DE69118496D1 - System zum Kombinieren von Hochfrequenzsignalen und dazugehörige Kombiniervorrichtung - Google Patents

System zum Kombinieren von Hochfrequenzsignalen und dazugehörige Kombiniervorrichtung

Info

Publication number
DE69118496D1
DE69118496D1 DE69118496T DE69118496T DE69118496D1 DE 69118496 D1 DE69118496 D1 DE 69118496D1 DE 69118496 T DE69118496 T DE 69118496T DE 69118496 T DE69118496 T DE 69118496T DE 69118496 D1 DE69118496 D1 DE 69118496D1
Authority
DE
Germany
Prior art keywords
combining
frequency signals
combining device
combining high
associated combining
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 - Lifetime
Application number
DE69118496T
Other languages
English (en)
Inventor
D Oro Enzo Cavalieri
Vittorio Tansini
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.)
FOR E M SpA
Original Assignee
FOR E M SpA
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 FOR E M SpA filed Critical FOR E M SpA
Application granted granted Critical
Publication of DE69118496D1 publication Critical patent/DE69118496D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity resonators
DE69118496T 1990-12-28 1991-12-12 System zum Kombinieren von Hochfrequenzsignalen und dazugehörige Kombiniervorrichtung Expired - Lifetime DE69118496D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02255990A IT1246749B (it) 1990-12-28 1990-12-28 Sistema per la combinazione di segnali ad alta frequenza e relativo dispositivo conbinatore.

Publications (1)

Publication Number Publication Date
DE69118496D1 true DE69118496D1 (de) 1996-05-09

Family

ID=11197831

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118496T Expired - Lifetime DE69118496D1 (de) 1990-12-28 1991-12-12 System zum Kombinieren von Hochfrequenzsignalen und dazugehörige Kombiniervorrichtung

Country Status (5)

Country Link
US (1) US5206612A (de)
EP (1) EP0492303B1 (de)
CA (1) CA2058267C (de)
DE (1) DE69118496D1 (de)
IT (1) IT1246749B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5534881A (en) * 1994-08-31 1996-07-09 Hughes Aircraft Company Microwave filter assembly having a nonsymmetrical waveguide and an antenna
CN100403186C (zh) * 2001-12-18 2008-07-16 株式会社理光 图像形成装置，带组件及图像形成系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124768A (en) * 1964-03-10 Resonator
GB731498A (en) * 1953-07-22 1955-06-08 Standard Telephones Cables Ltd Band pass filter for decimetric and centimetric waves
US3425006A (en) * 1967-02-01 1969-01-28 Johnson Service Co Cavity resonator with mode discriminating means
GB2129228B (en) * 1982-10-01 1986-06-18 Murata Manufacturing Co Dielectric resonator
IT1206330B (it) * 1983-10-19 1989-04-14 Telettra Lab Telefon Filtri per microonde a piu'cavita'.
JPS6161503A (ja) * 1984-08-31 1986-03-29 Murata Mfg Co Ltd 誘電体共振器
US4890078A (en) * 1988-04-12 1989-12-26 Phase Devices Limited Diplexer
US5034707A (en) * 1989-12-06 1991-07-23 Telefonaktiebolaget Lm Ericsson Combiner arrangement in a radio base station
IT1246747B (it) * 1990-12-28 1994-11-26 For E M Sistema per sintonizzare risonatori dielettrici ad alta frequenza e risonatori cosi ottenuti.

Also Published As

Publication number Publication date
EP0492303A1 (de) 1992-07-01
IT1246749B (it) 1994-11-26
CA2058267C (en) 1996-04-30
US5206612A (en) 1993-04-27
IT9022559A0 (it) 1990-12-28
EP0492303B1 (de) 1996-04-03
CA2058267A1 (en) 1992-06-29
IT9022559A1 (it) 1992-06-29

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Legal Events

Date Code Title Description
8332 No legal effect for de