FR2240535A1 - - Google Patents

Info

Publication number
FR2240535A1
FR2240535A1 FR7427854A FR7427854A FR2240535A1 FR 2240535 A1 FR2240535 A1 FR 2240535A1 FR 7427854 A FR7427854 A FR 7427854A FR 7427854 A FR7427854 A FR 7427854A FR 2240535 A1 FR2240535 A1 FR 2240535A1
Authority
FR
France
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.)
Granted
Application number
FR7427854A
Other languages
French (fr)
Other versions
FR2240535B1 (en
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of FR2240535A1 publication Critical patent/FR2240535A1/fr
Application granted granted Critical
Publication of FR2240535B1 publication Critical patent/FR2240535B1/fr
Expired 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
    • H01P1/207—Hollow waveguide filters
    • H01P1/209—Hollow waveguide filters comprising one or more branching arms or cavities wholly outside the main waveguide
FR7427854A 1973-08-11 1974-08-12 Expired FR2240535B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3814173A GB1422092A (en) 1973-08-11 1973-08-11 Wave-guide filters

Publications (2)

Publication Number Publication Date
FR2240535A1 true FR2240535A1 (en) 1975-03-07
FR2240535B1 FR2240535B1 (en) 1979-09-21

Family

ID=10401479

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427854A Expired FR2240535B1 (en) 1973-08-11 1974-08-12

Country Status (4)

Country Link
US (1) US3916352A (en)
FR (1) FR2240535B1 (en)
GB (1) GB1422092A (en)
IT (1) IT1016814B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826081C3 (en) * 1978-06-14 1981-03-26 Spinner GmbH Elektrotechnische Fabrik, 80335 München RF attenuator
US4628538A (en) * 1985-05-13 1986-12-09 Andrew Corporation Television transmission system using overmoded waveguide
US5004993A (en) * 1989-09-19 1991-04-02 The United States Of America As Represented By The Secretary Of The Navy Constricted split block waveguide low pass filter with printed circuit filter substrate
GB2456043B (en) * 2007-12-28 2011-11-30 Furuno Electric Co Harmonic suppression resonator, harmonic propagation blocking filter, and radar apparatus
KR101330682B1 (en) * 2011-10-26 2013-11-19 한국해양대학교 산학협력단 Terahertz Filter
US10249929B1 (en) * 2016-01-29 2019-04-02 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Multimode directional coupler
US10181630B2 (en) * 2016-08-08 2019-01-15 Rohde & Schwarz Gmbh & Co. Kg Directional coupler and a combiner

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2785381A (en) * 1953-04-23 1957-03-12 Burton P Brown Electromagnetic wave filter
US3187277A (en) * 1962-05-14 1965-06-01 Airtron Inc Waveguide harmonic suppressor employing subsidiary waveguides, cut off for fundamental, for coupling main waveguide harmonics to absorber
US3451014A (en) * 1964-12-23 1969-06-17 Microwave Dev Lab Inc Waveguide filter having branch means to absorb or attenuate frequencies above pass-band
US3353123A (en) * 1965-09-01 1967-11-14 Gen Electric Microwave filter comprising absorbing structures for removing suprious wave energy
US3464035A (en) * 1966-07-25 1969-08-26 Gerald W Van Kol Filter coupled to microwave guide
US3593220A (en) * 1968-07-15 1971-07-13 Varian Associates High power microwave low-pass filter of the leaky wall type
US3559111A (en) * 1969-09-10 1971-01-26 Kunihiro Suetake Electric wave matching element employing a ferrite plate conductively coated on one surface

Also Published As

Publication number Publication date
IT1016814B (en) 1977-06-20
DE2354151A1 (en) 1975-02-27
US3916352A (en) 1975-10-28
DE2354151B2 (en) 1975-10-02
FR2240535B1 (en) 1979-09-21
GB1422092A (en) 1976-01-21

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Legal Events

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ST Notification of lapse
RC Opposition against decision of lapse
DA Annulment of decision of lapse
ST Notification of lapse