EP1374335B1 - Dispositif d'antenne - Google Patents

Dispositif d'antenne Download PDF

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Publication number
EP1374335B1
EP1374335B1 EP02717259A EP02717259A EP1374335B1 EP 1374335 B1 EP1374335 B1 EP 1374335B1 EP 02717259 A EP02717259 A EP 02717259A EP 02717259 A EP02717259 A EP 02717259A EP 1374335 B1 EP1374335 B1 EP 1374335B1
Authority
EP
European Patent Office
Prior art keywords
connection
aperture
connection device
antenna
support structure
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
Application number
EP02717259A
Other languages
German (de)
English (en)
Other versions
EP1374335A1 (fr
Inventor
Stefan Mor N
Minh Tri Nguyen
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.)
Laird Technologies AB
Original Assignee
AMC Centurion AB
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
Priority claimed from SE0101172A external-priority patent/SE0101172L/xx
Application filed by AMC Centurion AB filed Critical AMC Centurion AB
Publication of EP1374335A1 publication Critical patent/EP1374335A1/fr
Application granted granted Critical
Publication of EP1374335B1 publication Critical patent/EP1374335B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
    • 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
    • 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
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means

Definitions

  • the present invention generally relates to an antenna arrangement for a portable radio communication device. More particularly it relates to an antenna element including a connection portion for connection to RF circuitry in a portable radio communication device by means of a connection device.
  • One known way to mount and electrically connect a patch antenna in a high frequency device is to provide a patch electrode through a dielectric and thereafter soldering the patch electrode to the patch antenna, see JP-A-9260933.
  • connection electrodes involves both drawbacks and advantages.
  • One drawback with soldering is that the high temperature used puts high demands on components exposed to such high temperature.
  • One advantage is that the connection electrode is securely fixed in its position.
  • An object of the present invention is to provide an antenna arrangement that is easily adapted to new configurations.
  • connection device By providing an axially resilient connection device the radial forces necessary to secure the connection device in an aperture is reduced, whereby soldering of the connection device may be passed over.
  • connection portion is more easily folded into the aperture.
  • connection device By providing a rounded surface on a connection device a well defined yet smooth connection may be obtained between the connection device and a connection portion of an antenna element.
  • An antenna module comprises a flexible antenna element 1, such as a flex film, and a support structure 2 for support of the flex film.
  • the flex film includes two tongues 5; one for feeding the antenna and one for grounding the antenna.
  • the support structure 2 includes two apertures 4 for receiving the two tongues 5.
  • the antenna module further comprises two connection devices 3, wherein each has a longitudinal axis, such as PoGoTM pins, for connecting the flex film to RF circuitry and grounding portions of a portable radio communication device, such as a mobile telephone.
  • the two apertures 4 are further for receiving the two connection devices 3.
  • connection device 3 is arranged to fixate one tongue 5 in the aperture 4 by means of radial forces.
  • An end of the connection device 3 fixates the tongue 5 in the aperture and electrically connects to it.
  • This end of the connection device is of uniform thickness along a length corresponding to the length the tongue 5 that extends down into the aperture 4.
  • the other end of the connection device 3 is axially resilient, for connection to a PCB (Printed Circuit Board) of the mobile telephone, either for connection to RF circuitry or to ground. Due to the axial resilience of the connection device 3 the radial forces necessary to prevent axial displacement of the connection device is greatly reduced.
  • the aperture 4 has a square shaped cross-section, such that at least the side 4a receiving the connection tongue 5 is planar. Further, the connection device 3 has a circularly shaped cross-section, such that at least the portion connecting the connection tongue 5 has a rounded surface.
  • the aperture 4 may alternatively have a cross-section shaped e.g. as illustrated in Fig. 17-19. With a circular cross-section of the connection device 3 and the alternatively shaped aperture 4 a rounded surface press against the connection tongue 5 and a rounded surface press against a correspondingly rounded surface of the alternatively shaped aperture 4.
