NL6817929A - - Google Patents

Info

Publication number
NL6817929A
NL6817929A NL6817929A NL6817929A NL6817929A NL 6817929 A NL6817929 A NL 6817929A NL 6817929 A NL6817929 A NL 6817929A NL 6817929 A NL6817929 A NL 6817929A NL 6817929 A NL6817929 A NL 6817929A
Authority
NL
Netherlands
Application number
NL6817929A
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 filed Critical
Publication of NL6817929A publication Critical patent/NL6817929A/xx

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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/36—Vertical arrangement of element with top loading
    • 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
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical 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
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
NL6817929A 1967-12-15 1968-12-13 NL6817929A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR132555 1967-12-15
FR141294 1968-02-26

Publications (1)

Publication Number Publication Date
NL6817929A true NL6817929A (en) 1969-06-17

Family

ID=26181627

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6817929A NL6817929A (en) 1967-12-15 1968-12-13

Country Status (5)

Country Link
US (1) US3573840A (en)
CH (1) CH499888A (en)
DE (1) DE1813292B2 (en)
GB (1) GB1198410A (en)
NL (1) NL6817929A (en)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852756A (en) * 1974-02-15 1974-12-03 Us Navy Electrically small resonant antenna with capacitively coupled load
US3932876A (en) * 1974-08-09 1976-01-13 Rca Corporation Short end-fire circularly polarized antenna
US3946397A (en) * 1974-12-16 1976-03-23 Motorola, Inc. Inductor or antenna arrangement with integral series resonating capacitors
US4148030A (en) * 1977-06-13 1979-04-03 Rca Corporation Helical antennas
US4205318A (en) * 1979-01-15 1980-05-27 Pisano Vincent F Mini-indoor TV antenna
US4495503A (en) * 1982-02-19 1985-01-22 Morman William H Slow wave antenna
US4675690A (en) * 1984-05-25 1987-06-23 Revlon, Inc. Conical spiral antenna
US4945363A (en) * 1984-05-25 1990-07-31 Revlon, Inc. Conical spiral antenna
JPS6367903A (en) * 1986-09-10 1988-03-26 Aisin Seiki Co Ltd Antenna system
US4896162A (en) * 1987-03-16 1990-01-23 Hughes Aircraft Company Capacitance loaded monopole antenna
GB2202380A (en) * 1987-03-20 1988-09-21 Philips Electronic Associated Helical antenna
FR2624656B1 (en) * 1987-12-10 1990-05-18 Centre Nat Etd Spatiales PROPELLER-TYPE ANTENNA AND ITS MANUFACTURING METHOD
US5517206A (en) * 1991-07-30 1996-05-14 Ball Corporation Broad band antenna structure
SE468917B (en) * 1991-08-16 1993-04-05 Ericsson Ge Mobile Communicat MINIATURE ANTENNA
CA2061743C (en) * 1992-02-24 1996-05-14 Peter Charles Strickland End loaded helix antenna
US5479182A (en) * 1993-03-01 1995-12-26 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Communications Short conical antenna
DE4308604A1 (en) * 1993-03-18 1994-09-22 Kolbe & Co Hans Linear antenna array having an omnidirectional characteristic
FR2711277B1 (en) * 1993-10-14 1995-11-10 Alcatel Mobile Comm France Antenna of the type for portable radio device, method of manufacturing such an antenna and portable radio device comprising such an antenna.
GB9417450D0 (en) 1994-08-25 1994-10-19 Symmetricom Inc An antenna
EP0777920B1 (en) * 1994-08-26 1998-09-16 Westinghouse Electric Corporation Nonsquinting end-fed quadrifilar helical antenna
US5688357A (en) * 1995-02-15 1997-11-18 Applied Materials, Inc. Automatic frequency tuning of an RF power source of an inductively coupled plasma reactor
GB9601250D0 (en) * 1996-01-23 1996-03-27 Symmetricom Inc An antenna
GB9603914D0 (en) * 1996-02-23 1996-04-24 Symmetricom Inc An antenna
US6112102A (en) * 1996-10-04 2000-08-29 Telefonaktiebolaget Lm Ericsson Multi-band non-uniform helical antennas
US5963871A (en) * 1996-10-04 1999-10-05 Telefonaktiebolaget Lm Ericsson Retractable multi-band antennas
GB2322011A (en) * 1997-02-04 1998-08-12 Ico Services Ltd Antenna and fabrication method
JPH10247808A (en) * 1997-03-05 1998-09-14 Murata Mfg Co Ltd Chip antenna and frequency adjustment method therefor
DE69834150T2 (en) * 1997-03-05 2007-01-11 Murata Mfg. Co., Ltd., Nagaokakyo Mobile picture device and antenna device therefor
