EP0320404B1 - Antenne de type hélice et son procédé de réalisation - Google Patents
Antenne de type hélice et son procédé de réalisation Download PDFInfo
- Publication number
- EP0320404B1 EP0320404B1 EP88403145A EP88403145A EP0320404B1 EP 0320404 B1 EP0320404 B1 EP 0320404B1 EP 88403145 A EP88403145 A EP 88403145A EP 88403145 A EP88403145 A EP 88403145A EP 0320404 B1 EP0320404 B1 EP 0320404B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- zone
- radiating
- type antenna
- strip
- 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.)
- Expired - Lifetime
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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
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—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
Definitions
- the invention relates to a helix-type antenna and its manufacturing method.
- the propeller type antennas have the advantage of radiating an electromagnetic wave in good quality circular polarization over a wide coverage and with an emission lobe possibly formed.
- this type of antenna generally comprises four radiating strands which it is necessary to supply according to laws of adequate amplitude and phase.
- the four radiating strands are wound on a circular sleeve with a pitch p, along a guideline of the sleeve, corresponding to an angular offset of ⁇ 2 . rd and each strand is supplied from a signal having a relative successive angular phase shift equal to ⁇ 2 .
- the radiating strands noted successively 2, 3, 4 are supplied with signals of the same amplitude A but of successive phase relative to -90 ° , - 180 °, - 270 °.
- the excitation is done firstly through a hybrid coupler which separates the energy into two equal-amplitude channels and phase shifted relative to each other by 90 ° .
- a double balun housed in the axis of the antenna, makes it possible to pass, for each of the two channels, from the coaxial line to the diametrically opposite strands. The latter are therefore supplied by equal amplitudes and in phase opposition.
- Using a compensated balun allows the operating frequency range of the antenna to be adjusted.
- a hybrid coupler makes it possible to separate the energy into two equal-amplitude channels and in phase quadrature.
- the energy is then conveyed to the supply point by two of the radiating strands which are, in fact, made up of coaxial cables then it is distributed at equal amplitudes and in phase opposition between the diametrically opposite strands, some connected to the cores of the coaxial, the others formed by the external part of the shielding of the coaxials themselves.
- the coaxial supply line is split at its end to constitute a balun.
- the distribution of the energy in quadrature between the two bi-helices is carried out by adjusting the length, therefore the reactance, of the radiating strands.
- the four radiating strands are supplied from a distributor.
- the other end of the strands, relative to the end constituting the feed point is either in open circuit with then a length of strands equal to an odd whole number of quarter wavelengths, or a short circuit with a length of strands equal to an integer number of half-wavelengths.
- a true open circuit is impossible to achieve, unlike a good short circuit.
- the four strands are generally short-circuited together at the end opposite to the supply point, this short-circuit being produced in the form of a cross as shown in FIG. 1f.
- the object of the present invention is to remedy the aforementioned drawbacks by using a particularly simple helical antenna structure.
- Another object of the present invention is the implementation of a helix type antenna of particularly reduced weight and size.
- Another object of the present invention is the implementation of a helix type antenna with very high reproducibility of radiation pattern characteristics.
- Another object of the present invention is finally the implementation of a method of manufacturing a helix type antenna, particularly simple and very easily adaptable on an industrial scale with very high reproducibility and automation qualities.
- the antenna of the helix type object of the invention, comprises at least two radiating strands wound in a helix according to a form of revolution. It is remarkable in that it comprises a supply circuit, of said radiating strands, constituted by a transmission line of the ribbon line type ensuring both the power distribution function and the adaptation of the radiating strands of the 'antenna.
- the method of manufacturing a helix-type antenna in accordance with the subject of the invention is remarkable in that it consists in cutting a flexible double-sided printed circuit sheet with the corresponding dimensions of a sleeve of revolution, on said printed circuit, to delimit a first zone intended to contain said ribbon line and a second zone intended to contain said radiating strands, on a first face of the printed circuit, to remove metallization at said second zone, said metallization being maintained over the whole of the first zone to constitute said reference propagation plane, on the second face of said printed circuit, to be formed by removal of material, at the level of the second zone, on the one hand , from said metallization in defined zones, said radiating strands and said annular conductive zone, and at the level of the first zone on the other hand, a conductive zone forming with said reference propagation plane said strip line, for winding the sheet of printed circuit, side of the reference propagation plane or strand side on the sleeve, the radiating strands being suitably oriented.
