CA2065207A1 - Filtre-bande en ceramique - Google Patents

Filtre-bande en ceramique

Info

Publication number
CA2065207A1
CA2065207A1 CA002065207A CA2065207A CA2065207A1 CA 2065207 A1 CA2065207 A1 CA 2065207A1 CA 002065207 A CA002065207 A CA 002065207A CA 2065207 A CA2065207 A CA 2065207A CA 2065207 A1 CA2065207 A1 CA 2065207A1
Authority
CA
Canada
Prior art keywords
resonators
band
stop filter
area
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.)
Abandoned
Application number
CA002065207A
Other languages
English (en)
Inventor
Aimo Turunen
Pauli Nappa
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.)
Individual
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
Publication of CA2065207A1 publication Critical patent/CA2065207A1/fr
Abandoned 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
CA002065207A 1991-04-12 1992-04-06 Filtre-bande en ceramique Abandoned CA2065207A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI911797A FI87853C (fi) 1991-04-12 1991-04-12 Keramiskt spaerrfilter
FI911,797 1991-04-12
FI911796A FI86673C (fi) 1991-04-12 1991-04-12 Keramiskt duplexfilter.

Publications (1)

Publication Number Publication Date
CA2065207A1 true CA2065207A1 (fr) 1992-10-13

Family

ID=26158937

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002065207A Abandoned CA2065207A1 (fr) 1991-04-12 1992-04-06 Filtre-bande en ceramique

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6008707A (en) * 1993-11-18 1999-12-28 Murata Manufacturing Co., Ltd. Antenna duplexer
JP3230353B2 (ja) * 1993-11-18 2001-11-19 株式会社村田製作所 アンテナ共用器
DE19903855B4 (de) 1999-02-01 2010-04-15 Epcos Ag Antennenweiche

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
FI87853C (fi) 1993-02-25
FI911797A0 (fi) 1991-04-12
JPH05102705A (ja) 1993-04-23
EP0508734A1 (fr) 1992-10-14
AU1398292A (en) 1992-10-15
DK0508734T3 (da) 1996-01-22
DE69206661T2 (de) 1996-05-30
DE69206661D1 (de) 1996-01-25
EP0508734B1 (fr) 1995-12-13
FI87853B (fi) 1992-11-13

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Legal Events

Date Code Title Description
FZDE Discontinued