikenaga Tomokazu
Daiki Ishii
Kentaro Morito
Application Number:
JP2014234298A
Publication Date:
March 28, 2018
Filing Date:
November 19, 2014
Export Citation:
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Assignee:
TAIYO YUDEN CO.,LTD.
International Classes:
H01G7/06; H01G4/33; H01Q1/50; H01Q7/00
Domestic Patent References:
JP2014103181A
JP2014116407A
Foreign References:
US20130328735
Attorney, Agent or Firm:
Kazuo Harada