IL138935A - A helical hexagon bound opposite - Google Patents

A helical hexagon bound opposite

Info

Publication number
IL138935A
IL138935A IL13893599A IL13893599A IL138935A IL 138935 A IL138935 A IL 138935A IL 13893599 A IL13893599 A IL 13893599A IL 13893599 A IL13893599 A IL 13893599A IL 138935 A IL138935 A IL 138935A
Authority
IL
Israel
Prior art keywords
generalized
node
helical
signal
conductive path
Prior art date
Application number
IL13893599A
Other languages
English (en)
Hebrew (he)
Other versions
IL138935A0 (en
Original Assignee
Kurt L Van Voorhies
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 Kurt L Van Voorhies filed Critical Kurt L Van Voorhies
Publication of IL138935A0 publication Critical patent/IL138935A0/xx
Publication of IL138935A publication Critical patent/IL138935A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/12—Resonant antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/12—Resonant antennas
    • H01Q11/14—Resonant antennas with parts bent, folded, shaped or screened or with phasing impedances, to obtain desired phase relation of radiation from selected sections of the antenna or to obtain desired polarisation effect

Landscapes

  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IL13893599A 1998-04-06 1999-04-06 A helical hexagon bound opposite IL138935A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8078198P 1998-04-06 1998-04-06
US09/285,987 US6320550B1 (en) 1998-04-06 1999-04-05 Contrawound helical antenna
PCT/US1999/007591 WO1999052179A1 (en) 1998-04-06 1999-04-06 Contrawound helical antenna

Publications (2)

Publication Number Publication Date
IL138935A0 IL138935A0 (en) 2001-11-25
IL138935A true IL138935A (en) 2004-07-25

Family

ID=26763923

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13893599A IL138935A (en) 1998-04-06 1999-04-06 A helical hexagon bound opposite

Country Status (10)

Country Link
US (1) US6320550B1 (ko)
EP (1) EP1084521A4 (ko)
JP (1) JP2003529226A (ko)
KR (1) KR20010034757A (ko)
CN (2) CN1123947C (ko)
AU (1) AU749533B2 (ko)
CA (1) CA2327739C (ko)
IL (1) IL138935A (ko)
RU (1) RU2218637C2 (ko)
WO (1) WO1999052179A1 (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7133810B2 (en) * 2000-06-30 2006-11-07 Clemson University Designs for wide band antennas with parasitic elements and a method to optimize their design using a genetic algorithm and fast integral equation technique
US6437751B1 (en) 2000-08-15 2002-08-20 West Virginia University Contrawound antenna
US6593900B1 (en) 2002-03-04 2003-07-15 West Virginia University Flexible printed circuit board antenna
US6819302B2 (en) * 2003-01-15 2004-11-16 Lockheed Martin Corporation Dual port helical-dipole antenna and array
US7212173B2 (en) * 2003-06-30 2007-05-01 Schlumberger Technology Corporation Flex (or printed) circuit axial coils for a downhole logging tool
US8531191B2 (en) 2010-11-22 2013-09-10 General Electric Company Sensor assembly and methods of measuring a proximity of a machine component to a sensor
US8854052B2 (en) 2010-11-22 2014-10-07 General Electric Company Sensor assembly and method of measuring the proximity of a machine component to a sensor
US8593156B2 (en) 2010-11-22 2013-11-26 General Electric Company Sensor assembly and microwave emitter for use in a sensor assembly
US8624603B2 (en) 2010-11-22 2014-01-07 General Electric Company Sensor assembly and methods of adjusting the operation of a sensor
US8482456B2 (en) 2010-12-16 2013-07-09 General Electric Company Sensor assembly and method of measuring the proximity of a machine component to an emitter
CN102157782B (zh) * 2011-03-02 2013-04-17 厦门大学 用于北斗导航系统的旋转式车载天线
US8742319B2 (en) 2011-12-13 2014-06-03 General Electric Company Sensor and inspection system deploying an optical conduit
US20150270597A1 (en) * 2014-03-19 2015-09-24 Google Inc. Spiral Antenna
CN106014582B (zh) 2016-06-15 2019-01-15 宁波菲力克汽配有限公司 一种减震柔性管
JP7193169B2 (ja) * 2018-11-12 2022-12-20 Ｎｅｃプラットフォームズ株式会社 アンテナ、無線通信機器およびアンテナ形成方法
EP3994765A1 (en) * 2019-05-10 2022-05-11 California Institute of Technology Electrically small self-resonant electro-quasistatic exciter and detector with canceled magnetic field

