WO2003047026A1 - Ensemble antenne, procede d'assemblage et de montage d'un ensemble antenne et dispositif de radiocommunication - Google Patents

Ensemble antenne, procede d'assemblage et de montage d'un ensemble antenne et dispositif de radiocommunication Download PDF

Info

Publication number
WO2003047026A1
WO2003047026A1 PCT/SE2001/002625 SE0102625W WO03047026A1 WO 2003047026 A1 WO2003047026 A1 WO 2003047026A1 SE 0102625 W SE0102625 W SE 0102625W WO 03047026 A1 WO03047026 A1 WO 03047026A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
support structure
antenna assembly
assembly according
communication device
Prior art date
Application number
PCT/SE2001/002625
Other languages
English (en)
Inventor
Annika Hu
Daniel Popescu Sundberg
Mats Bruce
Istvan Bartha
Original Assignee
Allgon 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
Application filed by Allgon Ab filed Critical Allgon Ab
Priority to AU2002218598A priority Critical patent/AU2002218598A1/en
Priority to PCT/SE2001/002625 priority patent/WO2003047026A1/fr
Publication of WO2003047026A1 publication Critical patent/WO2003047026A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • 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
    • 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
    • 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 invention concerns an antenna assembly for a radio communication device according to the preamble of claim 1. It also concerns a method of assembling and mounting an antenna assembly according to the preamble of claim 22 and a radio communication device including such an antenna assembly.
  • GB-A-2 332 119 discloses an antenna unit for a portable communication terminal, wherein a helical antenna element 33 is positioned inside the cavity of an antenna cap.
  • a housing connecting portion has a male screw formed on its outside surface. The housing connecting portion is coupled to the antenna element and provides connection between the antenna element and a PCB of the portable communication terminal .
  • the antenna assembly may be readily assembled and mounted in a simple assembly plant for example for a radio communication devices without the need of special handling of the different elements being included in the antenna assembly.
  • the invention makes the assembly easy to mount on a radio communication device, especially on a portable one. Normally the assembly of such a device is a sandwiching process, wherein the elements are stacked on top of each other. According to the invention the process of assembling the antenna assembly may be carried out in a similar manner, thus, increasing the economy of the resulting product.
  • the inventive antenna assembly is relatively flat, and the flat surfaces thereby constitute first and second sides of the assembly. It is however not excluded that the first and second sides are clearly curved.
  • fasteners being snap-lock fasteners, mounting of the antenna assembly is facilitated.
  • antenna element being provided on the resilient substrate, several advantages are obtained such as simplified production and assembly.
  • the antenna element being substantially plane or slightly curved in operation, a particularly advantageous antenna function may be obtained.
  • the support structure is comprised of two parts that are hinged to each other. This reduces the number of elements to be included in the antenna assembly and facilitates manufacture and assembly. In particular this is obtained when the support structure is manufactured in a plastic material if the hinge is an integral element of the structure .
  • the support structure comprises a first substantially rigid part and a second resilient part, which in particular is an adhesive tape.
  • This embodiment provides enhanced economy and simplified assembly. Further, the resulting antenna assembly may be particularly thin, which is often desired if the antenna assembly is a flat or almost flat construction.
  • the provision of a substantially rigid guide tongue on the support structure results in better stability.
  • the provision of a feed line on the guide tongue provides easy coupling. Coupling is simplified when a contact spring is present in this position. Hereby contact is easily obtained with a PCB or other circuits of the radio communication device when mounting it thereon.
  • the contact spring is pressed between two parts of the support structure against an antenna feed line for enhanced contact.
  • the support structure comprises elements for rendering the antenna element the desired form, be it flat or curved.
  • each antenna element is a meander element. This results in possibility of enhanced antenna function over other types of elements such as helical antennas .
  • the antenna element is comprised of printed pattern the production and thereby the economy is enhanced.
  • Fig. 1 shows, in an exploded view, an antenna assembly according to the invention
  • Fig. 2 shows the assembly of Fig. 1 in an assembled state
  • Fig. 3 shows a part of a portable telephone for the antenna assembly of Figs. 1 and 2,
  • Figs 4a and 4b show an alternative antenna carrying substrate
  • Figs 5a and 5b show a further embodiment of the invention
  • FIGs 6a. and 6b show a still further embodiment of the invention.
  • Figs 7a and 7b show yet another embodiment of the invention.
  • An antenna assembly 1 is shown in Fig. 1 in a not yet assembled state.
  • a support structure is comprised of a first part 2a and a second part 2b.
  • the first and the second parts 2a and 2b define together a compartment wherein a flexible substrate 3 is intended to be contained.
  • The. flexible substrate is made from a material, which is per se known in the art and is provided with a printed or etched pattern defining a first antenna element 4 and a second antenna element 5 for plural band operation.
  • the antenna elements 4 and 5 are fed through a feed line 6, which is printed on a thin extended portion 33 of the substrate.
  • a contact spring 7 is provided for contacting the feed line 6 when the support structure is assembled.
  • a free part of the contact spring defines a feeding point 8 for co-operation with corresponding contact parts inside a mobile phone (not shown) , whereon the assembly is intended to be mounted.
  • the corresponding contact part is arranged on a PCB inside the mobile telephone.
  • a guide tongue consisting of two parts 10a and 10b, each extending from one part of the , support structure, forms a channel 34 for reception of the extending part 33 of a substrate as well as the contact spring 7.
  • the guide tongue 10a and 10b stabilises the connection between the support structure and the telephone on which it is intended to. be mounted.