  • the antenna module is by the above-described configuration easily adapted to requirements on the space an antenna module may occupy in a housing of a mobile telephone and contact positions where to contact RF circuitry and grounding portions on a PCB in the mobile telephone.
  • the support structure 2 is easily adapted to fit a specific volume.
  • the apertures 4 are easily provided in the support structure 2 in connection with the contact positions on the PCB.
  • the flex film 1 is mounted to the support structure 2.
  • the connection tongues 5 are positioned in the apertures 4.
  • the connection devices 3 are positioned in the apertures 4, fixating the connection tongues 5 in the apertures 4 and electrically connects thereto.
  • a stopper may be provided in the aperture 4, to facilitate mounting of a connection device 3.
  • the connection tongue 5 may be positioned above the aperture 4, to be positioned in the aperture 4 by the positioning of the connection device 3 into the aperture 4.
  • connection devices 3 are axially resilient. The axial resilience further lowers the needed radial forces to maintain the connection devices 3 in its respective aperture 4.
  • An antenna module comprises a flexible antenna element 1', such as a flex film, and a support structure 2' for support of the flex film.
  • the flex film includes two tongues; one for feeding the antenna and one for grounding the antenna.
  • the support structure 2' includes two apertures 4 for receiving a respective tongue.
  • the antenna module further comprises two connection devices 3, wherein each has a longitudinal axis, such as PoGoTM pins, for connecting the flex film to RF circuitry and grounding portions of a portable radio communication device, such as a mobile telephone.
  • the two apertures 4 are further for receiving a connection device 3 each.
  • Each respective connection device 3 is arranged to fixate a respective tongue in a respective aperture 4, by means of radial forces.
  • One end of a connection device 3 fixates a respective tongue in an aperture 4 and electrically connects to it.
  • This end of the connection device is of uniform thickness along a length corresponding to the length a tongue 5 extending down into the aperture 4.
  • the other end of the connection device 3 is axially resilient, for connection to a PCB of the mobile telephone.
  • Each aperture 4 has a square-shaped cross-section, such that at least the side 4a receiving the connection tongue 5 is planar.
  • Each connection device 3 has circularly shaped cross-section, such that at least the portion connecting the connection tongue 5 has a rounded surface.
  • An aperture 4 may alternatively have a cross-section shaped as illustrated in Fig. 17-19. With a circular cross-section of the connection device 3 and the alternatively shaped aperture 4 a rounded surface press against the connection tongue 5 and a rounded surface press against a correspondingly rounded surface of the alternatively shaped aperture 4.
  • the contact positions on the PCB are different from the contact positions of the first embodiment, resulting from a different configuration of the antenna element and/or from different positions of RF and ground positions on the PCB of the mobile telephone.
  • the antenna module is by the above-described configuration easily adapted to requirements on the space an antenna module may occupy in a housing of a mobile telephone and contact positions where to contact RF circuitry on a PCB in the mobile telephone.
  • the support structure 2 is easily adapted to fit a specific volume.
  • the apertures 4 are easily provided in the support structure 2 in connection with the contact positions on the PCB.
  • the flex film 1 is mounted to the support structure 2.
  • the connection tongues 5 are positioned in the apertures 4.
  • the connection devices 3 are positioned in the apertures 4, fixating the connection tongues 5 in the apertures 4.
  • a stopper may be provided in the aperture 4, to facilitate mounting of a connection device 3.
  • the antenna module is then ready to be positioned in the housing of the mobile telephone. It is not necessary to know the exact distance between the support structure 2 and the contact positions on the PCB as the connection devices 3 are axially resilient. Further, the axial resilience lowers the needed radial forces to maintain the connection devices 3 in its respective the aperture 4.
  • An antenna module comprises a flexible antenna element 1'', such as a flex film, a support structure 2'' for support of the flex film.
  • the flex film includes two tongues; one for feeding the antenna and one for grounding the antenna.
  • the support structure 2'' includes two apertures for receiving the two tongues.
  • the two apertures are surrounded by a supportive stoper 6.
  • the antenna module further comprises two connection devices 3, each having a longitudinal axis, such as PoGoTM pins, for connecting the flex film to RF circuitry and grounding portions of a portable radio communication device, such as a mobile telephone.
  • the two apertures are further for receiving the two connection devices 3.
  • Each respective connection device 3 is arranged to fixate a respective tongue in a respective aperture, by means of radial forces.
  • One end of a connection device 3 fixates a respective tongue in an aperture and electrically connects to it.
  • the other end of each connection device 3 is axially resilient, for connection to a PCB of the mobile telephone.
  • Each stopper 6, uniform with the support 2" includes a land to maintain a connection device 3 received therein. The axially resilient part of the connection device 3 protrudes past the land towards the contact positions on the PCB.
  • the contact positions on the PCB are different from the contact positions of the first and second embodiments, resulting from a different configuration of the antenna element.
  • the antenna module is by the above-described configuration easily adapted to requirements on the space the antenna module may occupy in a housing of a mobile telephone and contact positions where to contact RF circuitry on a PCB in the mobile telephone.
  • the support structure 2 is easily adapted to fit a specific volume.
  • the apertures 4 are easily provided in the support structure 2 in connection with the contact positions on the PCB.
  • the flex film 1 is mounted to the support structure 2.
  • the connection tongues 5 are positioned in the apertures 4.
  • the connection devices 3 are positioned in the apertures 4, fixating the connection tongues 5 in the apertures 4.
  • the antenna module is then ready to be positioned in the housing of the mobile telephone. It is not necessary to know the exact distance between the support structure 2 and the contact positions on the PCB as the connection devices 3 are axially resilient. Further, the axial resilience lowers the needed radial forces to maintain the connection devices in its respective aperture.
  • An antenna module as shown in Fig. 7, comprises an antenna element 7, formed as a meander, and a support structure 8 for support of the flex film.
  • the meander antenna 7 includes two tongues 9; one for feeding the antenna and one for grounding the antenna.
  • the support structure 8 includes two holes 10 for receiving a respective connection device 11, as shown in Fig. 8, each having a longitudinal axis.
  • the two connection devices 11 are provided for connecting the meander antenna element 7 to RF circuitry and grounding portions of a portable radio communication device, such as a mobile telephone.
  • Each respective connection device 11 is arranged to fixate a respective tongue 9 of the meander antenna element 7 to the support structure 8 and to be connectable to a PCB of the mobile telephone, by means of radial forces.
  • a protruding contact point 12 at one end of the connection device 11 fixates the respective tongue 9 to the support structure 8 and electrically connects to it.
  • the other end of the connection device 11 is axially resilient, for connection to the PCB of the mobile telephone, comprising a protruding contact point 13 for electrical connection to the mobile telephone.
  • connection device 11 further comprises two hooks 14 for locking the connection device 11 to the hole 10, which is illustrated in Fig. 9.
  • An antenna module as shown in Fig. 10, comprises an antenna element 7', formed as a meander, and a support structure 8' for support of the meander antenna element 7'.
  • the meander antenna element 7' includes two tongues 9'; one for feeding the antenna and one for grounding the antenna.
  • the support structure 8' includes two holes 10' for receiving a respective connection device 11', as shown in Fig. 11.
  • the two connection devices 11' are provided for connecting the antenna element 7' to RF circuitry and grounding portions of a portable radio communication device, such as a mobile telephone.
  • Each respective connection device 11' is arranged to fixate a respective tongue 9' to the support structure 8' and to be connectable to a PCB of the mobile telephone.
  • a protruding contact point 12' at one end of the connection device 11' fixates the respective tongue 9' to the support structure 8' and electrically connects to it.
  • the other end of the connection device 11' is resilient, for connection to the PCB of the mobile telephone, comprising a protruding contact point 13' for electrical connection to the mobile telephone.
  • connection device 11' further comprises a hook 14' for locking the connection device 11' to the hole 10', which is illustrated in Fig. 12 and blow up in Fig. 13.
  • connection tongues which may vary from one to as many as desired.
  • connection tongue For each connection tongue a corresponding aperture, or hole, and connection device are provided.
  • flex film should be interpreted as a flexible and thin material comprising conductive portions such as wires or bands.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)

