DE69206661T2 - Keramisches Filter - Google Patents

Keramisches Filter

Info

Publication number
DE69206661T2
DE69206661T2 DE1992606661 DE69206661T DE69206661T2 DE 69206661 T2 DE69206661 T2 DE 69206661T2 DE 1992606661 DE1992606661 DE 1992606661 DE 69206661 T DE69206661 T DE 69206661T DE 69206661 T2 DE69206661 T2 DE 69206661T2
Authority
DE
Germany
Prior art keywords
ceramic filter
ceramic
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 - Fee Related
Application number
DE1992606661
Other languages
English (en)
Other versions
DE69206661D1 (de
Inventor
Aimo Turunen
Pauli Naeppae
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.)
Powerwave Comtek Oy
Original Assignee
LK Products Oy
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 FI911796A external-priority patent/FI86673C/fi
Application filed by LK Products Oy filed Critical LK Products Oy
Application granted granted Critical
Publication of DE69206661D1 publication Critical patent/DE69206661D1/de
Publication of DE69206661T2 publication Critical patent/DE69206661T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01P1/213—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
DE1992606661 1991-04-12 1992-04-08 Keramisches Filter Expired - Fee Related DE69206661T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI911796A FI86673C (fi) 1991-04-12 1991-04-12 Keramiskt duplexfilter.
FI911797A FI87853C (fi) 1991-04-12 1991-04-12 Keramiskt spaerrfilter

Publications (2)

Publication Number Publication Date
DE69206661D1 DE69206661D1 (de) 1996-01-25
DE69206661T2 true DE69206661T2 (de) 1996-05-30

Family

ID=26158937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992606661 Expired - Fee Related DE69206661T2 (de) 1991-04-12 1992-04-08 Keramisches Filter

Country Status (7)

Country Link
EP (1) EP0508734B1 (de)
JP (1) JPH05102705A (de)
AU (1) AU1398292A (de)
CA (1) CA2065207A1 (de)
DE (1) DE69206661T2 (de)
DK (1) DK0508734T3 (de)
FI (1) FI87853C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3230353B2 (ja) * 1993-11-18 2001-11-19 株式会社村田製作所 アンテナ共用器
US6008707A (en) * 1993-11-18 1999-12-28 Murata Manufacturing Co., Ltd. Antenna duplexer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6152003A (ja) * 1984-08-21 1986-03-14 Murata Mfg Co Ltd 誘電体フイルタ
JPH0713284Y2 (ja) * 1987-09-21 1995-03-29 株式会社村田製作所 一体成形型誘電体フィルタの共振周波数調整構造
JPH01103001A (ja) * 1987-10-15 1989-04-20 Murata Mfg Co Ltd 誘電体フィルタ
US5103197A (en) * 1989-06-09 1992-04-07 Lk-Products Oy Ceramic band-pass filter

Also Published As

Publication number Publication date
AU1398292A (en) 1992-10-15
EP0508734A1 (de) 1992-10-14
CA2065207A1 (en) 1992-10-13
FI911797A0 (fi) 1991-04-12
FI87853C (fi) 1993-02-25
EP0508734B1 (de) 1995-12-13
FI87853B (fi) 1992-11-13
JPH05102705A (ja) 1993-04-23
DE69206661D1 (de) 1996-01-25
DK0508734T3 (da) 1996-01-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8327 Change in the person/name/address of the patent owner

Owner name: FILTRONIC LK OY., KEMPELE, FI