- the invention finds application in the manufacture and realization of antennas of the propeller type used in ground / satellite telecommunication links with scrolling or mobiles / geostationary relays, and in radiolocation.
- the antenna object of the invention is a helix type antenna comprising at least two radiating strands wound in a helix according to a form of revolution.
- the helix type antenna according to the invention comprises at least two radiating strands denoted 11, 12, 13 or 14 wound in a helix in a circular shape around a sleeve 1 for example.
- FIG. 2a which shows the antenna in developed form according to a particular embodiment of the invention, there is shown in dotted lines the sleeve 1 on which the antenna is normally wound to constitute the antenna actually obtained as shown in Figure 2b.
- the antenna of the propeller type which is the subject of the invention, it comprises a supply circuit denoted 2 by the radiating strands.
- This circuit consists of a transmission line of the ribbon line type denoted 20.
- the ribbon line 20 performs both the power distribution function and the impedance matching of the radiating strands of the antenna.
- the helix-type antenna object of the invention comprises four radiating strands denoted 11, 12, 13 and 14.
- Each radiating strand is constituted by a metallized zone in shape of strip wound in a helix on the lateral surface of the sleeve 1.
- Each strip constituting the radiating strands 11, 12, 13 and 14 is spaced from the next along a guideline of the sleeve 1 by a determined distance P.
- the radiating strands are inclined at an angle ⁇ with respect to any guideline of the sleeve 1 and are thus wound in a helix.
- the transmission line 20 constituting the latter can advantageously be constituted by a meander line denoted 200 in FIGS. 2a and 2b.
- Each radiating strand 11, 12 13 and 14 is at its supply point denoted 110, 120, 130, 140 or entry end, connected in electrical contact with the strip constituting the meander line 200.
- the electrical distance on the meandering line between two entry points of two consecutive radiating strands, entry points such as 110, 120, 130 and 140 is equal at an odd multiple of quarter wavelength of the transmit-receive signal propagating in the ribbon line under consideration.
- each feed point or entry point 110, 120, 130 and 140 of the radiating strands 11, 12, 13 and 14 is supplied by signals of equal amplitude, respectively phase-shifted by ⁇ / 2 rd, that is to say in the supply conditions as shown in FIG. 1a.
- the adaptation function of the radiating strands can advantageously be achieved by the use of line sections 201, 202, 203, 204, of variable width, thus constituting the line 20, as shown in FIG. 2d, and by the sections 110 to 112 , 120 to 122, 130 to 132 and 140 to 142 of the radiating strands.
- the end of the strands opposite the input ends 110, 120, 130, 140, end noted 111, 121, 131, 141 in FIGS. 2a and 2b is advantageously connected in short circuit to the same annular conductive zone 100.
- one end of one of the radiating strands 111, 121, 131, 141 is necessarily short-circuited, that is to say with an amplitude of field electric zero and all opposite ends 111, 121, 131, 141 by the connection to the conductive area, are thus short-circuited.
- the annular conductive zone 100 thus imposes a short circuit on the end of the four radiating strands 11, 12, 13 and 14.
- the ribbon line 200 constituting the supply circuit 2 comprises a sheet of dielectric material 2000, of which a first face intended to be applied to the lateral surface of the sleeve 1 is entirely metallized, to constitute a reference propagation plane denoted 2001.
- a second face of the sheet of dielectric material 2000 opposite the first face comprises a metal strip 2002, forming with the first metallized face 2001, the ribbon line 20.
- the supply circuit 2 constituted by a ribbon line 20, radiating strands 11, 12, 13 and 14 and the annular conductive zone 100 short circuits are formed on the same sheet of dielectric material.
- FIG. 2b shows a front view of the antenna obtained after mounting, that is to say after winding of the sheet of dielectric material 2000, provided with its various conductive zones around the sleeve 1.
- FIGS. 3 and 4 A method of producing a helix-type antenna in accordance with the object of the invention will be described in conjunction with FIGS. 3 and 4, and in particular with FIG. 3 at points a, b, c, d, of that -this.
- the production method may consist, as shown in point a) of FIG. 3, of cutting a sheet 10 of printed circuit flexible, double-sided, the double-sided being denoted 101, 102 and provided with a metallization, with the corresponding dimensions for a cylindrical sleeve 1 of given dimension.
- the printed circuit sheet may be constituted by a sheet of high quality, of which the sheet of dielectric material 2000 consists for example of a sheet of plastic material such as kapton or polytetrafluoroethylene reinforced with glass.
- the method can then consist in delimiting on the printed circuit sheet 10 a first zone denoted I intended to contain said ribbon line and a second zone denoted II intended to contain the radiant strands.
- the embodiment then consists in removing on a first face of the printed circuit 10, in particular at the level of the second zone denoted II, the metallization 101 for example, this same metallization 101 being maintained over the entire first zone of the same face to constitute the reference propagation plane noted 2001.
- the embodiment then consists in forming by removing material on the second face of the printed circuit 10 at the level of the second zone on the one hand, of the metallization 102, according to determined zones, the radiating strands 11, 12, 13 and 14 and the annular conductive zone 100.
- a conductive zone is then formed constituting with the reference propagation plane 2001, the ribbon line 20.
- the aforementioned conductive zone can then be constituted by a conductive zone denoted 200 constituting the meandering line.
- the sheet thus obtained in FIG. 3c, provided with its various conductive zones, is then wound on the sleeve 1, the side of the reference propagation plane 2001 or the strand side being pressed against the lateral surface of the sleeve 1.
- the sleeve can then be withdrawn or not.
- the radiating strands 11, 12, 13 and 14 are suitably oriented.
- the step consisting in cutting the flexible printed circuit sheet 10 double-sided with the corresponding dimensions of the cylindrical sleeve 1, can advantageously be carried out by stamping from an appropriate cutting tool.
- the cutting of the double-sided printed circuit sheet 10, with the dimensions corresponding to those of the sleeve 1 may consist, for example, of cutting the aforementioned sheet along a contour whose shape corresponds to that of a rectangle whose length L corresponds to the perimeter of the section of the sleeve 1, and whose width 1 has a determined value.
- this shape includes a parallelogram superimposed on the aforementioned rectangle.
- This parallelogram includes a small side noted a, which corresponds to the length L of the aforementioned rectangle, and whose height h is such that the width 1 of the rectangle increased by the height h of the parallelogram is equal to the height H of the sleeve 1, thus that it has been represented in FIG.
- the sleeve 1 of substantially corresponding dimension being represented in line with the cut out printed circuit sheet.
- the angle of the parallelogram corresponds to the helical winding angle of the radiating strands on the sleeve 1, the radiating strands 11, 12, 13 and 14, then being formed, as described above, parallel to the corresponding sides of the above parallelogram.
- a suitable connector 30 can then be put in place at the end 25 of the line 20 by a conventional technique, such as screwing, clamping, welding or gluing.
- the propeller type antenna object of the invention may also, as shown in Figures 5a and 5b, include at least one strand radiating 11, 12, 13, 14 wound in a helix according to a form of conical revolution.
- the process which is the subject of the invention in its various stages of etching the supply circuit 200, the radiating strands 11, 12, 13, 14 and the possible final short circuit 100 can, of course, be applied to any antenna of developable shape and, in particular, with conical helix antennas.
- the production method differs from that of cylindrical helix antennas only in the particular shape of the developed circuit, and in the shape in which it is wound.
- a helix type antenna and its embodiment on an industrial scale have thus been described, which is particularly advantageous. Indeed, due to its design, the antenna object of the invention has a very high degree of reproducibility in its mechanical and electromagnetic characteristics. In addition, due to the design of the propeller-type antenna that is the subject of the invention, an implementation and production method has been defined, which allows production of this type of antenna on an industrial scale with very high reliability criteria.
Landscapes
- Details Of Aerials (AREA)
- Manufacture Of Motors, Generators (AREA)
- Windings For Motors And Generators (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88403145T ATE86413T1 (de) | 1987-12-10 | 1988-12-09 | Wendeltyp-antenne und verfahren zu ihrer herstellung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8717218 | 1987-12-10 | ||
FR8717218A FR2624656B1 (fr) | 1987-12-10 | 1987-12-10 | Antenne de type helice et son procede de realisation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0320404A1 EP0320404A1 (fr) | 1989-06-14 |
EP0320404B1 true EP0320404B1 (fr) | 1993-03-03 |
Family
ID=9357724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88403145A Expired - Lifetime EP0320404B1 (fr) | 1987-12-10 | 1988-12-09 | Antenne de type hélice et son procédé de réalisation |
Country Status (8)
Country | Link |
---|---|
US (1) | US5134422A (ja) |
EP (1) | EP0320404B1 (ja) |
JP (1) | JPH0758858B2 (ja) |
AT (1) | ATE86413T1 (ja) |
CA (1) | CA1291560C (ja) |
DE (1) | DE3878862T2 (ja) |
ES (1) | ES2038328T3 (ja) |
FR (1) | FR2624656B1 (ja) |
Cited By (4)
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---|---|---|---|---|
US5909196A (en) * | 1996-12-20 | 1999-06-01 | Ericsson Inc. | Dual frequency band quadrifilar helix antenna systems and methods |
US5920292A (en) * | 1996-12-20 | 1999-07-06 | Ericsson Inc. | L-band quadrifilar helix antenna |
US6181297B1 (en) | 1994-08-25 | 2001-01-30 | Symmetricom, Inc. | Antenna |
US6300917B1 (en) | 1999-05-27 | 2001-10-09 | Sarantel Limited | Antenna |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2654554B1 (fr) * | 1989-11-10 | 1992-07-31 | France Etat | Antenne en helice, quadrifilaire, resonnante bicouche. |
DE69028919T2 (de) * | 1990-01-08 | 1997-02-13 | Toyo Communication Equip | Wendelantenne mit geteilter vierdrahtwicklung und verfahren zu deren herstellung |
JPH0426203A (ja) * | 1990-05-21 | 1992-01-29 | Furuno Electric Co Ltd | ヘリカルアンテナ |
GB2246910B (en) * | 1990-08-02 | 1994-12-14 | Polytechnic Electronics Plc | A radio frequency antenna |
US5198831A (en) * | 1990-09-26 | 1993-03-30 | 501 Pronav International, Inc. | Personal positioning satellite navigator with printed quadrifilar helical antenna |
US5559524A (en) * | 1991-03-18 | 1996-09-24 | Hitachi, Ltd. | Antenna system including a plurality of meander conductors for a portable radio apparatus |
US5343173A (en) * | 1991-06-28 | 1994-08-30 | Mesc Electronic Systems, Inc. | Phase shifting network and antenna and method |
JP2719857B2 (ja) * | 1991-07-11 | 1998-02-25 | シャープ株式会社 | 4線式バックファイヤヘリカルアンテナ |
US5346300A (en) * | 1991-07-05 | 1994-09-13 | Sharp Kabushiki Kaisha | Back fire helical antenna |
JP2717741B2 (ja) * | 1991-12-16 | 1998-02-25 | シャープ株式会社 | 4線式ヘリカルアンテナ |
US5349365A (en) * | 1991-10-21 | 1994-09-20 | Ow Steven G | Quadrifilar helix antenna |
US5541617A (en) * | 1991-10-21 | 1996-07-30 | Connolly; Peter J. | Monolithic quadrifilar helix antenna |
WO1993022804A1 (en) * | 1992-04-24 | 1993-11-11 | Industrial Research Limited | Steerable beam helix antenna |
US5349362A (en) * | 1992-06-19 | 1994-09-20 | Forbes Mark M | Concealed antenna applying electrically-shortened elements and durable construction |
US5485170A (en) * | 1993-05-10 | 1996-01-16 | Amsc Subsidiary Corporation | MSAT mast antenna with reduced frequency scanning |
US5577026A (en) * | 1993-12-28 | 1996-11-19 | Analogic Corporation | Apparatus for transferring data to and from a moving device |
JPH07240616A (ja) * | 1994-02-28 | 1995-09-12 | Matsushita Electric Ind Co Ltd | ヘリカルアンテナ及び無線電話機 |
US6011524A (en) * | 1994-05-24 | 2000-01-04 | Trimble Navigation Limited | Integrated antenna system |
US5635945A (en) * | 1995-05-12 | 1997-06-03 | Magellan Corporation | Quadrifilar helix antenna |
DE69522668T2 (de) * | 1995-05-17 | 2002-06-20 | Murata Manufacturing Co | Oberflächenmontierbares Antennensystem |
US5793338A (en) * | 1995-08-09 | 1998-08-11 | Qualcomm Incorporated | Quadrifilar helix antenna and feed network |
US5838285A (en) * | 1995-12-05 | 1998-11-17 | Motorola, Inc. | Wide beamwidth antenna system and method for making the same |
GB9601250D0 (en) * | 1996-01-23 | 1996-03-27 | Symmetricom Inc | An antenna |
GB9603914D0 (en) * | 1996-02-23 | 1996-04-24 | Symmetricom Inc | An antenna |
FR2746547B1 (fr) * | 1996-03-19 | 1998-06-19 | France Telecom | Antenne helice a alimentation large bande integree, et procedes de fabrication correspondants |
US5990847A (en) * | 1996-04-30 | 1999-11-23 | Qualcomm Incorporated | Coupled multi-segment helical antenna |
US5872549A (en) * | 1996-04-30 | 1999-02-16 | Trw Inc. | Feed network for quadrifilar helix antenna |
US5706019A (en) * | 1996-06-19 | 1998-01-06 | Motorola, Inc. | Integral antenna assembly for a radio and method of manufacturing |
FR2751137B1 (fr) * | 1996-07-10 | 1998-11-06 | Centre Nat Etd Spatiales | Dispositif d'emission a antenne omnidirectionnelle |
US6278414B1 (en) * | 1996-07-31 | 2001-08-21 | Qualcomm Inc. | Bent-segment helical antenna |
US5986620A (en) * | 1996-07-31 | 1999-11-16 | Qualcomm Incorporated | Dual-band coupled segment helical antenna |
JPH10145125A (ja) * | 1996-09-10 | 1998-05-29 | Murata Mfg Co Ltd | アンテナ装置 |
US6184845B1 (en) * | 1996-11-27 | 2001-02-06 | Symmetricom, Inc. | Dielectric-loaded antenna |
US5896113A (en) * | 1996-12-20 | 1999-04-20 | Ericsson Inc. | Quadrifilar helix antenna systems and methods for broadband operation in separate transmit and receive frequency bands |
US6025816A (en) * | 1996-12-24 | 2000-02-15 | Ericsson Inc. | Antenna system for dual mode satellite/cellular portable phone |
GB2322011A (en) * | 1997-02-04 | 1998-08-12 | Ico Services Ltd | Antenna and fabrication method |
FR2759814B1 (fr) * | 1997-02-14 | 1999-04-30 | Dassault Electronique | Elements d'antenne hyperfrequence en helice |
JP3314654B2 (ja) * | 1997-03-14 | 2002-08-12 | 日本電気株式会社 | ヘリカルアンテナ |
KR20010005605A (ko) * | 1997-03-27 | 2001-01-15 | 밀러 럿셀 비 | 안테나 및 안테나의 급전망 |
US6184844B1 (en) | 1997-03-27 | 2001-02-06 | Qualcomm Incorporated | Dual-band helical antenna |
JP3189735B2 (ja) * | 1997-05-08 | 2001-07-16 | 日本電気株式会社 | ヘリカルアンテナ |
US5943027A (en) * | 1997-10-03 | 1999-08-24 | Motorola, Inc. | Telescopic antenna assembly |
GB2331630B (en) * | 1997-11-20 | 2001-12-05 | Nec Technologies | Retractable antenna for a mobile telephone |
FI113814B (fi) | 1997-11-27 | 2004-06-15 | Nokia Corp | Monilankaiset helix-antennit |
JP3041520B2 (ja) * | 1998-01-19 | 2000-05-15 | 株式会社トーキン | アンテナ |
SE514530C2 (sv) | 1998-05-18 | 2001-03-12 | Allgon Ab | Antennanordning omfattande kapacitivt kopplade radiotorelement och en handburen radiokommunikationsanordning för en sådan antennanordning |
SE514568C2 (sv) * | 1998-05-18 | 2001-03-12 | Allgon Ab | Antennanordning omfattande matningsmedel och en handburen radiokommunikationsanordning för en sådan antennanordning |
GB9813002D0 (en) | 1998-06-16 | 1998-08-12 | Symmetricom Inc | An antenna |
US6107977A (en) * | 1998-08-19 | 2000-08-22 | Qualcomm Incorporated | Helical antenna assembly and tool for assembling same |
JP3542505B2 (ja) * | 1998-09-28 | 2004-07-14 | 三菱電機株式会社 | アンテナ給電回路 |
GB9828768D0 (en) | 1998-12-29 | 1999-02-17 | Symmetricom Inc | An antenna |
GB9902765D0 (en) | 1999-02-08 | 1999-03-31 | Symmetricom Inc | An antenna |
JP2000341024A (ja) * | 1999-05-13 | 2000-12-08 | K Cera Inc | ヘリカルアンテナ、その製造装置及び製造方法 |
WO2001001518A1 (fr) * | 1999-06-29 | 2001-01-04 | Mitsubishi Denki Kabushiki Kaisha | Dispositif d'antenne |
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JP2001102852A (ja) * | 1999-09-29 | 2001-04-13 | Nippon Antenna Co Ltd | ヘリカルアンテナ |
US6229499B1 (en) | 1999-11-05 | 2001-05-08 | Xm Satellite Radio, Inc. | Folded helix antenna design |
US7039437B2 (en) * | 2001-09-17 | 2006-05-02 | Nokia Corporation | Internal broadcast reception system for mobile phones |
JP2003110337A (ja) * | 2001-09-28 | 2003-04-11 | Mitsumi Electric Co Ltd | 4点給電ループアンテナ |
US6559804B2 (en) * | 2001-09-28 | 2003-05-06 | Mitsumi Electric Co., Ltd. | Electromagnetic coupling type four-point loop antenna |
US6535179B1 (en) | 2001-10-02 | 2003-03-18 | Xm Satellite Radio, Inc. | Drooping helix antenna |
US6816122B2 (en) * | 2002-01-29 | 2004-11-09 | Mitsumi Electric Co., Ltd. | Four-point feeding loop antenna capable of easily obtaining an impedance match |
US6621458B1 (en) | 2002-04-02 | 2003-09-16 | Xm Satellite Radio, Inc. | Combination linearly polarized and quadrifilar antenna sharing a common ground plane |
US6788272B2 (en) * | 2002-09-23 | 2004-09-07 | Andrew Corp. | Feed network |
GB2399948B (en) * | 2003-03-28 | 2006-06-21 | Sarantel Ltd | A dielectrically-loaded antenna |
US7372427B2 (en) * | 2003-03-28 | 2008-05-13 | Sarentel Limited | Dielectrically-loaded antenna |
US7038636B2 (en) * | 2003-06-18 | 2006-05-02 | Ems Technologies Cawada, Ltd. | Helical antenna |
US7233298B2 (en) * | 2003-10-30 | 2007-06-19 | Wavetest Systems, Inc. | High performance antenna |
ATE429721T1 (de) * | 2004-06-11 | 2009-05-15 | Ruag Aerospace Sweden Ab | Wendelantenne aus vier leitern |
TWI244237B (en) * | 2004-11-12 | 2005-11-21 | Emtac Technology Corp | Quadri-filar helix antenna structure |
GB2434037B (en) * | 2006-01-06 | 2009-10-14 | Antenova Ltd | Laptop computer antenna device |
US7554509B2 (en) * | 2006-08-25 | 2009-06-30 | Inpaq Technology Co., Ltd. | Column antenna apparatus and method for manufacturing the same |
US20080062060A1 (en) * | 2006-09-13 | 2008-03-13 | Junichi Noro | Antenna and receiver having the same |
JP4766260B2 (ja) * | 2006-09-20 | 2011-09-07 | ミツミ電機株式会社 | アンテナ装置 |
FR2916581B1 (fr) * | 2007-05-21 | 2009-08-28 | Cnes Epic | Antenne de type helice. |
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 |
FR2920917B1 (fr) * | 2007-09-11 | 2010-08-20 | Centre Nat Etd Spatiales | Antenne de type helice a brins rayonnants a motif sinusoidal et procede de fabrication associe. |
US8106846B2 (en) * | 2009-05-01 | 2012-01-31 | Applied Wireless Identifications Group, Inc. | Compact circular polarized antenna |
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USD815071S1 (en) * | 2012-05-29 | 2018-04-10 | Airgain Incorporated | Multi-element antenna |
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Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1160874A (fr) * | 1956-11-21 | 1958-08-12 | Csf | Perfectionnements aux antennes directives |
