EP0442418A3 - Dielectric filter having coupling amount adjusting patterns - Google Patents

Dielectric filter having coupling amount adjusting patterns Download PDF

Info

Publication number
EP0442418A3
EP0442418A3 EP19910101871 EP91101871A EP0442418A3 EP 0442418 A3 EP0442418 A3 EP 0442418A3 EP 19910101871 EP19910101871 EP 19910101871 EP 91101871 A EP91101871 A EP 91101871A EP 0442418 A3 EP0442418 A3 EP 0442418A3
Authority
EP
European Patent Office
Prior art keywords
amount adjusting
dielectric filter
coupling amount
adjusting patterns
patterns
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.)
Withdrawn
Application number
EP19910101871
Other languages
English (en)
Other versions
EP0442418A2 (de
Inventor
Tomokazu C/O Oki Electric Ind. Co. Ltd. Komazaki
Katsuhiko C/O Oki Electric Ind. Co. Ltd. Gunji
Norio C/O Oki Electric Ind. Co. Ltd. Onishi
Osamu C/O Oki Electric Ind. Co. Ltd. Yamato
Akira C/O Oki Business Co. Ltd. Mashimo
Kouichi C/O Oki Business Co. Ltd. Ichikawa
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of EP0442418A2 publication Critical patent/EP0442418A2/de
Publication of EP0442418A3 publication Critical patent/EP0442418A3/en
Withdrawn legal-status Critical Current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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
EP19910101871 1990-02-14 1991-02-11 Dielectric filter having coupling amount adjusting patterns Withdrawn EP0442418A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31575/90 1990-02-14
JP2031575A JPH03236603A (ja) 1990-02-14 1990-02-14 誘電体フィルタ

Publications (2)

Publication Number Publication Date
EP0442418A2 EP0442418A2 (de) 1991-08-21
EP0442418A3 true EP0442418A3 (en) 1992-09-16

Family

ID=12334977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910101871 Withdrawn EP0442418A3 (en) 1990-02-14 1991-02-11 Dielectric filter having coupling amount adjusting patterns

Country Status (4)

Country Link
EP (1) EP0442418A3 (de)
JP (1) JPH03236603A (de)
KR (1) KR920000173A (de)
CA (1) CA2036305A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552761B1 (de) * 1992-01-23 1999-07-07 Murata Manufacturing Co., Ltd. Dielektrisches Filter und Herstellungsverfahren dafür
JPH09312506A (ja) * 1996-05-23 1997-12-02 Ngk Spark Plug Co Ltd 誘電体フィルタ
DE69726407T2 (de) * 1997-05-13 2004-09-09 Hughes Electronics Corp., El Segundo Bandpassfilter mit gleichzeitiger Kopplung und Methode
SE9804354L (sv) * 1998-07-08 2000-01-09 Samsung Electro Mech Dielektriskt filter
TW409458B (en) 1998-11-03 2000-10-21 Samsung Electro Mech Dielectric filter
JP2000174503A (ja) * 1998-12-10 2000-06-23 Ngk Spark Plug Co Ltd 誘電体フィルタ及び該フィルタの周波数帯域幅の調整 方法
KR20220078202A (ko) * 2020-12-03 2022-06-10 삼성전기주식회사 커플링 부재를 포함하는 마이크로스트립 안테나 및 마이크로스트립 안테나 모듈
CN112952327A (zh) * 2021-03-11 2021-06-11 华中科技大学温州先进制造技术研究院 高带外抑制特性的六腔四零点陶瓷波导滤波器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823098A (en) * 1988-06-14 1989-04-18 Motorola, Inc. Monolithic ceramic filter with bandstop function
GB2210225A (en) * 1987-09-21 1989-06-01 Murata Manufacturing Co Dielectric filter of solid mold type
EP0347774A2 (de) * 1988-06-20 1989-12-27 Oki Electric Industry Company, Limited Isolierungsschaltung und darin verwendetes dielektrisches Filter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210225A (en) * 1987-09-21 1989-06-01 Murata Manufacturing Co Dielectric filter of solid mold type
US4823098A (en) * 1988-06-14 1989-04-18 Motorola, Inc. Monolithic ceramic filter with bandstop function
EP0347774A2 (de) * 1988-06-20 1989-12-27 Oki Electric Industry Company, Limited Isolierungsschaltung und darin verwendetes dielektrisches Filter

Also Published As

Publication number Publication date
EP0442418A2 (de) 1991-08-21
KR920000173A (ko) 1992-01-10
JPH03236603A (ja) 1991-10-22
CA2036305A1 (en) 1991-08-15

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