SE7411047L - - Google Patents

Info

Publication number
SE7411047L
SE7411047L SE7411047A SE7411047A SE7411047L SE 7411047 L SE7411047 L SE 7411047L SE 7411047 A SE7411047 A SE 7411047A SE 7411047 A SE7411047 A SE 7411047A SE 7411047 L SE7411047 L SE 7411047L
Authority
SE
Sweden
Application number
SE7411047A
Other versions
SE403218B (sv
Inventor
A Bizouard
J Rannou
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 SE7411047L publication Critical patent/SE7411047L/xx
Publication of SE403218B publication Critical patent/SE403218B/sv

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
    • 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
    • H01Q19/06—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 refracting or diffracting devices, e.g. lens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas
SE7411047A 1973-08-31 1974-08-30 Bredbandsspiralantenn SE403218B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7331522A FR2242784B1 (sv) 1973-08-31 1973-08-31

Publications (2)

Publication Number Publication Date
SE7411047L true SE7411047L (sv) 1975-03-03
SE403218B SE403218B (sv) 1978-07-31

Family

ID=9124494

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7411047A SE403218B (sv) 1973-08-31 1974-08-30 Bredbandsspiralantenn

Country Status (7)

Country Link
US (1) US3945016A (sv)
DE (1) DE2441638C3 (sv)
FR (1) FR2242784B1 (sv)
GB (1) GB1465659A (sv)
IT (1) IT1019159B (sv)
NO (1) NO138072C (sv)
SE (1) SE403218B (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085406A (en) * 1976-10-22 1978-04-18 International Business Machines Corporation Spiral antenna absorber system
DE3134081A1 (de) * 1981-08-28 1983-03-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Spiralantenne
FR2558307B1 (fr) * 1984-01-13 1988-01-22 Thomson Csf Dispositif d'excitation d'un guide d'onde en mode circulaire et aerien comportant un tel dispositif
DE3527651A1 (de) * 1985-08-01 1987-02-12 Deutsche Forsch Luft Raumfahrt Zusatzeinrichtung fuer eine antenne in form eines einzelstrahlers
FR2598036B1 (fr) * 1986-04-23 1988-08-12 France Etat Antenne plaque a doubles polarisations croisees
FR2729791B1 (fr) * 1988-06-14 1997-05-16 Thomson Csf Dispositif pour diminuer l'effet de radome avec une antenne large bande a rayonnement de surface, et diminuer la surface equivalente refelchissante de l'ensemble
JPH02189008A (ja) * 1989-01-18 1990-07-25 Hisamatsu Nakano 円偏波アンテナ装置
DE3908893A1 (de) * 1989-03-17 1990-09-20 Siemens Ag Ringstrahler in gedruckter schaltungstechnik
JP2863727B2 (ja) * 1996-03-08 1999-03-03 日本アンテナ株式会社 単線スパイラルアンテナ
RU2747754C1 (ru) * 2020-08-10 2021-05-13 Акционерное общество "Центральное конструкторское бюро автоматики" Спиральная антенна

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919442A (en) * 1955-12-09 1959-12-29 American Electronics Antenna
US3745585A (en) * 1972-03-29 1973-07-10 Gte Sylvania Inc Broadband plane antenna with log-periodic reflectors

Also Published As

Publication number Publication date
SE403218B (sv) 1978-07-31
NO138072C (no) 1978-06-21
IT1019159B (it) 1977-11-10
FR2242784B1 (sv) 1977-05-13
NO138072B (no) 1978-03-13
US3945016A (en) 1976-03-16
DE2441638B2 (de) 1978-11-30
DE2441638A1 (de) 1975-03-13
DE2441638C3 (de) 1979-08-02
FR2242784A1 (sv) 1975-03-28
NO743122L (sv) 1975-03-24
GB1465659A (en) 1977-02-23

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