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1792964A (en) 1931-02-17 Antenna
US2740113A (en) 1952-01-03 1956-03-27 Bendix Aviat Corp Magnetic antenna systems
US2836758A (en) 1953-10-12 1958-05-27 Varian Associates Electron discharge device
GB787249A (en) 1953-10-12 1957-12-04 Varian Associates Travelling wave electron discharge device
US2957103A (en) 1954-08-19 1960-10-18 Hughes Aircraft Co High power microwave tube
US2798183A (en) 1954-11-29 1957-07-02 Hughes Aircraft Co Traveling-wave tube
US2853642A (en) 1955-02-23 1958-09-23 Hughes Aircraft Co Traveling-wave tube
US2885641A (en) 1955-04-25 1959-05-05 Hughes Aircraft Co Microwave tube
US2869020A (en) 1955-09-02 1959-01-13 Hughes Aircraft Co Coaxial coupling for traveling-wave tubes
US3011085A (en) 1955-09-30 1961-11-28 Hughes Aircraft Co Traveling wave tube
US2911555A (en) 1957-09-04 1959-11-03 Hughes Aircraft Co Traveling-wave tube
NL258495A (ko) 1957-12-30
US3069588A (en) 1958-09-26 1962-12-18 Raytheon Co Traveling wave tubes
US2947000A (en) * 1958-11-28 1960-07-26 Arthur E Marston Beacon antenna using spiral
US3322996A (en) 1962-12-17 1967-05-30 Varian Associates Electron discharge devices and molybdenum slow wave structures, the molybdenum slow wave structures having grain alignment transverse to the electron path
US3343089A (en) 1965-10-04 1967-09-19 Motorola Inc Quarter wave low profile antenna tuned to half wave resonance by stub; also including a transistor driving stage
US3509465A (en) 1965-10-22 1970-04-28 Sylvania Electric Prod Printed circuit spiral antenna having amplifier and bias feed circuits integrated therein
US3436594A (en) 1965-12-15 1969-04-01 Sfd Lab Inc Slow wave circuit having an array of half wave resonators coupled via an array of quarter wave resonators
US3629937A (en) 1966-11-14 1971-12-28 Chevron Res Method of forming a helical antenna
US3573833A (en) 1969-07-22 1971-04-06 Hughes Aircraft Co Broadband dielectric lens antenna fed by multiconductor quasi-tem lines
US3646562A (en) 1970-06-03 1972-02-29 Us Navy Helical coil coupled to a live tree to provide a radiating antenna
US4004179A (en) 1975-10-20 1977-01-18 Litton Systems, Inc. Slow wave circuit having serially connected contrawound two-turn helices
US4008478A (en) 1975-12-31 1977-02-15 The United States Of America As Represented By The Secretary Of The Army Rifle barrel serving as radio antenna
US4017863A (en) 1976-03-10 1977-04-12 The United States Of America As Represented By The Secretary Of The Navy Hardened electromagnetic wave energy sensor
US4751515A (en) 1980-07-09 1988-06-14 Corum James F Electromagnetic structure and method
US4622558A (en) * 1980-07-09 1986-11-11 Corum Janes F Toroidal antenna
CA1186049A (en) 1980-07-09 1985-04-23 James F. Corum Antenna having a closed standing wave path
JPS63940A (ja) 1986-06-19 1988-01-05 Nec Corp 進行波管の交差螺旋形遅波回路の製造方法
US4890115A (en) 1988-02-10 1989-12-26 Monarch Marking Systems, Inc. Magnetic antenna
US5317233A (en) 1990-04-13 1994-05-31 Varian Associates, Inc. Vacuum tube including grid-cathode assembly with resonant slow-wave structure
US5313216A (en) 1991-05-03 1994-05-17 Georgia Tech Research Corporation Multioctave microstrip antenna
US5220340A (en) 1992-04-29 1993-06-15 Lotfollah Shafai Directional switched beam antenna
US5442369A (en) * 1992-12-15 1995-08-15 West Virginia University Toroidal antenna
US5654723A (en) * 1992-12-15 1997-08-05 West Virginia University Contrawound antenna
US6028558A (en) * 1992-12-15 2000-02-22 Van Voorhies; Kurt L. Toroidal antenna
US5351063A (en) 1993-05-19 1994-09-27 The United States Of America As Represented By The Secretary Of The Army Ultra-wideband high power photon triggered frequency independent radiator with equiangular spiral antenna
US5621422A (en) 1994-08-22 1997-04-15 Wang-Tripp Corporation Spiral-mode microstrip (SMM) antennas and associated methods for exciting, extracting and multiplexing the various spiral modes
US5734353A (en) 1995-08-14 1998-03-31 Vortekx P.C. Contrawound toroidal helical antenna

Also Published As

Publication number Publication date
CA2327739C (en) 2010-01-26
CN1560960A (zh) 2005-01-05
IL138935A0 (en) 2001-11-25
US6320550B1 (en) 2001-11-20
AU4068899A (en) 1999-10-25
RU2218637C2 (ru) 2003-12-10
CN1296650A (zh) 2001-05-23
EP1084521A4 (en) 2004-05-19
CA2327739A1 (en) 1999-10-14
AU749533B2 (en) 2002-06-27
JP2003529226A (ja) 2003-09-30
KR20010034757A (ko) 2001-04-25
WO1999052179A1 (en) 1999-10-14
CN100546099C (zh) 2009-09-30
CN1123947C (zh) 2003-10-08
EP1084521A1 (en) 2001-03-21

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees