WO2001091228A1 - Ensemble antenne - Google Patents

Ensemble antenne Download PDF

Info

Publication number
WO2001091228A1
WO2001091228A1 PCT/SE2001/001132 SE0101132W WO0191228A1 WO 2001091228 A1 WO2001091228 A1 WO 2001091228A1 SE 0101132 W SE0101132 W SE 0101132W WO 0191228 A1 WO0191228 A1 WO 0191228A1
Authority
WO
WIPO (PCT)
Prior art keywords
plane
carrier
arrangement
antenna
ground
Prior art date
Application number
PCT/SE2001/001132
Other languages
English (en)
Other versions
WO2001091228A8 (fr
Inventor
Tony BJÖRKMAN
Jari Paananen
Original Assignee
Avantego 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 SE0001903A external-priority patent/SE0001903L/xx
Application filed by Avantego Ab filed Critical Avantego Ab
Priority to AU2001260923A priority Critical patent/AU2001260923A1/en
Publication of WO2001091228A1 publication Critical patent/WO2001091228A1/fr
Publication of WO2001091228A8 publication Critical patent/WO2001091228A8/fr

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
    • H01Q9/0407—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
    • H01Q1/20—Resilient mountings
    • 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
    • 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

Definitions

  • the present invention relates to a novel antenna arrangement, and a method of manufacturing and mounting such an antenna, which comprises mainly an antenna element distanced from a ground plane.
  • the wireless forms of communications have become a standard way of communication.
  • means for conducting a wireless communication such as cordless telephones, lap top computers with wireless modems, satellite and cellular telephones.
  • the communication device i.e. the mobile handsets rapidly become smaller and lighter and the globalisation demand, multiple communication functions and standards being combined into a single unit, e.g. for communicates in multiple frequency bands.
  • radiotelephone systems There are a variety of different radiotelephone systems in use today.
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • GSM Global System for Mobile telecommunication
  • AMPS Advanced Mobile Phone System
  • DAMPS Digital Advanced Mobile Phone System
  • PCS Personal Communication Services
  • DCS Digital Communication System
  • PCN Personal Communication Networks
  • Antennas that are attached to one end of PCB are known, e.g., through Japanese Patent Publication No. 11-355304, which discloses deformed inverted F antenna in which the radiating antenna element is formed of a metallic part and a support body.
  • the metallic part is formed of a metallic board and a feeding point and a ground contact point are formed at the end parts of the metallic part.
  • the support body is formed of an insulator or a dielectric and holds the metallic part accurately in prescribed form.
  • the metallic part is fixed to the support body to form them into one body.
  • a slit whose thickness is similar to or slightly thicker than that the circuit board is installed in the support body.
  • the antenna element is fixed to the circuit board by inserting the circuit board into the slit.
  • the feeding point and the ground contact point are connected to the feeder terminal and ground terminal of the circuit board to constitute the objective.
  • This antenna arrangement differs from the present invention in that the ground plane is placed on the PCB onto which it is attached.
  • a ground plane must be arranged on the PCB in some way, e.g. etching, and the radiator must have sufficient length to interact with the ground plane.
  • the antenna provided in this way is more complicated.
  • the main object of the present invention is to provide an antenna arrangement, which is easy to design, manufacture and/or mount in a communication device and which contributes to the reduction of the size of the communications device, specially its thickness.
  • Another object of the present invention is to provide an antenna arrangement, which is flexible, i.e. it can easily be rearranged for different demands.
  • One advantage of the invention is that the antenna position is independent of the placement of the circuit board.
  • the antenna arrangement mountable on a carrier and of the type that comprises an antenna element arranged in first plane spaced apart from a ground element arranged in a second plane and at least one feeding connector element is characterised by the fact that the carrier is arranged in a third plane between said first and second planes.
  • said carrier is inserted between said antenna element and ground element, thus allowing easy change of antenna regardless of ground plane's position as it is part of the antenna package.
  • said antenna element and ground element have substantially same distance to said carrier.
  • the carrier can be a printed circuit board carrying electrical circuitry of the communications device.
  • the antenna arrangement further includes a distance element having a first surface and a second surface for receiving said antenna element and ground element, respectively, and a recess in substantially same distance from said antenna element and ground element.
  • the carrier is provided with a projection insertable in said recess.
  • each of said ground element and antenna element is provided with a connector member, substantially resiliently connecting them to a connection point on said carrier.
  • the invention also concerns a method of reducing space required by an antenna arrangement comprising an antenna element arranged in a first plane and spaced apart from a ground element arranged in a second plane and provided with at least one feeding connector element on a carrier.
  • the method comprises the steps of mounting said antenna element and ground element with respect to said carrier so that said carrier is positioned in a third plane between said first and second planes.
  • the invention also concerns a communication arrangement
  • a communication arrangement comprising an internally arranged antenna device connected to a circuit board, comprising an antenna element arranged in a first plane and spaced apart from a ground element arranged in a second plane and provided with at least one feeding connector element.
  • the carrier is situated in a third plane between said first and second planes.
  • the communication device is a cellular phone or a Bluetooth-based device.
  • Fig. 1 is a schematic illustration, in perspective, of one preferred embodiment of the invention
  • Fig. 2 illustrates a frontal view of the antenna arrangement according to fig. 1, mounted on a circuit board
  • Fig. 3 is a side view of the embodiment according to fig. 2
  • Fig. 4 is an enlargement of the encircled section of fig. 3.
  • the antenna according to invention is denoted with 10.
  • the antenna arrangement provided so that it can be mounted at one end of a circuit board 20.
  • the end of circuit board may be any of its edges.
  • the circuit board may be substituted by a carrier, e.g. being part of the communications device chassis or the like.
  • the antenna is further detailed in figs. 2- 4.
  • the antenna 10 comprises a first conductive layer 11 arranged as the antenna element (radiator), a second conductive layer 12 arranged as a ground plane, a spacer 13, first connector member 14, second connector member 15 and a connector clasp 16.
  • the antenna 10 has a PLFA (Planar Inverted F-Antenna) structure.
  • the antenna element 11 and the ground plane 12 are arranged on each side of the spacer 13, which can be a hollow box- shaped arrangement, and electrically connected together by means of the clasp(s) 16.
  • One or more clasps can be used for holding the parts together.
  • other types of attaching means can be used.
  • the plates can also be cut out in one piece and bended to an U-shape, forming the antenna element and the ground plane.
  • the connection can also be provided by bending a part of one of the plates towards the other one.
  • the spacer 13 which is a substantially prismatic body, has two main faces on which the conductive plates are arranged substantially in parallel. Between said faces, preferably in the middle a recess 133 is arranged substantially parallel to the main surfaces.
  • the thickness of the recess 133 corresponds basically to the thickness of the board 20.
  • the board 20 is provided with extensions 21 arranged for cooperation with the recess 133 of the spacer 13.
  • the board attached to the antenna through insertion of the extensions 21 inside the recess 133 becomes substantially centrally arranged with respect to the ground plane and the antenna element.
  • the board can be anywhere between the ground plane and the antenna element. It doesn't need to be inserted between the antenna element and ground plane either, it can be arranged out side the antenna structure.
  • the attachment between the board and the spacer recess is achieved through friction coupling, but nipping, hitches (not shown) or the like may also be used.
  • the antenna can be detachably connected to the circuit board, and allow modifications and exchange. It is also possible to arrange extensions on the antenna part connecting to the circuit board.
  • the antenna does not need to connected to the circuit board, and assembly can be carried out later, e.g. depending on the area of use etc.
  • Each connector member 14 and 15 is part of each conductive plate 11 and 12, respectively, which are recessed and bended from a corner section of each plate.
  • the connector members can also be arranged on opposite sides of each of the ground plane or antenna element.
  • the spacer 13 is provided with inclined directing surfaces 131 and 132 terminating in the recess 133 for directing and/or supporting the connector members 14 and 15, respectively.
  • the connector members are made slightly longer than the supporting surfaces and provided with bends 141 and 151 for facilitating the insertion of the board 20 between the connector members.
  • connection points are arranged on opposite sides of the circuit board 20, however, it is also possible to arrange them on an arbitrary and suitable position on the plates. It is also possible to use loose parts or members extending from the board and connecting to the plates.
  • the antenna arrangement according to the present invention can be used in any suitable communications device, such as cellular phones, bluetooth devices etc.
  • the invention is not limited the shown embodiments but can be varied in number of ways without departing from the scope of the appended claims and the arrangement and the method can be implemented in various ways depending on application, functional units, needs and requirements etc.
  • the form and size of the plates can vary for obtaining the needed characteristics.
  • the plates can be provided with slits acting as capacitive and/or inductive loads, e.g. for arranging the antenna as multi-band antenna.

Landscapes

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

Abstract

La présente invention concerne un ensemble antenne (10) pouvant être monté sur un support (20) à l'intérieur d'un dispositif de communication. Cet ensemble antenne est de type comprenant un élément antenne (11) placé dans un premier plan à une certaine distance d'un élément de terre (12) placé, à son tour, dans un deuxième plan, et au moins un élément connecteur d'alimentation (14). Le support est placé dans un troisième plan situé entre le premier et le deuxième plan.
PCT/SE2001/001132 2000-05-19 2001-05-18 Ensemble antenne WO2001091228A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001260923A AU2001260923A1 (en) 2000-05-19 2001-05-18 Antenna arrangement

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US20568100P 2000-05-19 2000-05-19
SE0001903A SE0001903L (sv) 2000-05-19 2000-05-19 Antenna arrangement
US60/205,681 2000-05-19
SE0001903-4 2000-05-19

Publications (2)

Publication Number Publication Date
WO2001091228A1 true WO2001091228A1 (fr) 2001-11-29
WO2001091228A8 WO2001091228A8 (fr) 2002-02-28

Family

ID=26655115

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2001/001132 WO2001091228A1 (fr) 2000-05-19 2001-05-18 Ensemble antenne

Country Status (2)

Country Link
AU (1) AU2001260923A1 (fr)
WO (1) WO2001091228A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004008574A1 (fr) * 2002-07-15 2004-01-22 Perlos Ab Dispositif d'antenne
EP1737066A1 (fr) * 2005-06-15 2006-12-27 Samsung Electronics Co., Ltd. Dispositif d'antenne pour un terminal portable
EP1943850A1 (fr) * 2005-11-01 2008-07-16 Research In Motion Limited Dispositif mobile de communications sans fil incluant un ensemble antenne enroulé et procédés apparentés
GB2449910A (en) * 2007-06-07 2008-12-10 Cameo Comm Inc Planar antenna for embedding in a circuit board of a wireless network device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06244755A (ja) * 1993-02-12 1994-09-02 Fujitsu Ltd 携帯用の無線装置
GB2276274A (en) * 1993-03-17 1994-09-21 Seiko Epson Corp Antenna device
EP0892459A1 (fr) * 1997-07-08 1999-01-20 Nokia Mobile Phones Ltd. Structure d'antenne à double résonance pour plusieurs gammes de fréquences
US5874920A (en) * 1996-01-26 1999-02-23 Fujitsu Limited Portable radio equipment, and built-in antenna mounting structure and shielding structure for the portable radio equipment
JPH11355034A (ja) * 1998-06-04 1999-12-24 Nec Corp アンテナ
DE29922053U1 (de) * 1998-12-23 2000-02-17 Nokia Mobile Phones Ltd Funkgerät

