JPS5352339A - Unidirectional vortex antenna - Google Patents

Unidirectional vortex antenna

Info

Publication number
JPS5352339A
JPS5352339A JP7727477A JP7727477A JPS5352339A JP S5352339 A JPS5352339 A JP S5352339A JP 7727477 A JP7727477 A JP 7727477A JP 7727477 A JP7727477 A JP 7727477A JP S5352339 A JPS5352339 A JP S5352339A
Authority
JP
Japan
Prior art keywords
vortex antenna
unidirectional vortex
unidirectional
antenna
vortex
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.)
Pending
Application number
JP7727477A
Other languages
English (en)
Japanese (ja)
Inventor
Mikaeru Shiyumitsuto Jiyon
Reon Sunou Uoresu
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS5352339A publication Critical patent/JPS5352339A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
JP7727477A 1976-10-22 1977-06-30 Unidirectional vortex antenna Pending JPS5352339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/734,851 US4085406A (en) 1976-10-22 1976-10-22 Spiral antenna absorber system

Publications (1)

Publication Number Publication Date
JPS5352339A true JPS5352339A (en) 1978-05-12

Family

ID=24953339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7727477A Pending JPS5352339A (en) 1976-10-22 1977-06-30 Unidirectional vortex antenna

Country Status (5)

Country Link
US (1) US4085406A (enExample)
JP (1) JPS5352339A (enExample)
DE (1) DE2729551A1 (enExample)
FR (1) FR2368808A1 (enExample)
GB (1) GB1572671A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6179307A (ja) * 1984-09-27 1986-04-22 Tech Res & Dev Inst Of Japan Def Agency スパイラルアンテナ
JP2010068483A (ja) * 2008-09-12 2010-03-25 Toshiba Corp スパイラルアンテナ

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3134081A1 (de) * 1981-08-28 1983-03-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Spiralantenne
US5053786A (en) * 1982-01-28 1991-10-01 General Instrument Corporation Broadband directional antenna
US4525720A (en) * 1982-10-15 1985-06-25 The United States Of America As Represented By The Secretary Of The Navy Integrated spiral antenna and printed circuit balun
US4868579A (en) * 1982-11-12 1989-09-19 General Instrument Corporation Reduced back lobe spiral antenna
US4697192A (en) * 1985-04-16 1987-09-29 Texas Instruments Incorporated Two arm planar/conical/helix antenna
US4978965A (en) * 1989-04-11 1990-12-18 Itt Corporation Broadband dual-polarized frameless radiating element
US5313216A (en) * 1991-05-03 1994-05-17 Georgia Tech Research Corporation Multioctave microstrip antenna
US5231414A (en) * 1991-12-23 1993-07-27 Gte Laboratories Incorporated Center-fed leaky wave antenna
US7460083B2 (en) * 2007-04-10 2008-12-02 Harris Corporation Antenna assembly and associated methods such as for receiving multiple signals
US20100134371A1 (en) * 2008-12-03 2010-06-03 Robert Tilman Worl Increased bandwidth planar antennas
RU2387060C1 (ru) * 2009-01-11 2010-04-20 ОАО "Центральное конструкторское бюро автоматики" Логопериодическая антенна
US9065176B2 (en) * 2011-03-30 2015-06-23 Wang-Electro-Opto Corporation Ultra-wideband conformal low-profile four-arm unidirectional traveling-wave antenna with a simple feed
US11843166B2 (en) * 2020-12-09 2023-12-12 Battelle Memorial Institute Antenna assemblies and antenna systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192531A (en) * 1963-06-12 1965-06-29 Rex E Cox Frequency independent backup cavity for spiral antennas
US3555554A (en) * 1969-03-03 1971-01-12 Sylvania Electric Prod Cavity-backed spiral antenna with mode suppression
US3624658A (en) * 1970-07-09 1971-11-30 Textron Inc Broadband spiral antenna with provision for mode suppression
US3686674A (en) * 1971-01-04 1972-08-22 Bendix Corp Microwave spiral antenna structure
US3745585A (en) * 1972-03-29 1973-07-10 Gte Sylvania Inc Broadband plane antenna with log-periodic reflectors
FR2242784B1 (enExample) * 1973-08-31 1977-05-13 Thomson Csf

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6179307A (ja) * 1984-09-27 1986-04-22 Tech Res & Dev Inst Of Japan Def Agency スパイラルアンテナ
JP2010068483A (ja) * 2008-09-12 2010-03-25 Toshiba Corp スパイラルアンテナ
US8237621B2 (en) 2008-09-12 2012-08-07 Kabushiki Kaisha Toshiba Spiral antenna

Also Published As

Publication number Publication date
FR2368808B1 (enExample) 1981-07-31
DE2729551A1 (de) 1978-04-27
US4085406A (en) 1978-04-18
FR2368808A1 (fr) 1978-05-19
GB1572671A (en) 1980-07-30

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