Claims (8)

  1. Dispositif d'antenne pour un appareil de radiocommunication portable comprenant un circuit de radiofréquence (RF), ledit arrangement d'antenne comprenant:
    un élément d'antenne (1; 1'; 1''; 7; 7') présentant une partie de connexion (5; 9; 9');
    une structure de support (2; 2'; 2"; 8; 8') supportant ledit élément d'antenne et comportant au moins une ouverture (4; 10; 10'); et
    un mécanisme de connexion (3; 11; 11') pour connecter ledit élément d'antenne au circuit de radiofréquence de l'appareil de radiocommunication portable, dans lequel ledit mécanisme de connexion présente un axe longitudinal et est positionné dans au moins une ouverture; et
    caractérisé en ce que:
    ladite ouverture présente une partie plane (4a) destinée à recevoir ladite partie de connexion;
    ledit mécanisme de connexion fixe ladite partie de connexion dans ladite ouverture de ladite structure de support, et connecte électriquement ladite partie de connexion audit mécanisme de connexion au moyen de forces radiales; et
    ledit mécanisme de connexion est axialement élastique pour la connexion audit circuit de radiofréquence.
  2. Dispositif d'antenne selon la revendication 1, dans lequel ledit mécanisme de connexion présente une section transversale circulaire permettant une fixation et une connexion en douceur à ladite partie de connexion.
  3. Dispositif d'antenne selon la revendication 1 ou 2, dans lequel ledit élément d'antenne est flexible.
  4. Dispositif d'antenne selon la revendication 5, dans lequel ledit élément d'antenne flexible est un film flexible.
  5. Dispositif d'antenne selon l'une quelconque des revendications 1 à 4, comprenant un arrêt (6) pour définir une position de montage dudit mécanisme de connexion.
  6. Dispositif d'antenne selon l'une quelconque des revendications 1 à 5, dans lequel ledit dispositif comprend un crochet (14; 14') servant à verrouiller ledit mécanisme de connexion dans ladite ouverture.
  7. Appareil de radiocommunication portable, comprenant un dispositif d'antenne selon l'une quelconque des revendications précédentes.
  8. Procédé pour fabriquer un dispositif d'antenne pour un appareil de radiocommunication portable comprenant un circuit de radiofréquence, ledit dispositif d'antenne comprenant: un élément d'antenne (1; 1'; 1"; 7; 7') présentant une partie de connexion (5; 9; 9'); une structure de support (2; 2'; 2"; 8; 8') supportant ledit élément d'antenne et comprenant au moins une ouverture (4; 10; 10'); et un mécanisme de connexion (3; 11; 11') pour connecter ledit élément d'antenne au circuit de radiofréquence de l'appareil de radiocommunication portable, dans lequel ledit mécanisme de connexion présente un axe longitudinal et est positionné dans ladite au moins une ouverture, ladite ouverture présentant une partie plane (4a) destinée à recevoir ladite partie de connexion, dans lequel ledit mécanisme de connexion fixe ladite partie de connexion dans ladite ouverture de ladite structure de support et connecte électriquement ladite partie de connexion audit mécanisme de connexion au moyen de forces radiales; ledit mécanisme de connexion étant axialement élastique afin de permettre une connexion audit circuit de radiofréquence, et dans lequel ledit procédé est caractérisé par les étapes suivantes qui consistent à:
    former ladite structure de support de manière à ce qu'elle s'adapte dans un volume prédéterminé à l'intérieur de l'appareil de radiocommunication portable;
    former ladite au moins une ouverture (4; 10; 10') dans ladite structure de support en alignement avec une surface de contact sur une plaquette à circuits imprimés (PCB) de l'appareil de radiocommunication portable;
    attacher ledit élément d'antenne à ladite structure de support, dans lequel ladite partie de connexion est positionnée au-dessus de l'ouverture; et
    amener ledit mécanisme de connexion dans ladite ouverture, et fixer ainsi ladite partie de connexion et ledit mécanisme de connexion dans ladite ouverture.
EP02717259A 2001-04-02 2002-03-28 Dispositif d'antenne Expired - Lifetime EP1374335B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE0101172 2001-04-02
SE0101172A SE0101172L (sv) 2001-04-02 2001-04-02 Antennanordning
SE0102363A SE0102363D0 (sv) 2001-04-02 2001-07-02 An antenna arrangement
SE0102363 2001-07-02
PCT/SE2002/000630 WO2002080304A1 (fr) 2001-04-02 2002-03-28 Dispositif d'antenne

