EP0924810B1 - Connecteur d' antenne coaxiale pour un téléphone portable - Google Patents

Connecteur d' antenne coaxiale pour un téléphone portable Download PDF

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Publication number
EP0924810B1
EP0924810B1 EP98123641A EP98123641A EP0924810B1 EP 0924810 B1 EP0924810 B1 EP 0924810B1 EP 98123641 A EP98123641 A EP 98123641A EP 98123641 A EP98123641 A EP 98123641A EP 0924810 B1 EP0924810 B1 EP 0924810B1
Authority
EP
European Patent Office
Prior art keywords
connector
assembly
contact
center contact
internal 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.)
Expired - Lifetime
Application number
EP98123641A
Other languages
German (de)
English (en)
Other versions
EP0924810A3 (fr
EP0924810A2 (fr
Inventor
Dieter Bozzer
Sébastien Kempter
Blaise Rithener
Lionel Thomas
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.)
Whitaker LLC
Original Assignee
Whitaker LLC
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 Whitaker LLC filed Critical Whitaker LLC
Priority to EP98123641A priority Critical patent/EP0924810B1/fr
Publication of EP0924810A2 publication Critical patent/EP0924810A2/fr
Publication of EP0924810A3 publication Critical patent/EP0924810A3/fr
Application granted granted Critical
Publication of EP0924810B1 publication Critical patent/EP0924810B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/46—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/02—Connectors or connections adapted for particular applications for antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/16—Connectors or connections adapted for particular applications for telephony

