FR2067094B1 - - Google Patents

Info

Publication number
FR2067094B1
FR2067094B1 FR7040450A FR7040450A FR2067094B1 FR 2067094 B1 FR2067094 B1 FR 2067094B1 FR 7040450 A FR7040450 A FR 7040450A FR 7040450 A FR7040450 A FR 7040450A FR 2067094 B1 FR2067094 B1 FR 2067094B1
Authority
FR
France
Prior art keywords
frequency
low frequency
groups
wavelength
dielectric elements
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
FR7040450A
Other languages
English (en)
French (fr)
Other versions
FR2067094A1 (it
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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
Priority claimed from JP8976469A external-priority patent/JPS5036549B1/ja
Priority claimed from JP4999770A external-priority patent/JPS5033632B1/ja
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2067094A1 publication Critical patent/FR2067094A1/fr
Application granted granted Critical
Publication of FR2067094B1 publication Critical patent/FR2067094B1/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
    • H01P1/213—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
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
    • H01Q15/0026—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices having a stacked geometry or having multiple layers

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)
FR7040450A 1969-11-11 1970-11-10 Expired FR2067094B1 (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8976469A JPS5036549B1 (it) 1969-11-11 1969-11-11
JP4999770A JPS5033632B1 (it) 1970-06-11 1970-06-11

Publications (2)

Publication Number Publication Date
FR2067094A1 FR2067094A1 (it) 1971-08-13
FR2067094B1 true FR2067094B1 (it) 1974-04-26

Family

ID=26390430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7040450A Expired FR2067094B1 (it) 1969-11-11 1970-11-10

Country Status (3)

Country Link
US (1) US3698001A (it)
FR (1) FR2067094B1 (it)
GB (1) GB1297292A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148435B2 (it) * 1971-03-11 1976-12-21
US4021812A (en) * 1975-09-11 1977-05-03 The United States Of America As Represented By The Secretary Of The Air Force Layered dielectric filter for sidelobe suppression
FR2429505A1 (fr) * 1978-06-20 1980-01-18 Thomson Csf Systeme d'alimentation periscopique pour antenne bi-gamme
US4284992A (en) * 1979-12-26 1981-08-18 Bell Telephone Laboratories, Incorporated Wide scan quasi-optical frequency diplexer
US4368473A (en) * 1980-09-08 1983-01-11 Ford Aerospace & Communications Corporation Microwave lens ripple filter
US4343002A (en) * 1980-09-08 1982-08-03 Ford Aerospace & Communications Corporation Paraboloidal reflector spatial filter
FR2525823A1 (fr) * 1982-04-27 1983-10-28 Thomson Csf Dispositif d'excitation d'une source rainuree hyperfrequence bi-bande
US4636797A (en) * 1985-03-04 1987-01-13 The United States Of America As Represented By The Secretary Of The Army Dual mode dichroic antenna/aperture
US4652885A (en) * 1985-03-04 1987-03-24 The United States Of America As Represented By The Secretary Of The Army Dual mode antenna for millimeter wave and infrared radiation
US4804970A (en) * 1985-05-06 1989-02-14 Harris Corp. Equiphase refractive antenna lens
US5187461A (en) * 1991-02-15 1993-02-16 Karl Brommer Low-loss dielectric resonator having a lattice structure with a resonant defect
US5784033A (en) * 1996-06-07 1998-07-21 Hughes Electronics Corporation Plural frequency antenna feed
DE19732569A1 (de) * 1997-07-29 1999-02-18 Spinner Gmbh Elektrotech Quasioptisches Oberwellenfilter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA562602A (en) * 1958-09-02 Canadian Marconi Company Multiple beam aerial arrangements
US2636125A (en) * 1948-04-10 1953-04-21 Bell Telephone Labor Inc Selective electromagnetic wave system
FR1050075A (fr) * 1952-01-31 1954-01-05 Miroir dispersif alvéolé
GB735901A (en) * 1953-02-06 1955-08-31 Marconi Wireless Telegraph Co Improvements in or relating to hybrid junction arrangements for use on micro radio waves
US3521288A (en) * 1968-07-10 1970-07-21 Us Air Force Antenna array employing beam waveguide feed

Also Published As

Publication number Publication date
DE2055525A1 (de) 1971-05-19
DE2055525B2 (de) 1973-02-22
FR2067094A1 (it) 1971-08-13
GB1297292A (it) 1972-11-22
US3698001A (en) 1972-10-10

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Legal Events

Date Code Title Description
TP Transmission of property