IT8368316A0 - Antenna a spirale - Google Patents

Antenna a spirale

Info

Publication number
IT8368316A0
IT8368316A0 IT8368316A IT6831683A IT8368316A0 IT 8368316 A0 IT8368316 A0 IT 8368316A0 IT 8368316 A IT8368316 A IT 8368316A IT 6831683 A IT6831683 A IT 6831683A IT 8368316 A0 IT8368316 A0 IT 8368316A0
Authority
IT
Italy
Prior art keywords
spiral antenna
antenna
spiral
Prior art date
Application number
IT8368316A
Other languages
English (en)
Other versions
IT1205400B (it
Inventor
William L Werner
Raymond H Du Hamel
Original Assignee
Granger Associates
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 Granger Associates filed Critical Granger Associates
Publication of IT8368316A0 publication Critical patent/IT8368316A0/it
Application granted granted Critical
Publication of IT1205400B publication Critical patent/IT1205400B/it

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
    • 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
    • H01Q1/14—Supports; Mounting means for wire or other non-rigid radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
IT68316/83A 1982-12-30 1983-12-19 Antenna a spirale IT1205400B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/454,693 US4498084A (en) 1982-12-30 1982-12-30 Four wire dual mode spiral antenna

Publications (2)

Publication Number Publication Date
IT8368316A0 true IT8368316A0 (it) 1983-12-19
IT1205400B IT1205400B (it) 1989-03-15

Family

ID=23805676

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68316/83A IT1205400B (it) 1982-12-30 1983-12-19 Antenna a spirale

Country Status (9)

Country Link
US (1) US4498084A (it)
JP (1) JPS59167102A (it)
AU (1) AU568107B2 (it)
ES (1) ES528509A0 (it)
GB (1) GB2133219B (it)
IN (1) IN162421B (it)
IT (1) IT1205400B (it)
PT (1) PT77904B (it)
ZA (1) ZA839302B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635070A (en) * 1983-12-19 1987-01-06 Granger Associates Dual mode antenna having simultaneous operating modes
US5189434A (en) * 1989-03-21 1993-02-23 Antenna Products Corp. Multi-mode antenna system having plural radiators coupled via hybrid circuit modules
US5216436A (en) * 1991-05-31 1993-06-01 Harris Corporation Collapsible, low visibility, broadband tapered helix monopole antenna
US6054964A (en) * 1994-04-21 2000-04-25 The United States Of America As Represented By The Secretary Of The Navy Split rosette-shaped monopole antenna top-load for increased antenna voltage and power capability
US5673055A (en) * 1994-04-21 1997-09-30 The United States Of America As Represented By The Secretary Of The Navy Rosette-shaped monopole antenna top-load for increased antenna voltage and power capability
US6112056A (en) 1995-06-07 2000-08-29 Cisco Systems, Inc. Low power, short range point-to-multipoint communications system
US6967626B2 (en) * 2003-09-09 2005-11-22 Bae Systems Information And Electronic Systems Integration Inc. Collapsible wide band width discone antenna
GB2546520B (en) * 2016-01-21 2022-04-06 Qinetiq Ltd Method for identifying an adverse EMI environment
CN110783696A (zh) * 2019-10-25 2020-02-11 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） 机动式低频发射天线
CN111668609B (zh) * 2020-07-21 2021-07-20 西安星网天线技术有限公司 一种可折叠便携双模超宽频带全向天线
CN112864571A (zh) * 2020-12-31 2021-05-28 河南爱科瑞特电子科技有限公司 一种近空无盲区高增益天线及其使用方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683390A (en) * 1971-04-26 1972-08-08 Collins Radio Co Hf broadband omnidirectional antenna
US3906509A (en) * 1974-03-11 1975-09-16 Raymond H Duhamel Circularly polarized helix and spiral antennas

Also Published As

Publication number Publication date
AU2231983A (en) 1984-07-05
GB2133219A (en) 1984-07-18
JPS59167102A (ja) 1984-09-20
US4498084A (en) 1985-02-05
IN162421B (it) 1988-05-28
ZA839302B (en) 1985-02-27
JPH0415641B2 (it) 1992-03-18
ES8500514A1 (es) 1984-10-01
PT77904B (en) 1986-03-25
IT1205400B (it) 1989-03-15
ES528509A0 (es) 1984-10-01
AU568107B2 (en) 1987-12-17
PT77904A (en) 1984-01-01
GB2133219B (en) 1986-11-19
GB8333407D0 (en) 1984-01-25

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961227