  • the first and the second parts of the support structure 2a and 2b are locked together by any per se known method such as ultra sound welding, gluing, snap-in fastening or any other suitable method.
  • the lines 32 indicate elements moulded into the first part of the support structure 2a, which elements are comprised of slightly curved rims, which are adapted to provide the flexible substrate with a desired curved shape and also to fix the substrate against movements inside the support structure.
  • Assembling the assembly 1 is simply obtained by placing the parts 2b, 3, 7 and 2a in a sandwich manner on top of each other, thus in the directions Dl and D2 of the respective sides.
  • the first and second sides thus being assembled form a compartment into which the antenna element is positioned from a sideways direction prior to the completion of the assembly of the support structure parts.
  • Fig. 2 shows the antenna assembly 1 in the assembled state whereby fasteners 9, in this case rectangular holes, are shown. These holes are intended to receive corresponding protruding fasteners extending from a mobile telephone or the like.
  • the guide tongue consisting of the parts 10a ' and 10b together form the channel 34 is shown in this Figure as is the protruding part of the contact spring 7, with the feeding point 8.
  • the support structure comprises a portion 35 extending below a bottom 36 formed by the wall parts including the fasteners 9.
  • the extending envelope portion 35 provides possibility of securely anchoring the support structure to the portable telephone .
  • Fig. 3 a part of a portable telephone 15 is shown.
  • 16 indicates a seat for the antenna assembly according to Figs. 1 and 2, wherein the protruding envelope surface 37 matches the extending envelope portion 35, (see Fig. 2) .
  • 17 indicates fastenings, in this case consisting of two pairs of resilient snap-in hooks for co-operation with the holes 9 (see Fig. 2) of the support structure.
  • a hole for the guide tongue 10a and 10b is denoted 18.
  • Figs 4a and 4b show an embodiment wherein the substrate 11 consists of a resilient portion 12a and a substantially rigid portion 12b. No complete support structure is shown here.
  • the resilient portion 12a carries an antenna element 13 having a feed line 14.
  • the substantially rigid part 12b extents over the length of the substrate 11 (indicated with broken lines) in Fig. 4a.
  • the substrate 11 according to this embodiment may be used together with a support structure without a tongue as the one shown in Figs. 1 and 2.
  • the substantially rigid part 12b operates as a tongue and the feed line 14 may co-operate with connecting elements provided inside a telephone.
  • a further embodiment is shown wherein there is provided a rigid planar substrate 19 carrying antenna elements 20 and 21 and a feed line ending in a feeding point 23.
  • Recesses or holes 22 are provided at the bottom part of the substrate for co-operation with corresponding snap-in fastener hooks inside the radio communication device (not shown) .
  • 44 denotes shoulders for resting against the outside of a radio communication housing when the assembly is mounted thereon. ....
  • Fig. 5b the substrate is shown together with first and second parts 24 and 25 of a cover or a support structure for the upper part of the substrate 19 and of the whole assembly together with the substantially rigid part 19b.
  • a hinge 27 connects a first part 28a and a second part 28b of the support structure.
  • This support structure is made from a suitable plastics material and the hinge is an integral part of this structure which thus is manufactured in one piece.
  • 29 denotes a substrate which is positioned in a compartment inside a closed support structure, and a meander antenna element is denoted 30 whereas the feeding point is denoted 31.
  • the first part 28a of the support structure is provided with three forming elements 45, which are adapted to come into contact with a substrate 29 in order to fix it and render it a chosen form let be plane or slightly curved, in particular with a shallow C shaped cross section.
  • Assembly of the device of fig 6a is obtained by placing the substrate in one of the parts, whereafter the second part is pivoted around the hinge to a state, where the parts form an enclosure similar to the one shown in fig 2.
  • the resulting assembly will then have a sandwich configuration corresponding to the embodiment in figs 1 and 2.
  • Fig. 6b shows a detail of a support structure, which may well be used in different embodiments of support structures.
  • 42a and 42b denote first and second parts of support structures and 43a and 43b denote interlocking snap rims, which may be placed along the entire edge of for example the parts of Fig. 6a.
  • a further embodiment is shown, wherein 32 denotes a rigid part of a support structure including a feeding point 35 and being adapted to receive, sideways, a substrate 33 having thereon an antenna element pattern.
  • the substrate is covered by a flexible portion 34, which in this case is comprised of a self-adhesive tape.
  • the rigid part 32 is provided with a two step shallow recess for reception of the substrate 33 as well as the larger adhesive tape comprising the flexible portion 34.
  • the resulting support structure will have substantially even surfaces on both sides.
  • the fastening elements which are protruding from one of the parts - antenna assembly - portable telephone, is provided on the former and not the latter since a possible breakage of protruding portions, which are situated on the portable telephone is more serious than breakage of elements protruding from the antenna assembly, since the antenna assembly is relatively cheap and easily replaced.
  • various different co-operating fasteners may be envisaged for attaching the assembly onto the radio communication device.
  • the antenna elements may be of different configuration, even though it is preferred that they are comprised of meander elements, which are printed on a substrate - flexible or rigid. It is, however, within the scope of the invention to use other types of antenna patterns and to use alternative coupling parts for achieving the desired coupling between circuits of the communication device and the antenna. It is also within the scope of the invention to ' apply, for example print, the antenna pattern directly on one of the halves of the support structure. It is also within the scope of the invention that the antenna element is self-supporting, i.e. is not applied on a. substrate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)

