Title:
チューナブルフィルタおよびその作製方法
Document Type and Number:
Japanese Patent JP4731515
Kind Code:
B2
Abstract:
The tunable filter includes two or more adjacent resonators, and a variable capacitive coupler formed on the same substrate where the resonators are formed provided between the resonators. The tunable filter is appropriate for integration which can efficiently change a coupling capacitance between the resonators using a simple structure.
Inventors:
Ishii Masatoshi
Kazunori Yamanaka
John Beneki
Akihiko Akasegawa
Kazunori Yamanaka
John Beneki
Akihiko Akasegawa
Application Number:
JP2007089168A
Publication Date:
July 27, 2011
Filing Date:
March 29, 2007
Export Citation:
Assignee:
富士通株式会社
International Classes:
H01P1/203; H01G7/06; H01G15/00; H01P1/00; H01P11/00
Domestic Patent References:
| JP60094501A | ||||
| JP8070207A | ||||
| JP2004524770A | ||||
| JP10335903A | ||||
| JP7111407A | ||||
| JP2004297361A |
Attorney, Agent or Firm:
Tadahiko Ito