GB1252969A - - Google Patents

Info

Publication number
GB1252969A
GB1252969A GB3003769A GB1252969DA GB1252969A GB 1252969 A GB1252969 A GB 1252969A GB 3003769 A GB3003769 A GB 3003769A GB 1252969D A GB1252969D A GB 1252969DA GB 1252969 A GB1252969 A GB 1252969A
Authority
GB
United Kingdom
Prior art keywords
waveguide
reactive elements
input
resonant
coupler
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
Application number
GB3003769A
Other languages
English (en)
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 GB1252969A publication Critical patent/GB1252969A/en
Expired legal-status Critical Current

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

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
GB3003769A 1969-06-13 1969-06-13 Expired GB1252969A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1252969A true GB1252969A (enrdf_load_stackoverflow) 1971-11-10

Family

ID=10301256

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3003769A Expired GB1252969A (enrdf_load_stackoverflow) 1969-06-13 1969-06-13

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
US8988171B2 (en) * 2008-12-26 2015-03-24 Nec Corporation Multi-resonator waveguide bandpass filter

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
FR2046756B1 (enrdf_load_stackoverflow) 1974-07-12
US3614672A (en) 1971-10-19
NL7008597A (enrdf_load_stackoverflow) 1970-12-15
FR2046756A1 (enrdf_load_stackoverflow) 1971-03-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee