DK60476A - Antennelinse - Google Patents

Antennelinse

Info

Publication number
DK60476A
DK60476A DK60476*#A DK60476A DK60476A DK 60476 A DK60476 A DK 60476A DK 60476 A DK60476 A DK 60476A DK 60476 A DK60476 A DK 60476A
Authority
DK
Denmark
Prior art keywords
antenna lens
antenna
lens
Prior art date
Application number
DK60476*#A
Other languages
English (en)
Other versions
DK144577C (da
DK144577B (da
Inventor
H R Phelan
K M Jagdmann
C H Ottenhoff
Original Assignee
Harris Co
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 Harris Co filed Critical Harris Co
Publication of DK60476A publication Critical patent/DK60476A/da
Publication of DK144577B publication Critical patent/DK144577B/da
Application granted granted Critical
Publication of DK144577C publication Critical patent/DK144577C/da

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
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 
DK60476A 1975-03-12 1976-02-13 Antennelinse sammensat af linseceller monteret paa et faelles jordplan DK144577C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/557,585 US3956752A (en) 1975-03-12 1975-03-12 Polarization insensitive lens formed of spiral radiators
US55758575 1975-03-12

Publications (3)

Publication Number Publication Date
DK60476A true DK60476A (da) 1976-09-13
DK144577B DK144577B (da) 1982-03-29
DK144577C DK144577C (da) 1982-09-13

Family

ID=24226046

Family Applications (1)

Application Number Title Priority Date Filing Date
DK60476A DK144577C (da) 1975-03-12 1976-02-13 Antennelinse sammensat af linseceller monteret paa et faelles jordplan

Country Status (7)

Country Link
US (1) US3956752A (da)
JP (1) JPS51113443A (da)
CA (1) CA1061891A (da)
DE (1) DE2609743A1 (da)
DK (1) DK144577C (da)
FR (1) FR2304191A1 (da)
GB (1) GB1527806A (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087821A (en) * 1976-07-14 1978-05-02 Harris Corporation Polarization controllable lens
US4243993A (en) * 1979-11-13 1981-01-06 The Boeing Company Broadband center-fed spiral antenna
JPS6187402A (ja) * 1984-10-04 1986-05-02 Murata Mfg Co Ltd 複数の誘電体を用いたアンテナ
US4725848A (en) * 1985-04-01 1988-02-16 Argo Systems, Inc. Constant beamwidth spiral antenna
JPH0656928B2 (ja) * 1989-11-15 1994-07-27 電気興業株式会社 開口面アンテナ
US5515066A (en) * 1993-08-19 1996-05-07 The United States Of America As Represented By The Secretary Of The Army Photon-triggered RF radiator using bulk type switching
US5491490A (en) * 1993-09-14 1996-02-13 The United States Of America As Represented By The Secretary Of The Army Photon-triggered RF radiator having discrete energy storage and energy radiation sections
US5640170A (en) * 1995-06-05 1997-06-17 Polhemus Incorporated Position and orientation measuring system having anti-distortion source configuration
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
JPH09298413A (ja) * 1996-05-08 1997-11-18 Harada Ind Co Ltd 車載窓ガラスアンテナ装置
US5958880A (en) * 1996-12-19 1999-09-28 Heska Corporation Feline Fc epsilon receptor alpha chain proteins and therapeutic uses thereof
US6057127A (en) * 1998-01-29 2000-05-02 Heska Corporation Equine Fc epsilon receptor alpha chain nucleic acid molecules and uses thereof
US6211823B1 (en) 1998-04-27 2001-04-03 Atx Research, Inc. Left-hand circular polarized antenna for use with GPS systems
US7027009B1 (en) * 1999-04-21 2006-04-11 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for simultaneous transmission of same frequencies
US6853351B1 (en) * 2002-12-19 2005-02-08 Itt Manufacturing Enterprises, Inc. Compact high-power reflective-cavity backed spiral antenna
EP1616060A1 (de) * 2003-04-04 2006-01-18 Günther SCHWARZER Vorrichtung zum empfangen und abstrahlen freier energieformen
US7791552B1 (en) 2007-10-12 2010-09-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Cellular reflectarray antenna and method of making same
WO2015006214A1 (en) * 2013-07-08 2015-01-15 Utc Fire And Security Americas Corporation, Inc. Radio frequency harvester assembly
CN105633588B (zh) * 2015-12-29 2019-02-26 中国计量学院 一种偏振不敏感导模谐振品质因子可调超材料谐振装置
CN105576335B (zh) * 2015-12-29 2018-08-28 中国计量学院 一种导模谐振品质因子可调的超材料谐振装置
CN109904619B (zh) * 2019-01-25 2021-06-11 东南大学 平面等角螺旋线型宽带频率选择表面

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045237A (en) * 1958-12-17 1962-07-17 Arthur E Marston Antenna system having beam control members consisting of array of spiral elements
US3229293A (en) * 1963-07-18 1966-01-11 John H Little Four arm spiral antenna direction finder
US3503075A (en) * 1966-10-28 1970-03-24 Research Corp Helix antenna with polarization control
US3681772A (en) * 1970-12-31 1972-08-01 Trw Inc Modulated arm width spiral antenna
US3787871A (en) * 1971-03-03 1974-01-22 Us Navy Terminator for spiral antenna
US3906514A (en) * 1971-10-27 1975-09-16 Harris Intertype Corp Dual polarization spiral antenna

Also Published As

Publication number Publication date
DK144577C (da) 1982-09-13
FR2304191A1 (fr) 1976-10-08
JPS51113443A (en) 1976-10-06
CA1061891A (en) 1979-09-04
US3956752A (en) 1976-05-11
DE2609743A1 (de) 1976-09-23
GB1527806A (en) 1978-10-11
DK144577B (da) 1982-03-29

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