BR9900051A - Filtro dielétrico duplexador - Google Patents

Filtro dielétrico duplexador

Info

Publication number
BR9900051A
BR9900051A BR9900051-2A BR9900051A BR9900051A BR 9900051 A BR9900051 A BR 9900051A BR 9900051 A BR9900051 A BR 9900051A BR 9900051 A BR9900051 A BR 9900051A
Authority
BR
Brazil
Prior art keywords
resonators
resonant
duplexing
filtering area
dielectric filter
Prior art date
Application number
BR9900051-2A
Other languages
English (en)
Portuguese (pt)
Inventor
Chul Ho Kim
Jin Duk Kim
Sang Jun Park
Original Assignee
Samsung Electro Mech
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
Priority claimed from KR1019980027437A external-priority patent/KR100262498B1/ko
Priority claimed from KR1019980033567A external-priority patent/KR100262499B1/ko
Application filed by Samsung Electro Mech filed Critical Samsung Electro Mech
Publication of BR9900051A publication Critical patent/BR9900051A/pt

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
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
    • 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)
BR9900051-2A 1998-07-08 1999-01-13 Filtro dielétrico duplexador BR9900051A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019980027437A KR100262498B1 (ko) 1998-07-08 1998-07-08 일체형유전체필터
KR1019980033567A KR100262499B1 (ko) 1998-08-19 1998-08-19 일체형듀플렉서유전체필터
US10637298P 1998-10-30 1998-10-30

Publications (1)

Publication Number Publication Date
BR9900051A true BR9900051A (pt) 2000-09-05

Family

ID=27349779

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9900051-2A BR9900051A (pt) 1998-07-08 1999-01-13 Filtro dielétrico duplexador

Country Status (8)

Country Link
JP (1) JP2000049507A ( )
AT (1) AT411119B ( )
BR (1) BR9900051A ( )
DE (1) DE19859207A1 ( )
FR (1) FR2781085A1 ( )
GB (1) GB2339341B ( )
SE (1) SE9804353L ( )
TW (1) TW472444B ( )

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9900034D0 (en) * 1999-01-04 1999-02-24 Marconi Electronic Syst Ltd Structure with magnetic properties
US6404306B1 (en) * 2000-03-17 2002-06-11 Ube Electronics, Ltd. Dielectric ceramic filter with improved electrical characteristics in high side of filter passband
US11862835B2 (en) 2020-08-13 2024-01-02 Cyntec Co., Ltd. Dielectric filter with multilayer resonator
CN115189109A (zh) * 2022-06-22 2022-10-14 厦门松元电子股份有限公司 结构混合型陶瓷介质带通滤波器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740765A (en) * 1985-09-30 1988-04-26 Murata Manufacturing Co., Ltd. Dielectric filter
US4823098A (en) * 1988-06-14 1989-04-18 Motorola, Inc. Monolithic ceramic filter with bandstop function
JPH0275203A (ja) * 1988-09-09 1990-03-14 Toko Inc 誘電体フィルタとその結合度調整方法
US5230093A (en) * 1991-05-03 1993-07-20 Rich Randall W Transmitter filter with integral directional coupler for cellular telephones
US5488335A (en) * 1992-01-21 1996-01-30 Motorola, Inc. Multi-passband dielectric filter construction having a filter portion including at least a pair of dissimilarly-sized resonators
WO1993024968A1 (en) * 1992-05-26 1993-12-09 Motorola, Inc. Multi-passband, dielectric filter construction
JPH07336108A (ja) * 1994-06-03 1995-12-22 Murata Mfg Co Ltd 誘電体フィルタ
JPH08228103A (ja) * 1995-02-21 1996-09-03 Murata Mfg Co Ltd 誘電体フィルタ
JPH09107206A (ja) * 1995-08-04 1997-04-22 Ngk Spark Plug Co Ltd 誘電体フィルタ及びその結合容量調整方法
JPH09312506A (ja) * 1996-05-23 1997-12-02 Ngk Spark Plug Co Ltd 誘電体フィルタ

Also Published As

Publication number Publication date
SE9804353L (sv) 2000-01-09
GB2339341B (en) 2003-07-09
FR2781085A1 (fr) 2000-01-14
GB2339341A (en) 2000-01-19
ATA209998A (de) 2003-02-15
DE19859207A1 (de) 2000-01-27
TW472444B (en) 2002-01-11
JP2000049507A (ja) 2000-02-18
GB9827959D0 (en) 1999-02-10
AT411119B (de) 2003-09-25
SE9804353D0 (sv) 1998-12-16

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Legal Events

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B08F Application fees: dismissal - article 86 of industrial property law

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B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

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