FR2023399A1 - - Google Patents

Info

Publication number
FR2023399A1
FR2023399A1 FR6939142A FR6939142A FR2023399A1 FR 2023399 A1 FR2023399 A1 FR 2023399A1 FR 6939142 A FR6939142 A FR 6939142A FR 6939142 A FR6939142 A FR 6939142A FR 2023399 A1 FR2023399 A1 FR 2023399A1
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.)
Withdrawn
Application number
FR6939142A
Other languages
French (fr)
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.)
Plessey Co Ltd
Original Assignee
Plessey 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of FR2023399A1 publication Critical patent/FR2023399A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/0208—Corrugated horns
    • H01Q13/0225—Corrugated horns of non-circular cross-section
FR6939142A 1968-11-15 1969-11-14 Withdrawn FR2023399A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB54427/68A GB1269950A (en) 1968-11-15 1968-11-15 Improvements in or relating to antenna feed systems

Publications (1)

Publication Number Publication Date
FR2023399A1 true FR2023399A1 (en) 1970-08-21

Family

ID=10470970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6939142A Withdrawn FR2023399A1 (en) 1968-11-15 1969-11-14

Country Status (5)

Country Link
US (1) US3618106A (en)
JP (1) JPS5024582B1 (en)
DE (1) DE1957354A1 (en)
FR (1) FR2023399A1 (en)
GB (1) GB1269950A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754273A (en) * 1970-10-24 1973-08-21 Mitsubishi Electric Corp Corrugated waveguide
FR2331165A1 (en) * 1975-11-04 1977-06-03 Thomson Csf EXPONENTIAL CORNET AND ANTENNA CONTAINING SUCH A CORNET
JPS53161988U (en) * 1977-05-23 1978-12-19
US4301456A (en) * 1979-06-27 1981-11-17 Lockheed Corporation Electromagnetic wave attenuating surface
DE3109667A1 (en) * 1981-03-13 1982-09-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "WIDE-BAND GROOVED HORN SPOTLIGHT"
US4468672A (en) * 1981-10-28 1984-08-28 Bell Telephone Laboratories, Incorporated Wide bandwidth hybrid mode feeds
US4482899A (en) * 1981-10-28 1984-11-13 At&T Bell Laboratories Wide bandwidth hybrid mode feeds
US4419671A (en) * 1981-10-28 1983-12-06 Bell Telephone Laboratories, Incorporated Small dual frequency band hybrid mode feed
US4477888A (en) * 1981-11-05 1984-10-16 The United States Of America As Represented By The Secretary Of The Army Microwave system for particle and shock velocity measurement in a geological type material
US4439748A (en) * 1982-06-28 1984-03-27 Bell Telephone Laboratories, Incorporated Corrugated waveguide or feedhorn assembled from grooved pieces
US4521783A (en) * 1982-09-27 1985-06-04 Ford Aerospace & Communications Corporation Offset microwave feed horn for producing focused beam having reduced sidelobe radiation
JPS59186280U (en) * 1983-05-28 1984-12-11 山下印刷紙器株式会社 Collection packaging box for spools
US4533919A (en) * 1983-10-14 1985-08-06 At&T Bell Laboratories Corrugated antenna feed arrangement
BR8305993A (en) * 1983-10-25 1985-06-04 Brasilia Telecom DIRECTIONAL ACIPLATOR USING CORRUGATED GUIDE TO SEPARATE TWO FREQUENCY BANDS MAINTAINING POLARIZATION CHARACTERISTICS
IT1180685B (en) * 1984-03-02 1987-09-23 Selenia Spazio Spa DIFFERENTIAL SHIFTER OPERATING IN A LARGE FREQUENCY BAND WITH CONSTANT DIFFERENTIAL SHIFT
FR2592233B1 (en) * 1985-12-20 1988-02-12 Radiotechnique Compelec PLANE ANTENNA HYPERFREQUENCES RECEIVING SIMULTANEOUSLY TWO POLARIZATIONS.
US5552797A (en) * 1994-12-02 1996-09-03 Avnet, Inc. Die-castable corrugated horns providing elliptical beams
US5793334A (en) * 1996-08-14 1998-08-11 L-3 Communications Corporation Shrouded horn feed assembly
US5793335A (en) * 1996-08-14 1998-08-11 L-3 Communications Corporation Plural band feed system
DE102010010299B4 (en) * 2010-03-04 2014-07-24 Astrium Gmbh Diplexer for a reflector antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2395560A (en) * 1940-10-19 1946-02-26 Bell Telephone Labor Inc Wave guide
US2567748A (en) * 1943-10-02 1951-09-11 Milton G White Control of wave length in wave guides
FR991681A (en) * 1944-04-27 1951-10-09 Csf UHF delay guides
NL87170C (en) * 1947-10-06
US2659817A (en) * 1948-12-31 1953-11-17 Bell Telephone Labor Inc Translation of electromagnetic waves
US2623121A (en) * 1950-04-28 1952-12-23 Nat Union Radio Corp Wave guide

Also Published As

Publication number Publication date
US3618106A (en) 1971-11-02
DE1957354A1 (en) 1970-06-11
GB1269950A (en) 1972-04-06
JPS5024582B1 (en) 1975-08-16

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Legal Events

Date Code Title Description
ST Notification of lapse