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06244755A (ja) * 1993-02-12 1994-09-02 Fujitsu Ltd 携帯用の無線装置
GB2276274A (en) * 1993-03-17 1994-09-21 Seiko Epson Corp Antenna device
US5874920A (en) * 1996-01-26 1999-02-23 Fujitsu Limited Portable radio equipment, and built-in antenna mounting structure and shielding structure for the portable radio equipment
EP0892459A1 (fr) * 1997-07-08 1999-01-20 Nokia Mobile Phones Ltd. Structure d'antenne à double résonance pour plusieurs gammes de fréquences
JPH11355034A (ja) * 1998-06-04 1999-12-24 Nec Corp アンテナ
DE29922053U1 (de) * 1998-12-23 2000-02-17 Nokia Mobile Phones Ltd Funkgerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004008574A1 (fr) * 2002-07-15 2004-01-22 Perlos Ab Dispositif d'antenne
EP1737066A1 (fr) * 2005-06-15 2006-12-27 Samsung Electronics Co., Ltd. Dispositif d'antenne pour un terminal portable
US7656354B2 (en) 2005-06-15 2010-02-02 Samsung Electronics Co., Ltd Antenna apparatus for portable terminal
EP1943850A1 (fr) * 2005-11-01 2008-07-16 Research In Motion Limited Dispositif mobile de communications sans fil incluant un ensemble antenne enroulé et procédés apparentés
EP1943850A4 (fr) * 2005-11-01 2009-01-28 Research In Motion Ltd Dispositif mobile de communications sans fil incluant un ensemble antenne enroulé et procédés apparentés
EP2983242A3 (fr) * 2005-11-01 2017-08-16 BlackBerry Limited Dispositif de communications sans fil mobile comprenant un ensemble antenne enroulé et procédés associés
GB2449910A (en) * 2007-06-07 2008-12-10 Cameo Comm Inc Planar antenna for embedding in a circuit board of a wireless network device
GB2449910B (en) * 2007-06-07 2009-08-26 Cameo Comm Inc Antenna and wireless network device having the same

Also Published As

Publication number Publication date
AU2001260923A1 (en) 2001-12-03
WO2001091228A8 (fr) 2002-02-28

Similar Documents

Publication Publication Date Title
EP1943850B1 (fr) Dispositif mobile de communications sans fil incluant un ensemble antenne enroulé et procédés apparentés
US8810459B2 (en) Antenna device of mobile terminal
US6429818B1 (en) Single or dual band parasitic antenna assembly
KR101320205B1 (ko) 안테나 장치 및 이를 이용한 무선 통신 기기
US20090002244A1 (en) Built-in antenna apparatus and portable terminal having the same
WO2001033665A1 (fr) Ensemble antenne passive monobande ou a double bande
EP1737066B1 (fr) Dispositif d'antenne pour un terminal portable
US20110050540A1 (en) Mobile wireless communications device including an electrically conductive director element and related methods
EP1648050A1 (fr) Module d'antennes monopuces à double bande
EP3352300B1 (fr) Élément d'antenne et dispositif électronique
US7522104B2 (en) Antenna and wireless apparatus
US6697023B1 (en) Built-in multi-band mobile phone antenna with meandering conductive portions
WO2001089031A1 (fr) Dispositif d'antenne
CA2571338C (fr) Dispositif de communications mobile sans fil comprenant un element directeur conducteur d'electricite et methodes connexes
EP1507313B1 (fr) Dispositif d'antenne dans un terminal portable
WO2001091228A1 (fr) Ensemble antenne
WO2002031912A1 (fr) Dispositif d"antenne interieure
US20090278751A1 (en) Antenna Device and Portable Terminal Device
JP2005534242A (ja) 薄型パッチアンテナ
JPH10190512A (ja) 携帯無線機
CN118174017A (zh) 天线系统及电子设备
WO2002047200A1 (fr) Arrangement d'antenne
WO2005064741A1 (fr) Procede pour monter un element de contact dans un agencement d'antenne
GB2406217A (en) Tuneable antenna

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ CZ DE DE DK DK DM DZ EC EE EE ES FI FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
AK Designated states

Kind code of ref document: C1

Designated state(s): AE AG AL AM AT AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ CZ DE DE DK DK DM DZ EC EE EE ES FI FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: C1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

CFP Corrected version of a pamphlet front page

Free format text: FIGURE ADDED

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 69(1) EPC, F1205A DATED 08.07.03

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP