EP1323207A1 - Telephone mobile a antenne multibande - Google Patents

Telephone mobile a antenne multibande

Info

Publication number
EP1323207A1
EP1323207A1 EP01986373A EP01986373A EP1323207A1 EP 1323207 A1 EP1323207 A1 EP 1323207A1 EP 01986373 A EP01986373 A EP 01986373A EP 01986373 A EP01986373 A EP 01986373A EP 1323207 A1 EP1323207 A1 EP 1323207A1
Authority
EP
European Patent Office
Prior art keywords
mobile radio
radio device
conductor structure
meander
antenna
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
EP01986373A
Other languages
German (de)
English (en)
Other versions
EP1323207B1 (fr
Inventor
Peter Nevermann
Sheng-Gen Pan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1323207A1 publication Critical patent/EP1323207A1/fr
Application granted granted Critical
Publication of EP1323207B1 publication Critical patent/EP1323207B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths

Definitions

  • the present invention relates to a mobile radio device with a multi-band antenna, which has a meandering conductor structure and a contact spring for contacting the conductor structure with a transmitter / receiver electronics.
  • Such a mobile radio device can be implemented, for example, as a cell phone or so-called cell phone.
  • the dimensions for the antenna of such a device, which antenna is now widely integrated into the housing, are limited for design reasons.
  • this mobile radio device should increasingly be able to be operated not only in a single network, corresponding to a single frequency range, but also in several networks, corresponding to several frequency ranges.
  • An (integrated) antenna is therefore required that can be used in two or more frequency ranges.
  • there is a requirement for the mobile radio device in question that its performance and design can be realized as cost-effectively as possible.
  • the multi-band antenna of known mobile radio devices integrated in the housing is realized, for example, from several partial antennas.
  • These partial antennas are either cylindrical helical wire structures or planar antennas, which are preferably implemented on circuit boards.
  • their basic shapes do not correspond to the shape of the housing, which typically has a generally elliptical cross section, such antennas require a relatively large amount of space in the housing. For this reason, the requirements for the design of the mobile radio device cannot be met or can only be met inadequately in the case of small dimensions.
  • Such a multi-band antenna has great flexibility.
  • the costs for the flexible base material and the necessary contacting of the flexible conductor material mean that the cost for this antenna corresponds to a multiple of the cost of the above-mentioned non-flexible antenna.
  • An object of the present invention is to provide a mobile radio device of the type mentioned at the beginning, the multi-band antenna of which can be produced inexpensively and which guarantees freedom in the choice of the design of the mobile radio device.
  • the meandering conductor structure and the contact spring of the antenna are formed according to the invention as a one-piece part that does not overlap in processing, this antenna can be manufactured easily and inexpensively by a single stamping process, which may be followed only by a bending process. Since the one-piece stamped and bent part according to the invention can be shaped as desired within wide limits, it can be easily adapted to the desired design of the mobile radio device without having to take into account the structure of the antenna.
  • Another advantage of the antenna according to the invention is that it can be manufactured at high production speed and therefore at low production costs, because the standard stamping and bending technology can be used. Since the multi-band antenna is designed as a one-piece stamped and bent part, there is no need for separate manufacture and provision the antenna spring.
  • the at least two meandering structures of the multi-band antenna formed as a one-piece stamped and bent part are preferably arranged in parallel, side by side, so close that a clear coupling is achieved, so that the total volume of the multi-band antenna is minimal.
  • the distributed partial inductances and capacities of the meanders are used optimally, so that the antenna can be operated reliably in several frequency bands. Optimization makes it possible to use the multi-band antenna, for example, in the vicinity of its first resonance frequency for one of the target frequency bands, for example GSM, while it is working so broadband near its second resonance frequency that use with two further frequency bands, for example PCN and PCS, is possible.
  • Another advantage of the multi-band antenna which is formed in one piece as a stamped and bent part, is that a nominal impedance of 50 ohms can be implemented without any problems, so that this antenna can be operated without an additional matching network, which is required in the prior art. This ensures that the antenna formed according to the invention can be operated without the losses which are unavoidable in the prior art due to adaptation elements.
  • FIG. 1 shows an embodiment of a multi-band antenna of the mobile radio device according to the invention in a side elevation view
  • FIG. 2 shows a second embodiment of a multi-band antenna of the mobile radio device according to the invention in a side elevation
