FI87853C - Keramiskt spaerrfilter - Google Patents

Keramiskt spaerrfilter Download PDF

Info

Publication number
FI87853C
FI87853C FI911797A FI911797A FI87853C FI 87853 C FI87853 C FI 87853C FI 911797 A FI911797 A FI 911797A FI 911797 A FI911797 A FI 911797A FI 87853 C FI87853 C FI 87853C
Authority
FI
Finland
Prior art keywords
resonators
filter
conductive
coupling
ceramic barrier
Prior art date
Application number
FI911797A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI911797A0 (fi
FI87853B (fi
Inventor
Aimo Turunen
Pauli Naeppae
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
Publication of FI911797A0 publication Critical patent/FI911797A0/fi
Priority claimed from FI911796A external-priority patent/FI86673C/fi
Priority to FI911797A priority Critical patent/FI87853C/fi
Application filed by Lk Products Oy filed Critical Lk Products Oy
Priority to US07/861,080 priority patent/US5307036A/en
Priority to AU13982/92A priority patent/AU1398292A/en
Priority to CA002065207A priority patent/CA2065207A1/en
Priority to DE1992606661 priority patent/DE69206661T2/de
Priority to EP19920303092 priority patent/EP0508734B1/de
Priority to DK92303092T priority patent/DK0508734T3/da
Priority to JP4090888A priority patent/JPH05102705A/ja
Publication of FI87853B publication Critical patent/FI87853B/fi
Application granted granted Critical
Publication of FI87853C publication Critical patent/FI87853C/fi

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)
FI911797A 1989-06-09 1991-04-12 Keramiskt spaerrfilter FI87853C (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI911797A FI87853C (fi) 1991-04-12 1991-04-12 Keramiskt spaerrfilter
US07/861,080 US5307036A (en) 1989-06-09 1992-03-31 Ceramic band-stop filter
AU13982/92A AU1398292A (en) 1991-04-12 1992-04-02 Ceramic band-stop filter
CA002065207A CA2065207A1 (en) 1991-04-12 1992-04-06 Ceramic band-stop filter
DE1992606661 DE69206661T2 (de) 1991-04-12 1992-04-08 Keramisches Filter
DK92303092T DK0508734T3 (da) 1991-04-12 1992-04-08 Keramisk filter
EP19920303092 EP0508734B1 (de) 1991-04-12 1992-04-08 Keramisches Filter
JP4090888A JPH05102705A (ja) 1991-04-12 1992-04-10 セラミツク製帯域消去フイルター

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI911797 1991-04-12
FI911797A FI87853C (fi) 1991-04-12 1991-04-12 Keramiskt spaerrfilter
FI911796 1991-04-12
FI911796A FI86673C (fi) 1991-04-12 1991-04-12 Keramiskt duplexfilter.

Publications (3)

Publication Number Publication Date
FI911797A0 FI911797A0 (fi) 1991-04-12
FI87853B FI87853B (fi) 1992-11-13
FI87853C true FI87853C (fi) 1993-02-25

Family

ID=26158937

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911797A FI87853C (fi) 1989-06-09 1991-04-12 Keramiskt spaerrfilter

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
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

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
CA2065207A1 (en) 1992-10-13
FI911797A0 (fi) 1991-04-12
DE69206661D1 (de) 1996-01-25
EP0508734A1 (de) 1992-10-14
AU1398292A (en) 1992-10-15
DE69206661T2 (de) 1996-05-30
FI87853B (fi) 1992-11-13
DK0508734T3 (da) 1996-01-22
JPH05102705A (ja) 1993-04-23
EP0508734B1 (de) 1995-12-13

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