Publications (2)

Publication Number Publication Date
EP1374335A1 EP1374335A1 (fr) 2004-01-02
EP1374335B1 true EP1374335B1 (fr) 2004-08-25

Family

ID=26655431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02717259A Expired - Lifetime EP1374335B1 (fr) 2001-04-02 2002-03-28 Dispositif d'antenne

Country Status (7)

Country Link
EP (1) EP1374335B1 (fr)
KR (1) KR100530520B1 (fr)
CN (1) CN1220303C (fr)
AT (1) ATE274754T1 (fr)
DE (1) DE60201083T2 (fr)
SE (1) SE0102363D0 (fr)
WO (1) WO2002080304A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115870B (fi) * 2003-06-04 2005-07-29 Filtronic Lk Oy Tasoantennin kosketinjärjestely
GB0316169D0 (en) * 2003-07-10 2003-08-13 Koninkl Philips Electronics Nv Communication device and an antenna therefor
JP4181004B2 (ja) * 2003-09-29 2008-11-12 株式会社ヨコオ アンテナ構造
SE526253C2 (sv) * 2003-12-29 2005-08-09 Amc Centurion Ab Metod för montering av ett kontaktelement i en antennanordning
KR100714599B1 (ko) * 2004-12-21 2007-05-07 삼성전기주식회사 무선통신 단말기의 내장형 안테나 조립체
SE528326C2 (sv) * 2005-06-28 2006-10-17 Amc Centurion Ab Matningsklämma
DE102005030384B3 (de) * 2005-06-29 2006-11-02 Siemens Ag Antennevorrichtung für Funk basierte Telefone
SE0600548L (sv) 2006-03-13 2007-07-03 Amc Centurion Ab Antennanordning och bärbar radiokommunikationsanordning för en sådan antennanordning
CN101645531A (zh) * 2008-08-07 2010-02-10 英资莱尔德无线通信技术（北京）有限公司 Fm天线装置及包括这种fm天线装置的便携式电子装置
EP3293823A1 (fr) * 2016-09-09 2018-03-14 Thomson Licensing Alimentation d'antenne conçue pour alimenter une antenne intégrée dans un dispositif électronique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3540361B2 (ja) * 1994-05-17 2004-07-07 古河電気工業株式会社 アンテナモジュールおよびその製造方法
FR2736214A1 (fr) * 1995-06-29 1997-01-03 Siemens Automotive Sa Procede de montage d'une broche de connexion electrique sur un substrat flexible et plat de circuit electronique et montage resultant de la mise en oeuvre de ce procede
JPH09260933A (ja) * 1996-03-25 1997-10-03 Taiyo Yuden Co Ltd パッチアンテナの給電ピン装着方法
SE514486C2 (sv) * 1999-05-31 2001-03-05 Allgon Ab Antennanordning och telekommunikationsapparat inkluderande en sådan anordning
SE9903482A0 (sv) * 1999-09-27 2001-03-28 Allgon Ab Antennanordning

Also Published As

Publication number Publication date
ATE274754T1 (de) 2004-09-15
DE60201083T2 (de) 2005-09-01
CN1476651A (zh) 2004-02-18
KR100530520B1 (ko) 2005-11-22
DE60201083D1 (de) 2004-09-30
CN1220303C (zh) 2005-09-21
EP1374335A1 (fr) 2004-01-02
WO2002080304A1 (fr) 2002-10-10
SE0102363D0 (sv) 2001-07-02
KR20030081327A (ko) 2003-10-17

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