  • Fig. 3 in diagram form the reflection factor of the multi-band antenna of Fig. 1, wherein the frequency bands covered by the antenna are shown in dashed lines.
  • a multi-band antenna is generally designated by the reference number 10.
  • the multi-band antenna 10 is a one-piece stamped and bent part, comprising a meandering conductor structure with a first meander 11 and a second meander 12 and a contact spring 13.
  • the two meanders 11, 12 and the contact spring 13 are arranged relative to one another such that they do not overlap in processing (in developed form).
  • the first meander 11, like the second meander 12, is planar in development and these two meanders are developed in two laterally offset planes and are connected to one another via a connecting web 14 which runs transversely to the meander planes.
  • the contact spring 13 is arranged in the region of the connecting web 14 and represents an extension of this web.
  • the first meander part 11 comprises a first meander part 15 with two arms 16 and 17 running parallel to one another Meander part 15 includes extending arms 19 and 20.
  • the second meandering part 18 is connected to the first meandering part 17 via a crosspiece 21.
  • Connected to the second meandering part is a third meandering part 23, connected via a crosspiece 22, which comprises two arms 24, 25 parallel to one another and to the aforementioned arms 16, 17 and 19, 20.
  • a third meandering part 23 is adjoined by a fourth meandering part 26, which is connected to the preceding meandering part 23 via a transverse web 27 and comprises two webs 28 and 29 which run parallel to one another and to the previously mentioned arms.
  • a fifth meandering part 31 connects to the fourth meandering part 26 via a crosspiece 30, which, like the preceding meandering parts, comprises two arms 32 and 33 in parallel alignment.
  • the fifth meandering part 31 terminates in an end web 34 which extends in the meandering direction and is bent through 90 °.
  • the mutual distance between the five meandering parts 15, 18, 23, 26 and 31 is chosen to be as different as the relative distance between their arms 16, 17, 19, 20, 24, 25, 28, 29 and 32, 33. These distances and their sequence are optimized in favor of the frequency range to be covered by the antenna.
  • the second meander 12 is of less complex construction than the first meander 11 and comprises a single meander part 35 which comes to lie at a distance above the end web 34 of the first meander part 11 and arms 36, 37 running parallel to one another and to the arms of the first meander 11 having.
  • the meander part 35 is connected by its lower arm 36 via a further, long connecting web 38 to the contact spring 13 and the connecting web 14.
  • a total of three frequency ranges are defined by the meandering conductor structure 11, 12 of the multi-band antenna 10.
  • the relevant reflection factor of the multi-band antenna 10 is shown in FIG. 3 with a solid line and is generally designated by the reference number 38.
  • the three frequency ranges or bands of the multi-band antenna 10 corresponding to the EGSM band, the PCN band and the PCS band are shown in dashed lines and designated by the reference numbers 39, 40 and 41.
  • FIG. 2 shows an alternative embodiment of the multi-band antenna 10 from FIG. 1.
  • the multi-band antenna 10 'shown in FIG. 2 has essentially the same basic structure as the multi-band antenna 10 from FIG. 1, but with the difference that the meanders do not lie in planes but on curved surfaces and with the difference that that the first Meander 11 'does not include five, but only three meander parts.
  • the second meander 12 ' is configured according to the first meander 11.
  • the same elements of the antenna 10 ' are designated with the same reference numerals as for the antenna 10, which is why a detailed explanation of these elements is unnecessary.
  • Another difference between the antenna 10 'and the antenna 10 is that the distances between its meandering parts and the distances between the arms of the meandering parts are different, so that a different reflection factor results for the antenna 10' than for the antenna 10.
  • the invention is not restricted to the two special embodiments of a multi-band antenna explained above (t. Rather, the invention can be embodied in any meandering structures, including zigzag structures, as long as these structures can be implemented as a non-overlapping one-piece stamped and bent part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne un appareil de téléphonie mobile comportant une antenne multibande qui présente au moins une structure conductrice (11, 12) en méandres et un ressort de contact (13) destiné à établir le contact entre la structure conductrice (11, 12) et une unité électronique émettrice/réceptrice. Selon l'invention, il est prévu que la structure conductrice (11, 12) en méandres et le ressort de contact (13) se présentent sous forme de pièce monobloc flexible estampée, qui ne se chevauchent pas mutuellement en développement.
EP01986373A 2000-10-05 2001-10-05 Telephone mobile a antenne multibande Expired - Lifetime EP1323207B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10049410A DE10049410A1 (de) 2000-10-05 2000-10-05 Mobiltelefon mit Mehrbandantenne
DE10049410 2000-10-05
PCT/DE2001/003832 WO2002029926A1 (fr) 2000-10-05 2001-10-05 Telephone mobile a antenne multibande

Publications (2)

Publication Number Publication Date
EP1323207A1 true EP1323207A1 (fr) 2003-07-02
EP1323207B1 EP1323207B1 (fr) 2005-03-16

Family

ID=7658816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01986373A Expired - Lifetime EP1323207B1 (fr) 2000-10-05 2001-10-05 Telephone mobile a antenne multibande

Country Status (5)

Country Link
US (1) US6853352B2 (fr)
EP (1) EP1323207B1 (fr)
CN (1) CN100490247C (fr)
DE (2) DE10049410A1 (fr)
WO (1) WO2002029926A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1298807A1 (fr) * 2001-09-28 2003-04-02 Siemens Aktiengesellschaft Module pour transmission et/ou réception de données par radio
US9755314B2 (en) 2001-10-16 2017-09-05 Fractus S.A. Loaded antenna
WO2005076407A2 (fr) 2004-01-30 2005-08-18 Fractus S.A. Antennes unipolaires multibandes pour dispositifs de communications mobiles
ATE545173T1 (de) 2002-12-22 2012-02-15 Fractus Sa Mehrband-monopolantenne für ein mobilfunkgerät
US7233298B2 (en) * 2003-10-30 2007-06-19 Wavetest Systems, Inc. High performance antenna
JP2006081072A (ja) * 2004-09-13 2006-03-23 Nec Access Technica Ltd アンテナ及び無線通信端末
CN1848524B (zh) * 2005-04-04 2012-05-30 宏达国际电子股份有限公司 天线装置、其制作方法以及行动电话及全球定位双用系统
US20060284770A1 (en) * 2005-06-15 2006-12-21 Young-Min Jo Compact dual band antenna having common elements and common feed
EP1750323A1 (fr) 2005-08-05 2007-02-07 Sony Ericsson Mobile Communications AB Dispositif d'antenne multibande pour un dispositif de radiocommunication, et dispositif de radiocommunication avec une telle antenne
US7375689B2 (en) 2006-02-27 2008-05-20 High Tech Computer Corp. Multi-band antenna of compact size
CN101060197B (zh) * 2006-04-21 2010-12-15 宏达国际电子股份有限公司 小型化的多频天线
CN101192702B (zh) * 2006-11-24 2012-07-18 鸿富锦精密工业（深圳）有限公司 双频天线
EP1933413B1 (fr) 2006-12-06 2012-08-22 HTC Corporation Antenne compacte multibande
FR2911998B1 (fr) * 2007-01-31 2010-08-13 St Microelectronics Sa Antenne large bande
KR100821981B1 (ko) * 2007-02-02 2008-04-15 이성철 무지향성 안테나
CN101740852B (zh) * 2008-11-05 2013-01-09 启碁科技股份有限公司 宽带平面天线
KR101068733B1 (ko) * 2009-03-03 2011-09-28 주식회사 아모텍 휴대 단말기용 안테나 및 이를 구비한 휴대용 단말기
WO2013093563A1 (fr) * 2011-12-22 2013-06-27 Nokia Corporation Appareil comprenant une antenne et un plan de masse, et procédé de fabrication

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DE3023561C2 (de) * 1980-06-24 1986-01-02 Siemens AG, 1000 Berlin und 8000 München Leitergitterstruktur zur Polarisationsumwandlung elektromagnetischer Wellen
US5872549A (en) * 1996-04-30 1999-02-16 Trw Inc. Feed network for quadrifilar helix antenna
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DE29816142U1 (de) 1998-09-08 1999-04-29 Siemens Ag Kontaktierung für eine als Leiterbahn auf einer Leiterplatte ausgebildeten Antenne
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Also Published As

Publication number Publication date
US20040051672A1 (en) 2004-03-18
DE50105641D1 (de) 2005-04-21
US6853352B2 (en) 2005-02-08
EP1323207B1 (fr) 2005-03-16
DE10049410A1 (de) 2002-04-11
CN100490247C (zh) 2009-05-20
WO2002029926A1 (fr) 2002-04-11
CN1592988A (zh) 2005-03-09

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