Definitions

  • This invention relates to a coaxial connector for interconnecting the antenna of a mobile phone to circuitry thereof.
  • Mobile phones comprise their own antennas but when the phone is positioned on a support in a automobile for example, the phone connects to the automobile antenna.
  • the connection of the mobile phone to the automobile antenna requires a switch to disconnect the phone from its antenna.
  • the connector for connection to the external antenna is typically a coaxial type of connector having an inner conductor concentrically surrounded by a ground conductor.
  • a coaxial connector assembly for a mobile communication device such as a phone
  • a mobile communication device such as a phone
  • the first connector comprising a center contact matable with a center conductor of the complementary pluggable connector, the center contact actuating a switch for disconnecting an internal antenna from circuitry of the mobile phone when the complementary connector is plugged with the first connector
  • the assembly further comprising a second coaxial connector integrally formed with the first connector for connection to the internal antenna.
  • a coaxial connector assembly comprising a first coaxial connector for mating pluggably with a complementary coaxial external antenna connector, the first connector comprising an inner contact matable with a center conductor of the complementary connector, the inner contact comprising a switch for disconnecting an internal antenna from circuitry of the mobile phone when the complementary connector is plugged with the first connector, wherein the assembly further comprises a second coaxial internal antenna connector integrally formed with the first connector for connection to the internal antenna.
  • the second coaxial connector comprises an inner conductor resiliently movable in an axial direction orthogonal to a PCB if the assembly is mounted on the PCB.
  • a spring element for resiliently biasing the inner contact may be integrally formed with a portion of the switch.
  • the spring element and portion of switch may be stamped and formed from sheet metal for a particularly cost-effective and reliable design.
  • the assembly may comprise a dielectric housing formed of an integral part, for example by moulding, to which the inner and outer contacts of the assembly are securely fastened. A single assembly that can be easily handled and connected to a printed circuit board, and that allows interconnection of an internal or an external antenna via the switching coaxial connector is thus provided. A particularly cost-effective and reliable antenna connection is thus achieved.
  • the second coaxial connector for the internal antenna may comprise a center contact mounted concentrically within a portion of housing, the center conductor slideably movable in an axial direction substantially perpendicular to a circuit board when the connector is mounted thereon.
  • the second coaxial connector center contact may have an enlargened dome-shaped contact portion for adjusting to positional tolerances of the internal antenna with respect to the connector.
  • the center contact may be machined from solid metal.
  • the first coaxial connector may comprise a pin-shaped center contact slideable in an axial direction substantially orthogonal to a printed circuit board on which the connector is mounted, the center contact having a contact portion protruding beyond a mating face of the dielectric housing for resilient abutment against the center contact of the pluggable complementary connector.
  • Resilient biasing of the center pin contact may be effected by a stamped and formed spring arm having a portion of the switch thereon.
  • a coaxial connection assembly 2 for connecting an internal 70 or external antenna to a mobile phone, is mountable on a circuit board PCB 1 of the mobile phone.
  • the assembly 2 comprises a first coaxial connector 4 (or switching connector) and a second coaxial connector 6 (or internal antenna connector) that are formed together in a single assembly.
  • the assembly 2 has a common dielectric housing 8 (see figure 5) to which conductive contacts of the connectors 4, 6 are securely mounted.
  • the switching connector 4 comprises a dielectric housing portion 10, which is part of the housing 8, within which is axially slideably mounted a center contact 12, and mounted concentrically therearound is an outer contact 14.
  • the connector 4 has a mating section 16 and a connection section 18.
  • the connection section 18 comprises a first contact leg 19 and a second contact leg 20 mounted from a connection side 22 of the housing 8 into a recess 23 extending from the mounting or connection face 22.
  • the contact legs 19, 20 are stamped and formed from sheet metal and have retention members in the form of V-shaped barbs 24 that engage opposing walls of vertical grooves 26 in the housing, for securing the contacts 19, 20 within the recess 23.
  • the first contact leg 19 comprises a PCB connection portion in the form of a surface mount tab 28 for solder surface mount on the printed circuit board 1, in particular to a circuit trace 31 (see figure 4) thereon.
  • the contact leg 19 further comprises a spring member in the form of a cantilever beam spring arm 30 extending from the mounting portion 24 to a free end 32. Proximate the free end 32 is a contact portion in the form of a protrusion 34 that biases against a complementary contact portion 36 of the second contact leg 20.
  • the spring arm 30 extends across a connection end 38 of the center contact 12.
  • connection portion 38 is enlargened with respect to the body 39 of the pin-shaped center contact such that the connection end 38 provides an abutment 40 limiting upward biasing of the center contact 12 beyond a mating face 42 of the housing portion 10.
  • the center pin contact 12 is depressed towards the printed circuit board when a complementary coaxial connector is plugged to the connector 4, thereby abutting a protruding contact surface 44 of the center pin contact 12.
  • the complementary plugging connector is for example interconnected to a external antenna such as the antenna of an automobile whereby the switch contacts 34, 36 are open thereby disconnecting the internal antenna 70.
  • the outer contact 14 of the connector 4 has a large funnel-shaped mating portion 46 having a mating end 48 protruding well beyond the pin contact surface 44 for guiding and adjusting tolerances during plugging of the complementary external antenna connector to the switching connector.
  • the outer contact 14 is connected to circuit trace portions 50 (see figure 4) by extensions 52 (see figures 1 and 3) integrally extending axially from the concentric portion 51 surrounding the dielectric portion 10, the extensions 52 provided with contact pads 53 for surface mount solder connection to the circuit traces 50.
  • the antenna connector 6 comprises a dielectric housing portion 56 forming part of the housing 8 and concentrically surrounding a center contact 58, the housing portion 56 concentrically surrounded by an outer contact 60.
  • the center contact 58 extends from a connection end 62 to a contact end 64, and is axially slideable in an axially extending cavity 66 of the housing portion 56.
  • the contact end 64 has an enlargened head 67 with a domed contact surface 68 against which an antenna 70 abuts.
  • the large domed contact surface 68 enables the antenna 70 to be positioned significant tolerances with respect to the connector.
  • the center contact 58 is spring mounted such that relatively large tolerances in the axial direction (A) are absorbed, (the axial direction is defined as substantially perpendicular to PCB 1 on which the connector is mountable), as can be seen by comparing figures 5 and 6.
  • the axial direction is defined as substantially perpendicular to PCB 1 on which the connector is mountable
  • the resiliency of the second coaxial connector center contact is provided by a spring arm 72 abutting against the connection end 62 of the center contact 58.
  • the spring arm 72 is integrally stamped and formed with the second contact leg 28 which is mounted in the housing recess 23.
  • the spring arm 72 is in the form of a cantilever beam where the contact against the connection end 62 is proximate a free end 74 of the arm.
  • the spring arm 72 also effects the electrical interconnection between the center contact 58 and the second contact leg 20 through the switch to the PCB center contact circuit trace 31.
  • the center contact 58 comprises a retention shoulder 76 engageable with a shoulder 78 in the cavity 66 for retaining the center contact in an upwardmost position protruding beyond a mating face 80 of the dielectric housing portion 56.
  • the outer contact 60 of the second coaxial connector 6 is interconnected to the PCB by provision of a contact pad 82 soldered against a complementary semi-circular circuit trace 84 (see figure 4) that is interconnected to the outer contact circuit traces 50.
  • the connectors 4,6 are mechanically held together by the common dielectric housing 8 such that a single connector assembly can be handled and assembled to a circuit board thereby reducing assembly costs.
  • the secure and accurate positioning of the connector 4, 6 with respect to each other enable reliable interconnection of an internal antenna 70 or an external antenna to the circuit board 1 in a particularly cost-effective manner.
  • the internal antenna connector 6 absorbs large misalignments between the internal antenna 70 and the printed circuit board by way of the enlargened dome-shaped contact surface 68 and the axially slideable center contact 58 resiliently mounted against the spring arm 72.
  • the contact legs 19, 20 can be simply assembled into the common housing 8 by insertion into the recess 23 in a single insertion assembly.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Support Of Aerials (AREA)

Claims (9)

  1. Assemblage de connecteur coaxial (2) pour un dispositif de communication mobile, par exemple un téléphone, comprenant un premier connecteur coaxial (4) pouvant être accouplé par enfichage avec un connecteur d'antenne coaxial complémentaire et un commutateur (30, 34, 36) pour déconnecter une antenne interne (70) du circuit du dispositif de communication mobile, le premier connecteur comprenant un contact central (12) pouvant être accouplé avec un conducteur central du connecteur enfichable complémentaire, le contact central actionnant le commutateur (30, 34, 36) pour déconnecter une antenne interne (70) du circuit du téléphone mobile lors de l'enfichage du connecteur complémentaire dans le premier connecteur (4), l'assemblage comprenant en outre un deuxième connecteur coaxial (6) formé d'une seule pièce avec le premier connecteur (4) en vue d'une connexion à l'antenne interne (70), caractérisé en ce que le connecteur de l'antenne interne (6) comprend un contact central (58) pouvant se déplacer de manière élastique dans une direction axiale (A) orthogonale à une plaquette à circuit imprimé (1) lorsque l'assemblage est monté sur la plaquette à circuit imprimé.
  2. Assemblage selon la revendication 1, caractérisé en ce que le contact central du connecteur de l'antenne interne (58) est monté par glissement dans une cavité (66) d'une partie de boítier diélectrique (56), l'élasticité étant ainsi établie par un bras élastique séparé (72) s'engageant dans le contact central.
  3. Assemblage selon la revendication 2, caractérisé en ce que le bras élastique (72) est estampé et formé à partir de tôle.
  4. Assemblage selon les revendications 2 ou 3, caractérisé en ce que le bras élastique (72) est formé d'une seule pièce avec une deuxième branche de contact (20), constituant une partie (36) du commutateur.
  5. Assemblage selon l'une quelconque des revendications précédentes, dans lequel le contact central du connecteur de l'antenne interne (58) comporte une surface de contact en forme de dôme (68) destinée à buter contre l'antenne interne (70).
  6. Assemblage selon l'une quelconque des revendications précédentes, dans lequel le premier connecteur comporte une partie de boítier diélectrique (10), le deuxième connecteur comportant une partie de boítier diélectrique (56), les parties de boítier (10, 56) étant formées d'une seule pièce dans un boítier diélectrique commun (8) sur lequel des contacts (12, 58, 14, 60, 19, 20) sont fermement montés.
  7. Assemblage selon l'une quelconque des revendications précédentes, dans lequel le premier connecteur (4) comprend un contact central (12) monté de sorte à pouvoir se déplacer par glissement dans une direction (A) perpendiculaire à la plaquette à circuit imprimé (1) lorsque l'assemblage y est monté, le contact central comportant une surface de contact (44) débordant au-delà d'une face d'accouplement (62) d'une partie de boítier diélectrique (10) en vue d'une butée contre le connecteur enfichable complémentaire.
  8. Assemblage selon la revendication 7, dans lequel le contact central du premier connecteur (12) s'engage dans un bras élastique (30) constituant une partie (34) du commutateur.
  9. Assemblage selon la revendication 5, caractérisé en ce que la surface de contact (68) a une forme en dôme ayant un diamètre notablement supérieur à celui de la partie du contact central en forme de broche positionné dans la cavité (66) de la partie de boítier (56), en vue d'absorber les tolérances de positionnement d'une antenne (70) dans une direction radiale (R), pratiquement orthogonale à la direction axiale (A).
EP98123641A 1997-12-22 1998-12-10 Connecteur d' antenne coaxiale pour un téléphone portable Expired - Lifetime EP0924810B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98123641A EP0924810B1 (fr) 1997-12-22 1998-12-10 Connecteur d' antenne coaxiale pour un téléphone portable

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97122616 1997-12-22
EP97122616 1997-12-22
EP98123641A EP0924810B1 (fr) 1997-12-22 1998-12-10 Connecteur d' antenne coaxiale pour un téléphone portable

Publications (3)

Publication Number Publication Date
EP0924810A2 EP0924810A2 (fr) 1999-06-23
EP0924810A3 EP0924810A3 (fr) 2002-09-25
EP0924810B1 true EP0924810B1 (fr) 2004-04-07

Family

ID=26146006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98123641A Expired - Lifetime EP0924810B1 (fr) 1997-12-22 1998-12-10 Connecteur d' antenne coaxiale pour un téléphone portable

Country Status (1)

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EP (1) EP0924810B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001015226A (ja) 1999-06-30 2001-01-19 Matsushita Electric Ind Co Ltd 同軸コネクタスイッチ
JP2001185296A (ja) * 1999-12-27 2001-07-06 Yamaichi Electronics Co Ltd 切替スイッチ付き同軸コネクタ
DE10061854C2 (de) * 2000-12-12 2002-11-14 Testo Gmbh & Co Kg Modul für Messzwecke
ATE328400T1 (de) * 2003-03-19 2006-06-15 Sony Ericsson Mobile Comm Ab Schaltbare antennenanordnung
WO2004084427A1 (fr) * 2003-03-19 2004-09-30 Sony Ericsson Mobile Communications Ab Antenne commutable

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286335A (en) * 1979-11-08 1981-08-25 Motorola, Inc. Coaxial dual antenna connection arrangement for communications apparatus

Also Published As

Publication number Publication date
EP0924810A3 (fr) 2002-09-25
EP0924810A2 (fr) 1999-06-23

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