NO147356C - Periskopisk innretning som danner en antenneanordning med beskyttelse mot parasittiske utstraalinger - Google Patents

Periskopisk innretning som danner en antenneanordning med beskyttelse mot parasittiske utstraalinger

Info

Publication number
NO147356C
NO147356C NO771326A NO771326A NO147356C NO 147356 C NO147356 C NO 147356C NO 771326 A NO771326 A NO 771326A NO 771326 A NO771326 A NO 771326A NO 147356 C NO147356 C NO 147356C
Authority
NO
Norway
Prior art keywords
protection against
periscopic
against parasitic
antenna device
parasitic radiations
Prior art date
Application number
NO771326A
Other languages
English (en)
Norwegian (no)
Other versions
NO771326L (no
NO147356B (no
Inventor
Nhu Bui Hai
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of NO771326L publication Critical patent/NO771326L/no
Publication of NO147356B publication Critical patent/NO147356B/no
Publication of NO147356C publication Critical patent/NO147356C/no

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/104—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
NO771326A 1976-04-16 1977-04-15 Periskopisk innretning som danner en antenneanordning med beskyttelse mot parasittiske utstraalinger NO147356C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7611443A FR2348585A1 (fr) 1976-04-16 1976-04-16 Montage periscopique a tube support et groupement de tels montages

Publications (3)

Publication Number Publication Date
NO771326L NO771326L (no) 1977-10-18
NO147356B NO147356B (no) 1982-12-13
NO147356C true NO147356C (no) 1983-03-23

Family

ID=9171988

Family Applications (1)

Application Number Title Priority Date Filing Date
NO771326A NO147356C (no) 1976-04-16 1977-04-15 Periskopisk innretning som danner en antenneanordning med beskyttelse mot parasittiske utstraalinger

Country Status (10)

Country Link
US (1) US4249183A (da)
JP (1) JPS52127137A (da)
CA (1) CA1085955A (da)
DE (1) DE2716819B2 (da)
FR (1) FR2348585A1 (da)
GB (1) GB1515480A (da)
IT (1) IT1080041B (da)
NL (1) NL170204C (da)
NO (1) NO147356C (da)
SE (1) SE419010B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410892A (en) * 1981-05-26 1983-10-18 Andrew Corporation Reflector-type microwave antennas with absorber lined conical feed
US4423422A (en) * 1981-08-10 1983-12-27 Andrew Corporation Diagonal-conical horn-reflector antenna
US4380014A (en) * 1981-08-13 1983-04-12 Chaparral Communications, Inc. Feed horn for reflector antennae
US5317328A (en) * 1984-04-02 1994-05-31 Gabriel Electronics Incorporated Horn reflector antenna with absorber lined conical feed
US4945362A (en) * 1985-03-20 1990-07-31 The Reinforced Earth Company Microwave shielding for satellite earth stations
US5341150A (en) * 1988-09-28 1994-08-23 Georgia Tech Research Corp. Low sidelobe reflector
WO2018109955A1 (ja) * 2016-12-14 2018-06-21 シャープ株式会社 情報発信装置およびシステム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1050075A (fr) * 1952-01-31 1954-01-05 Miroir dispersif alvéolé
GB726058A (en) * 1953-01-09 1955-03-16 Gen Electric Co Ltd Improvements in or relating to aerial systems of the kind including horn radiators
FR2050326B1 (da) * 1969-07-23 1973-02-02 Comp Generale Electricite
US3936837A (en) * 1975-02-25 1976-02-03 The United States Of America As Represented By The Secretary Of The Navy Corrugated horn fed offset paraboloidal reflector

Also Published As

Publication number Publication date
JPS52127137A (en) 1977-10-25
FR2348585A1 (fr) 1977-11-10
NO771326L (no) 1977-10-18
DE2716819C3 (da) 1980-04-24
SE419010B (sv) 1981-07-06
DE2716819B2 (de) 1979-08-09
DE2716819A1 (de) 1977-10-27
SE7704186L (sv) 1977-10-17
JPS5542762B2 (da) 1980-11-01
IT1080041B (it) 1985-05-16
NL7704010A (nl) 1977-10-18
NO147356B (no) 1982-12-13
NL170204B (nl) 1982-05-03
US4249183A (en) 1981-02-03
FR2348585B1 (da) 1980-06-27
NL170204C (nl) 1982-10-01
CA1085955A (fr) 1980-09-16
GB1515480A (en) 1978-06-28

Similar Documents

Publication Publication Date Title
SE422276C (sv) Bestralningsanordning med ultraviolett-stralningskella
IT1076600B (it) Dispositivo di fissaggio unilaterale
IT1075982B (it) Apaprato semplificato per dispositivi di fissaggio
NO770693L (no) Verneskjoldanordning.
IT1065175B (it) Dispositivo di aggiustamento ottico
DK151729C (da) Straalingsafbildningsapparat
AT363327B (de) Reifenschutzvorrichtung
NO147356C (no) Periskopisk innretning som danner en antenneanordning med beskyttelse mot parasittiske utstraalinger
IT1085591B (it) Dispositivo ottico integrato
BE860537A (fr) Dispositif de protection contre les surtensions
IT1084601B (it) Dispositivo di oscuramento per periscopio.
BR7701372A (pt) Dispositivo de deteccao de radiacao
IT1087361B (it) Dispositivo di sminuzzamento
IT1087314B (it) Dispositivo di attacco
IT1079826B (it) Dispositivo generatore di schiuma
IT1117925B (it) Dispositivo di ritegno per chiavi
IT1058389B (it) Dispositivo di protezione anti proiettile corazzato
DK190077A (da) Bolget ror
NL7607696A (nl) Bescherminrichting.
IT8068739A0 (it) Dispositivo di attacco di veicolo
IT1077559B (it) Dispositivo ottico per barriera ottica di sicurezza
SE7612429L (sv) Anordning for avstandsmetning
IT1091205B (it) Dispositivo di temporizzazione
IT1057260B (it) Montaggio periscopico munito di un dispositivo d intercettazione di radiazioni parassite
IT219855Z2 (it) Armatura di ritenuta per il supp0rt0 di catarifrangenti