Abstract

Cette invention se rapporte à un procédé d'assemblage et de montage d'un ensemble antenne (1) pour un dispositif de radiocommunication du type comprenant une structure de support d'antenne (2a, b) comportant un élément de fixation pouvant être relié au dispositif de radiocommunication, cet ensemble antenne (1) comportant un premier et un second côté, et au moins un élément antenne (4, 5) soutenu par la structure de support d'antenne et possédant un point d'alimentation (8) pour le couplage aux circuits du dispositif de radiocommunication. La structure de support d'antenne est assemblée en parties (2a, 2b) définissant le premier et le second côté, afin de former un compartiment, et des parties de la structure de support et l'élément antenne sont assemblés en sandwich. Cette invention concerne également un ensemble antenne et un dispositif de radiocommunication contenant cet ensemble.
PCT/SE2001/002625 2001-11-27 2001-11-27 Ensemble antenne, procede d'assemblage et de montage d'un ensemble antenne et dispositif de radiocommunication WO2003047026A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002218598A AU2002218598A1 (en) 2001-11-27 2001-11-27 An antenna assembly, a method of assembling and mounting an antenna assembly and a radio communication device
PCT/SE2001/002625 WO2003047026A1 (fr) 2001-11-27 2001-11-27 Ensemble antenne, procede d'assemblage et de montage d'un ensemble antenne et dispositif de radiocommunication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2001/002625 WO2003047026A1 (fr) 2001-11-27 2001-11-27 Ensemble antenne, procede d'assemblage et de montage d'un ensemble antenne et dispositif de radiocommunication

