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The double-lemniscate antenna element

Info

Publication number
CA2347596A1
CA2347596A1 CA 2347596 CA2347596A CA2347596A1 CA 2347596 A1 CA2347596 A1 CA 2347596A1 CA 2347596 CA2347596 CA 2347596 CA 2347596 A CA2347596 A CA 2347596A CA 2347596 A1 CA2347596 A1 CA 2347596A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
antenna
loops
lemniscate
element
similar
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.)
Granted
Application number
CA 2347596
Other languages
French (fr)
Other versions
CA2347596C (en )
Inventor
James Stanley Podger
Original Assignee
James Stanley Podger
Morton, Robert
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

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q7/00Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q1/00Details of, or arrangements associated with, aerials
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q19/00Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic
    • H01Q19/28Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/30Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi-aerial
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q21/00Aerial arrays or systems
    • H01Q21/06Arrays of individually energised active aerial units similarly polarised and spaced apart
    • H01Q21/061Two dimensional planar arrays
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q21/00Aerial arrays or systems
    • H01Q21/06Arrays of individually energised active aerial units similarly polarised and spaced apart
    • H01Q21/08Arrays of individually energised active aerial units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path

Abstract

An antenna element that has four coplanar and aligned loops, of approximately one-wavelength to two-wavelength perimeters, that have shapes that are similar to the mathematical curve called a lemniscate. Such antenna elements can perform better than similar sets of four triangular loops. Variations of the basic shape, related combinations of lemniscate and triangular loops, plus applications of the antenna element also are disclosed.
CA 2347596 2001-05-17 2001-05-17 The double-lemniscate antenna element Expired - Fee Related CA2347596C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2347596 CA2347596C (en) 2001-05-17 2001-05-17 The double-lemniscate antenna element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA 2347596 CA2347596C (en) 2001-05-17 2001-05-17 The double-lemniscate antenna element
US09907924 US6469674B1 (en) 2001-05-17 2001-07-19 Double-lemniscate antenna element

Publications (2)

Publication Number Publication Date
CA2347596A1 true true CA2347596A1 (en) 2002-11-17
CA2347596C CA2347596C (en) 2004-01-27

Family

ID=4169045

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2347596 Expired - Fee Related CA2347596C (en) 2001-05-17 2001-05-17 The double-lemniscate antenna element

Country Status (2)

Country Link
US (1) US6469674B1 (en)
CA (1) CA2347596C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2389791C (en) * 2002-06-20 2004-10-19 James Stanley Podger Multiloop antenna elements
JP4226572B2 (en) * 2005-05-11 2009-02-18 株式会社日立国際電気 The reader-writer device
US7733290B2 (en) * 2005-12-19 2010-06-08 Sensormatic Electronics, LLC Merchandise surveillance system antenna and method
US8030926B2 (en) * 2006-03-15 2011-10-04 Albert Einstein College Of Medicine Of Yeshiva University Surface coil arrays for simultaneous reception and transmission with a volume coil and uses thereof
EP2009735A1 (en) * 2007-06-22 2008-12-31 Philippe Herman Antenna with diversity of polarisation for transmitting and/or receiving audio and/or video signals
US8842053B1 (en) * 2008-03-14 2014-09-23 Fluidmotion, Inc. Electrically shortened Yagi having improved performance
US8598878B2 (en) * 2010-07-12 2013-12-03 General Electric Company Inductor assembly for a magnetic resonance imaging system
US8353792B2 (en) * 2010-10-15 2013-01-15 Joe Arroyo Teardrop ring tossing game
CN102938501B (en) * 2012-12-10 2014-09-03 厦门大学 Broadband bidirectional microstrip antenna

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190816A (en) * 1937-10-20 1940-02-20 Hazeltine Corp Antenna
US3210767A (en) 1960-05-03 1965-10-05 Univ Illinois Frequency independent unidirectional antennas
US3434145A (en) * 1966-08-01 1969-03-18 S & A Electronics Inc Double loop antenna array with loops perpendicularly and symmetrically arranged with respect to feed lines
FR2576715B1 (en) * 1985-01-28 1987-03-27 Malcombe Jean Claude A method of making a miniature antenna gain
US5103234A (en) * 1987-08-28 1992-04-07 Sensormatic Electronics Corporation Electronic article surveillance system
US4972198A (en) * 1987-08-31 1990-11-20 Monarch Marking Systems, Inc. Multiple loop antenna
US5103235A (en) * 1988-12-30 1992-04-07 Checkpoint Systems, Inc. Antenna structure for an electronic article surveillance system
US5142292A (en) * 1991-08-05 1992-08-25 Checkpoint Systems, Inc. Coplanar multiple loop antenna for electronic article surveillance systems
US5404147A (en) * 1992-10-28 1995-04-04 Sensormatic Electronics Corporation EAS system loop antenna having three loops of different area
CA2170918C (en) * 1996-03-04 2000-01-11 James Stanley Podger Double-delta turnstile antenna
JPH09260925A (en) * 1996-03-19 1997-10-03 Matsushita Electric Ind Co Ltd Antenna system
CA2172742C (en) * 1996-03-27 1998-12-01 James Stanley Podger Double-delta log-periodic antenna
CA2175095C (en) 1996-04-26 1999-02-09 James Stanley Podger Quadruple-delta antenna structure
CA2179331C (en) 1996-06-18 1998-12-01 James Stanley Podger Expanded quadruple-delta antenna structure
CA2197725C (en) 1997-02-17 2000-05-30 James Stanley Podger The strengthened double-delta antenna structure
CA2223668C (en) * 1998-02-23 2000-07-11 James Stanley Podger The strengthened quad antenna structure
CA2303703C (en) 2000-03-30 2001-09-04 James Stanley Podger The lemniscate antenna element
CA2331347C (en) * 2001-01-12 2002-10-15 James Stanley Podger Diagonal supporting conductors for loop antennas

Also Published As

Publication number Publication date Type
CA2347596C (en) 2004-01-27 grant
US6469674B1 (en) 2002-10-22 grant

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Legal Events

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