FI911797A0 - KERAMISKT SPAERRFILTER. - Google Patents

KERAMISKT SPAERRFILTER.

Info

Publication number
FI911797A0
FI911797A0 FI911797A FI911797A FI911797A0 FI 911797 A0 FI911797 A0 FI 911797A0 FI 911797 A FI911797 A FI 911797A FI 911797 A FI911797 A FI 911797A FI 911797 A0 FI911797 A0 FI 911797A0
Authority
FI
Finland
Prior art keywords
spaerrfilter
keramiskt
keramiskt spaerrfilter
Prior art date
Application number
FI911797A
Other languages
Finnish (fi)
Other versions
FI87853C (en
FI87853B (en
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/en
Priority claimed from FI911796A external-priority patent/FI86673C/en
Priority to FI911797A priority Critical patent/FI87853C/en
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/en
Priority to DK92303092T priority patent/DK0508734T3/en
Priority to EP19920303092 priority patent/EP0508734B1/en
Priority to JP4090888A priority patent/JPH05102705A/en
Publication of FI87853B publication Critical patent/FI87853B/en
Application granted granted Critical
Publication of FI87853C publication Critical patent/FI87853C/en

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 Ceramic barrier filter FI87853C (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI911797A FI87853C (en) 1991-04-12 1991-04-12 Ceramic barrier filter
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 (en) 1991-04-12 1992-04-08 Ceramic filter
EP19920303092 EP0508734B1 (en) 1991-04-12 1992-04-08 A ceramic filter
DK92303092T DK0508734T3 (en) 1991-04-12 1992-04-08 Ceramic filter
JP4090888A JPH05102705A (en) 1991-04-12 1992-04-10 Band erasing filter made of ceramics

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI911797 1991-04-12
FI911796A FI86673C (en) 1991-04-12 1991-04-12 CERAMIC DUPLEXFILTER.
FI911796 1991-04-12
FI911797A FI87853C (en) 1991-04-12 1991-04-12 Ceramic barrier filter

Publications (3)

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

Family

ID=26158937

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911797A FI87853C (en) 1989-06-09 1991-04-12 Ceramic barrier filter

Country Status (7)

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

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 (en) * 1993-11-18 2001-11-19 株式会社村田製作所 Antenna duplexer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6152003A (en) * 1984-08-21 1986-03-14 Murata Mfg Co Ltd Dielectric filter
JPH0713284Y2 (en) * 1987-09-21 1995-03-29 株式会社村田製作所 Resonant frequency adjustment structure for integrally molded dielectric filter
JPH01103001A (en) * 1987-10-15 1989-04-20 Murata Mfg Co Ltd Dielectric filter
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
EP0508734B1 (en) 1995-12-13
DE69206661T2 (en) 1996-05-30
DK0508734T3 (en) 1996-01-22
FI87853C (en) 1993-02-25
AU1398292A (en) 1992-10-15
FI87853B (en) 1992-11-13
DE69206661D1 (en) 1996-01-25
EP0508734A1 (en) 1992-10-14
JPH05102705A (en) 1993-04-23

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Legal Events

Date Code Title Description
MM Patent lapsed