Publications (1)

Publication Number Publication Date
WO2003047026A1 true WO2003047026A1 (fr) 2003-06-05

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Family Applications (1)

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PCT/SE2001/002625 WO2003047026A1 (fr) 2001-11-27 2001-11-27 Ensemble antenne, procede d'assemblage et de montage d'un ensemble antenne et dispositif de radiocommunication

Country Status (2)

Country Link
AU (1) AU2002218598A1 (fr)
WO (1) WO2003047026A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1770825A1 (fr) 2005-09-23 2007-04-04 High Tech Computer Corp. Antenne comportant une partie haute fréquence externe et une partie basse fréquence interne
US7518562B2 (en) 2005-09-19 2009-04-14 Htc Corporation Antenna combining external high-band portion and internal low-band portion
EP2158638A1 (fr) * 2007-05-17 2010-03-03 Fisher Controls International LLC Appareil d'antenne pour des environnements explosifs
DE102005054286B4 (de) * 2005-11-11 2011-04-07 Delphi Delco Electronics Europe Gmbh Antennenanordnung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0878944A (ja) * 1994-08-31 1996-03-22 Mitsubishi Electric Corp 携帯電話機用板状アンテナ及びその製造方法
WO1997018600A1 (fr) * 1995-11-15 1997-05-22 Allgon Ab Antenne portable pour dispositifs de communication radio portables et dispositif de raccordement d'antenne sans commutation
WO1999017398A2 (fr) * 1997-09-29 1999-04-08 Ericsson, Inc. Antennes comportant des enroulements integres
WO1999050927A1 (fr) * 1998-04-01 1999-10-07 Allgon Ab Elements d'antenne, procede de fabrication associe et dispositif de radiocommunication portatif
WO1999067851A1 (fr) * 1998-06-24 1999-12-29 Allgon Ab Dispositif d'antenne, procede de fabrication associe et dispositif de radiocommunication comportant un dispositif d'antenne
EP0982794A2 (fr) * 1998-08-27 2000-03-01 Lk-Products Oy Antenne pour un appareil radio, méthode pour sa fabrication et appareil radio

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0878944A (ja) * 1994-08-31 1996-03-22 Mitsubishi Electric Corp 携帯電話機用板状アンテナ及びその製造方法
WO1997018600A1 (fr) * 1995-11-15 1997-05-22 Allgon Ab Antenne portable pour dispositifs de communication radio portables et dispositif de raccordement d'antenne sans commutation
WO1999017398A2 (fr) * 1997-09-29 1999-04-08 Ericsson, Inc. Antennes comportant des enroulements integres
WO1999050927A1 (fr) * 1998-04-01 1999-10-07 Allgon Ab Elements d'antenne, procede de fabrication associe et dispositif de radiocommunication portatif
WO1999067851A1 (fr) * 1998-06-24 1999-12-29 Allgon Ab Dispositif d'antenne, procede de fabrication associe et dispositif de radiocommunication comportant un dispositif d'antenne
EP0982794A2 (fr) * 1998-08-27 2000-03-01 Lk-Products Oy Antenne pour un appareil radio, méthode pour sa fabrication et appareil radio

Non-Patent Citations (1)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7518562B2 (en) 2005-09-19 2009-04-14 Htc Corporation Antenna combining external high-band portion and internal low-band portion
EP1770825A1 (fr) 2005-09-23 2007-04-04 High Tech Computer Corp. Antenne comportant une partie haute fréquence externe et une partie basse fréquence interne
DE102005054286B4 (de) * 2005-11-11 2011-04-07 Delphi Delco Electronics Europe Gmbh Antennenanordnung
EP2158638A1 (fr) * 2007-05-17 2010-03-03 Fisher Controls International LLC Appareil d'antenne pour des environnements explosifs
EP2158638B1 (fr) * 2007-05-17 2017-07-12 Fisher Controls International LLC Appareil d'antenne pour des environnements explosifs

Also Published As

Publication number Publication date
AU2002218598A1 (en) 2003-06-10

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