GB2302453B - Dielectric filter - Google Patents

Dielectric filter

Info

Publication number
GB2302453B
GB2302453B GB9612765A GB9612765A GB2302453B GB 2302453 B GB2302453 B GB 2302453B GB 9612765 A GB9612765 A GB 9612765A GB 9612765 A GB9612765 A GB 9612765A GB 2302453 B GB2302453 B GB 2302453B
Authority
GB
United Kingdom
Prior art keywords
dielectric filter
dielectric
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB9612765A
Other versions
GB2302453A (en
GB9612765D0 (en
Inventor
Masayuki Atokawa
Yasuo Yamada
Haruo Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB9612765D0 publication Critical patent/GB9612765D0/en
Publication of GB2302453A publication Critical patent/GB2302453A/en
Application granted granted Critical
Publication of GB2302453B publication Critical patent/GB2302453B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB9612765A 1995-06-20 1996-06-19 Dielectric filter Expired - Lifetime GB2302453B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7153317A JP3050090B2 (en) 1995-06-20 1995-06-20 Dielectric filter

Publications (3)

Publication Number Publication Date
GB9612765D0 GB9612765D0 (en) 1996-08-21
GB2302453A GB2302453A (en) 1997-01-15
GB2302453B true GB2302453B (en) 1999-08-18

Family

ID=15559857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9612765A Expired - Lifetime GB2302453B (en) 1995-06-20 1996-06-19 Dielectric filter

Country Status (3)

Country Link
JP (1) JP3050090B2 (en)
DE (1) DE19624691C2 (en)
GB (1) GB2302453B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102430B (en) * 1996-09-11 1998-11-30 Filtronic Lk Oy Filtering device with impedance stage resonators
JP3823409B2 (en) * 1997-01-17 2006-09-20 松下電器産業株式会社 Multilayer filter
JP3329278B2 (en) * 1998-08-11 2002-09-30 株式会社村田製作所 Variable frequency filter, duplexer and communication device
KR100313717B1 (en) * 1999-09-13 2001-11-15 최춘권 Band Pass Filter of Dielectric Resonator Type Having Symmetrically Upper and Lower Notch Points
JP4634912B2 (en) * 2005-11-08 2011-02-16 株式会社エヌ・ティ・ティ・ドコモ Variable resonator
US9941563B2 (en) 2014-09-30 2018-04-10 Skyworks Solutions, Inc. Ceramic filter using stepped impedance resonators having an inner cavity with at least one step and taper

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0654912A1 (en) * 1993-11-24 1995-05-24 Murata Manufacturing Co., Ltd. Dielectric filter
EP0664572A1 (en) * 1994-01-25 1995-07-26 Murata Manufacturing Co., Ltd. Dielectric filter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5895403A (en) * 1981-12-01 1983-06-07 Matsushita Electric Ind Co Ltd Coaxial dielectric resonator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0654912A1 (en) * 1993-11-24 1995-05-24 Murata Manufacturing Co., Ltd. Dielectric filter
EP0664572A1 (en) * 1994-01-25 1995-07-26 Murata Manufacturing Co., Ltd. Dielectric filter

Also Published As

Publication number Publication date
DE19624691C2 (en) 1999-02-18
DE19624691A1 (en) 1997-01-09
JP3050090B2 (en) 2000-06-05
GB2302453A (en) 1997-01-15
JPH098505A (en) 1997-01-10
GB9612765D0 (en) 1996-08-21

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160618