US6329962B2 (en) 1998-08-04 2001-12-11 Telefonaktiebolaget Lm Ericsson (Publ) Multiple band, multiple branch antenna for mobile phone
US6445352B1 (en) * 1997-11-22 2002-09-03 Fractal Antenna Systems, Inc. Cylindrical conformable antenna on a planar substrate
JP3041520B2 (en) 1998-01-19 2000-05-15 株式会社トーキン antenna
GB9813002D0 (en) 1998-06-16 1998-08-12 Symmetricom Inc An antenna
US6166694A (en) * 1998-07-09 2000-12-26 Telefonaktiebolaget Lm Ericsson (Publ) Printed twin spiral dual band antenna
US6353443B1 (en) 1998-07-09 2002-03-05 Telefonaktiebolaget Lm Ericsson (Publ) Miniature printed spiral antenna for mobile terminals
US6078298A (en) * 1998-10-26 2000-06-20 Terk Technologies Corporation Di-pole wide bandwidth antenna
US6343208B1 (en) 1998-12-16 2002-01-29 Telefonaktiebolaget Lm Ericsson (Publ) Printed multi-band patch antenna
GB9828768D0 (en) 1998-12-29 1999-02-17 Symmetricom Inc An antenna
GB9902765D0 (en) 1999-02-08 1999-03-31 Symmetricom Inc An antenna
GB9912441D0 (en) 1999-05-27 1999-07-28 Symmetricon Inc An antenna
WO2001003236A1 (en) * 1999-07-01 2001-01-11 Avantego Ab Antenna arrangement and method
SG97800A1 (en) * 1999-07-16 2003-08-20 Nec Tokin Corp Antenna having a helical antenna element extending along a cylindrical flexible substrate
US6685798B1 (en) * 2000-07-06 2004-02-03 Applied Materials, Inc Plasma reactor having a symmetrical parallel conductor coil antenna
US6414648B1 (en) 2000-07-06 2002-07-02 Applied Materials, Inc. Plasma reactor having a symmetric parallel conductor coil antenna
US6409933B1 (en) 2000-07-06 2002-06-25 Applied Materials, Inc. Plasma reactor having a symmetric parallel conductor coil antenna
US6462481B1 (en) 2000-07-06 2002-10-08 Applied Materials Inc. Plasma reactor having a symmetric parallel conductor coil antenna
US6694915B1 (en) 2000-07-06 2004-02-24 Applied Materials, Inc Plasma reactor having a symmetrical parallel conductor coil antenna
GB2376132A (en) * 2001-06-01 2002-12-04 David Ganeshmoorthy Helical antenna inside insulating cylinder
US6791508B2 (en) 2002-06-06 2004-09-14 The Boeing Company Wideband conical spiral antenna
US7038636B2 (en) * 2003-06-18 2006-05-02 Ems Technologies Cawada, Ltd. Helical antenna
JP2005210564A (en) * 2004-01-26 2005-08-04 Alps Electric Co Ltd Antenna device
JP2006135899A (en) * 2004-11-09 2006-05-25 Alps Electric Co Ltd Antenna system
EP1826874A1 (en) * 2006-02-27 2007-08-29 Alps Electric Co., Ltd. Antenna device having enhanced reception sensitivity in wide bands
JP4862540B2 (en) * 2006-08-01 2012-01-25 パナソニック株式会社 Antenna device
US7714795B2 (en) * 2007-08-23 2010-05-11 Research In Motion Limited Multi-band antenna apparatus disposed on a three-dimensional substrate, and associated methodology, for a radio device
ES2359074B1 (en) * 2008-10-08 2012-03-23 Jesus Almazan Sanchez ANTENNA.
JP5676621B2 (en) * 2009-10-16 2015-02-25 イーエムエス・テクノロジーズ・カナダ，リミテッド Spherical perturbation of array antenna
US20110215984A1 (en) * 2010-03-03 2011-09-08 Coburn William O'keefe Coaxial helical antenna
WO2012100125A2 (en) * 2011-01-20 2012-07-26 Delaware Capital Formation, Inc. Spiralpole small antenna system
US10036364B2 (en) * 2011-08-10 2018-07-31 Imagineering, Inc. Internal combustion engine
ITFI20130071A1 (en) * 2013-03-29 2014-09-30 Domenico Caputo HIGH GAIN ANTENNA FOR RECEIVING TRANSMISSION OF DIGITAL, SATELLITE AND TELEPHONE RADIO / TELEVISION CHANNELS
FR3008550B1 (en) * 2013-07-15 2015-08-21 Inst Mines Telecom Telecom Bretagne STOP-TYPE ANTENNA AND ANTENNA STRUCTURE AND ANTENNA ASSEMBLY THEREOF
US10965012B2 (en) * 2015-08-28 2021-03-30 Huawei Technologies Co., Ltd. Multi-filar helical antenna
US10931019B1 (en) * 2015-12-14 2021-02-23 Lockheed Martin Corporation Helix antenna
US11682841B2 (en) * 2021-09-16 2023-06-20 Eagle Technology, Llc Communications device with helically wound conductive strip and related antenna devices and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2174353A (en) * 1937-05-06 1939-09-26 Rca Corp Transmission of waves with rotary polarization
BE475850A (en) * 1946-09-17
FR1459298A (en) * 1965-10-08 1966-04-29 Csf Longitudinal radiating resonant antenna

Also Published As

Publication number Publication date
DE1813292A1 (en) 1969-08-14
US3573840A (en) 1971-04-06
CH499888A (en) 1970-11-30
DE1813292B2 (en) 1971-11-04
GB1198410A (en) 1970-07-15

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