NL7008597A - - Google Patents

Info

Publication number
NL7008597A
NL7008597A NL7008597A NL7008597A NL7008597A NL 7008597 A NL7008597 A NL 7008597A NL 7008597 A NL7008597 A NL 7008597A NL 7008597 A NL7008597 A NL 7008597A NL 7008597 A NL7008597 A NL 7008597A
Authority
NL
Netherlands
Application number
NL7008597A
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 filed Critical
Publication of NL7008597A publication Critical patent/NL7008597A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/181—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides
    • H01P5/182—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides the waveguides being arranged in parallel
    • 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
NL7008597A 1969-06-13 1970-06-12 NL7008597A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3003769 1969-06-13

Publications (1)

Publication Number Publication Date
NL7008597A true NL7008597A (enrdf_load_stackoverflow) 1970-12-15

Family

ID=10301256

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7008597A NL7008597A (enrdf_load_stackoverflow) 1969-06-13 1970-06-12

Country Status (4)

Country Link
US (1) US3614672A (enrdf_load_stackoverflow)
FR (1) FR2046756B1 (enrdf_load_stackoverflow)
GB (1) GB1252969A (enrdf_load_stackoverflow)
NL (1) NL7008597A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761843A (en) * 1972-05-16 1973-09-25 Merrimac Ind Inc Four port networks synthesized from interconnection of coupled and uncoupled sections of line lengths
US4467294A (en) * 1981-12-17 1984-08-21 Vitalink Communications Corporation Waveguide apparatus and method for dual polarized and dual frequency signals
US4812788A (en) * 1987-11-02 1989-03-14 Hughes Aircraft Company Waveguide matrix including in-plane crossover
DE19716290A1 (de) * 1997-04-18 1998-10-29 Bosch Gmbh Robert Richtkoppler
JP2009225098A (ja) * 2008-03-17 2009-10-01 Nec Corp 導波管結合器
WO2010073554A1 (ja) * 2008-12-26 2010-07-01 日本電気株式会社 帯域通過フィルタ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566386A (en) * 1944-10-24 1951-09-04 Univ Leland Stanford Junior Frequency and direction selective high-frequency transmission line apparatus
US2823356A (en) * 1952-12-11 1958-02-11 Bell Telephone Labor Inc Frequency selective high frequency power dividing networks
US2879484A (en) * 1953-02-11 1959-03-24 Bell Telephone Labor Inc Branching filter
US2948863A (en) * 1953-08-21 1960-08-09 Philco Corp Signal channeling system
FR1130267A (fr) * 1955-06-18 1957-02-04 Coupleurs directionnels filtrants à large bande
US2922122A (en) * 1956-12-31 1960-01-19 Bell Telephone Labor Inc Wave-guide coupler
GB929289A (en) * 1959-02-27 1963-06-19 Thomson Houston Comp Francaise Improvements relating to electrical duplexers
US2991431A (en) * 1959-05-27 1961-07-04 Bell Telephone Labor Inc Electromagnetic wave filter
US3230482A (en) * 1963-10-28 1966-01-18 Seymour B Cohn Compact directional coupler
US3274519A (en) * 1964-02-05 1966-09-20 Lab For Electronics Inc Frequency selective coupling device having ferrite elements biased to different resonant frequencies

Also Published As

Publication number Publication date
US3614672A (en) 1971-10-19
FR2046756A1 (enrdf_load_stackoverflow) 1971-03-12
FR2046756B1 (enrdf_load_stackoverflow) 1974-07-12
GB1252969A (enrdf_load_stackoverflow) 1971-11-10

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Legal Events

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