US3381371A (en) * | 1965-09-27 | 1968-05-07 | Sanders Associates Inc | Method of constructing lightweight antenna |
CH499888A (fr) * | 1967-12-15 | 1970-11-30 | Onera (Off Nat Aerospatiale) | Antenne à un seul conducteur enroulé hélicoïdalement de dimensions réduites, et procédé pour sa fabrication |
FR1577323A (ja) * | 1968-02-26 | 1969-08-08 | ||
US3508269A (en) * | 1968-05-02 | 1970-04-21 | Us Air Force | Active retrodirective antenna array employing spiral elements and tunnel diode amplifiers |
US3778839A (en) * | 1971-07-30 | 1973-12-11 | Hallicrafters Co | Double ridged wave guide feed for signal antenna |
US4012744A (en) * | 1975-10-20 | 1977-03-15 | Itek Corporation | Helix-loaded spiral antenna |
US4008479A (en) * | 1975-11-03 | 1977-02-15 | Chu Associates, Inc. | Dual-frequency circularly polarized spiral antenna for satellite navigation |
US4114164A (en) * | 1976-12-17 | 1978-09-12 | Transco Products, Inc. | Broadband spiral antenna |
US4349824A (en) * | 1980-10-01 | 1982-09-14 | The United States Of America As Represented By The Secretary Of The Navy | Around-a-mast quadrifilar microstrip antenna |
JPS5799006A (en) * | 1980-12-12 | 1982-06-19 | Nec Corp | Helical antenna |
JPS5888463A (ja) * | 1981-11-20 | 1983-05-26 | Hitachi Ltd | 内燃機関用配電器 |
US4525720A (en) * | 1982-10-15 | 1985-06-25 | The United States Of America As Represented By The Secretary Of The Navy | Integrated spiral antenna and printed circuit balun |
JPS60214602A (ja) * | 1984-04-10 | 1985-10-26 | Mitsubishi Electric Corp | ブランチラインカツプラ |
US4675690A (en) * | 1984-05-25 | 1987-06-23 | Revlon, Inc. | Conical spiral antenna |
JPS6142112U (ja) * | 1984-08-21 | 1986-03-18 | 日本無線株式会社 | 4線分数巻ヘリカルアンテナ |
US4780723A (en) * | 1986-02-21 | 1988-10-25 | The Singer Company | Microstrip antenna compressed feed |
US4847627A (en) * | 1987-09-08 | 1989-07-11 | Lockheed Corporation | Compact wave antenna system |
-
1987
- 1987-12-10 FR FR8717218A patent/FR2624656B1/fr not_active Expired - Lifetime
-
1988
- 1988-11-29 US US07/277,284 patent/US5134422A/en not_active Expired - Lifetime
- 1988-12-07 CA CA000585406A patent/CA1291560C/fr not_active Expired - Lifetime
- 1988-12-09 EP EP88403145A patent/EP0320404B1/fr not_active Expired - Lifetime
- 1988-12-09 AT AT88403145T patent/ATE86413T1/de not_active IP Right Cessation
- 1988-12-09 DE DE8888403145T patent/DE3878862T2/de not_active Expired - Lifetime
- 1988-12-09 ES ES198888403145T patent/ES2038328T3/es not_active Expired - Lifetime
- 1988-12-10 JP JP63312787A patent/JPH0758858B2/ja not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6181297B1 (en) | 1994-08-25 | 2001-01-30 | Symmetricom, Inc. | Antenna |
US5909196A (en) * | 1996-12-20 | 1999-06-01 | Ericsson Inc. | Dual frequency band quadrifilar helix antenna systems and methods |
US5920292A (en) * | 1996-12-20 | 1999-07-06 | Ericsson Inc. | L-band quadrifilar helix antenna |
US6300917B1 (en) | 1999-05-27 | 2001-10-09 | Sarantel Limited | Antenna |
Also Published As
Publication number | Publication date |
---|---|
EP0320404A1 (fr) | 1989-06-14 |
CA1291560C (fr) | 1991-10-29 |
JPH01264003A (ja) | 1989-10-20 |
ES2038328T3 (es) | 1993-07-16 |
JPH0758858B2 (ja) | 1995-06-21 |
US5134422A (en) | 1992-07-28 |
DE3878862D1 (de) | 1993-04-08 |
DE3878862T2 (de) | 1993-06-17 |
FR2624656A1 (fr) | 1989-06-16 |
FR2624656B1 (fr) | 1990-05-18 |
ATE86413T1 (de) | 1993-03-15 |
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