WO2001033663A1 - Dispositif antenne, son procede de production et piece de contact d'un tel dispositif antenne - Google Patents

Dispositif antenne, son procede de production et piece de contact d'un tel dispositif antenne Download PDF

Info

Publication number
WO2001033663A1
WO2001033663A1 PCT/SE2000/002007 SE0002007W WO0133663A1 WO 2001033663 A1 WO2001033663 A1 WO 2001033663A1 SE 0002007 W SE0002007 W SE 0002007W WO 0133663 A1 WO0133663 A1 WO 0133663A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna device
inner support
radiating
slit
contact clip
Prior art date
Application number
PCT/SE2000/002007
Other languages
English (en)
Inventor
Stefan Morén
Carl Larsson
Amir Mosavi
Fredrik PÅHLMAN
Johan Widfeldt
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
Priority claimed from SE9903954A external-priority patent/SE9903954L/xx
Application filed by Allgon Ab filed Critical Allgon Ab
Priority to AU13171/01A priority Critical patent/AU1317101A/en
Publication of WO2001033663A1 publication Critical patent/WO2001033663A1/fr

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
    • 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
    • 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
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40—Element having extended radiating surface
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • 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
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/02—Connectors or connections adapted for particular applications for antennas

Definitions

  • ANTENNA DEVICE A METHOD FOR ITS MANUFACTURE AND A CONTACT CLIP FOR SUCH ANTENNA DEVICE
  • the present invention re ' lates to an antenna device according to the introductory portion of the appended independent claim 1
  • the invention concerns an antenna device for a hand-portable mobile telephone, which requires a compact and efficient antenna. Further it relates to a contact clip for such antenna device according to the introductory portion of the appended independent claim 22, to a contact clip for such antenna device according to the introductory portion of the appended independent claim 25 and to a method for manufacturing an antenna device according to the introductory portion of the appended independent claim 26.
  • Antennas in general and antennas for hand-portable radio communication devices in particular are going through a rapid evolution towards smaller sizes and lighter weights.
  • the demands in the mobile radio business for smaller and lighter devices forwards requirements also on the antennas for such devices .
  • the applicants antenna devices of the kind mentioned above often include a radiating pattern applied on an adhesive tape.
  • the tape carrying the pattern is attached to the support, which is cylindrical or a part of a cone.
  • a cover which could be elastic, is then pushed over the radiating pattern and the support, possibly during expansion of the cover.
  • An example of an antenna device that can be manufactured in such a way is disclosed in WO-Al-97/49 ' 141 and WO-A1-99/50927, and described in the EP patent application no. 99850020.1.
  • an antenna means which is simple in its design and is suited for manufacturing cost-effectively in large quantities.
  • a resilient support Through the arrangement of a resilient support the mechanical tolerances on the parts of the antenna device can be rather high. This results in lower rejection rate in manufacture, than for prior art antenna devices.
  • a contact clip is provided, which is especially advantageous when providing an antenna device with which at least some of the problems mentioned above are eliminated or reduced.
  • Fig. 1 shows one possible application of an antenna device according to the invention.
  • Fig. 2 shows a side view of an antenna device according to the invention.
  • Fig. 3 shows a front view of an antenna device according to the invention.
  • Figs. 4-6 show different views of different variations of carriers comprised in an antenna device according to the invention.
  • Fig. 7 shows a cross section of a possible carrier comprised in an antenna device according to the invention.
  • Fig. 8 shows a further variation of a carrier, which can be comprised in the antenna device according to the invention.
  • Fig. 9 shows a cross section taken at IX-IX in figure 3.
  • Fig. 10 shows a further embodiment of an antenna device according to the invention.
  • Figs. 11-14 show different radiating structures, which can be comprised in an antenna device according to the invention.
  • Figs. 15-18 show different ways of arranging contact devices for establishing electric contact with a feed means of the radiating structure of an antenna device according to the invention.
  • Fig. 19 shows a side view of an antenna device of a further embodiment according to the invention.
  • Fig. 20 shows a cross section taken at XX-XX in figure 19.
  • Fig. 21 shows a contact clip according to the invention.
  • a hand portable mobile telephone 1 is provided with an antenna device 2, according to the invention.
  • the antenna device 2 includes an outer dielectric cover 3 whereof a top portion is seen when mounted on a telephone (as in fig. 1) .
  • Portion 31 is an interface portion and is to be inserted into a hole or receiving device of a housing of a radio communication device, such as a telephone. It is therefore preferable that portion 31 has smaller outer dimensions than the top portion.
  • the cover is provided with a snap-in device 37, 32, whereof a shoulder 32' cf the snap-in device is adapted to co-act with a corresponding part on the housing or its receiving device, in order to achieve mechanical locking of the antenna device 2.
  • Portion 37 of the snap-in device is formed of a portion of a wall of the housing by means of slits 33, 33', and acts as a leaf spring.
  • the lower portion of the cover 3 is also provided with an opening 34. This opening can provide access to a feed portion 51 of a radiating structure accommodated in the housing 3. Opening 34 could also be provided for the purpose of reducing the size of the interface. In such a case a second opening can be provided in order to give access to the feed portion 51. _ -. ' r
  • the antenna device is seen in a front view.
  • a member 4 carrying the feed portion 51, is seen through the opening 34.
  • Member 4 is a dielectric support or carrier for the radiating structure or radiating element (s).
  • the support 4 is provided with a slit 41, preferably open in both ends.
  • the support 4 also has a generally cylindrical outer shape, although it preferably is open inside by means of a channel. It can also be seen to have a generally tubular shape.
  • the outer shape of the support 4 should essentially correspond to the shape of cavity 38 of the cover 3 into which it is to be inserted (fig. 9).
  • the support In its free state, as seen in figs. 4-7, the support has circumferential dimensions (perpendicular to the slit) being greater then the corresponding circumferential dimensions of the cavity 38 of the cover 3. To insert the support 4 into the cavity 38, the support 4 is forced to reduce the outer dimensions thereof.
  • the support is made of an elastic or resilient dielectric material, so that when a pressure is applied said dimensions decrease when overcoming a spring force working against said applied pressure. Preferably no compression or deformation takes place in the walls of the support 4, other than those necessary for achieving spring action.
  • the so described support thus includes a slit spring action means.
  • the support 4 could also be said to be a spring pin.
  • the cross sections of the generally cylindrical support 4 could be circular, elliptical or of any other suitable shape, e.g. of a polygon.
  • the support 4 is preferably more resilient or elastic than the cover 3, at least in the directions mentioned.
  • the support is provided with a cut-in portion 42, which corresponds to the opening 34 of the cover 3.
  • Fig. 5 shows the support 4 provided with walls forming a channel 43, in the interior cavity of the support 4.
  • the wall portion 45 of the support is provided with a cut-in portion 42' on the outside, opposing the channel 43.
  • the feed portion 51 of the radiating structure is to be located on the cut-out portion 42' .
  • the purpose of channel 43 is to accommodate a portion of, or guide a contact device, which is connected the feed portion 51 and further will connect to circuits of the radio communication device, preferably to a PCB.
  • the spring force of the snap-in device 37, 32 can be increased by the support, which is resilient and partially in contact with the snap-in device 37, 32.
  • the support can carry one or more slits 46 to form a tongue to be in contact with the snap-in device 37, 32, as illustrated in fig. 6.
  • the tongue portion could alternatively be removed.
  • the support 4 is shown in a cross section. In the cavity of the support 4, the walls are provided with walls forming channels 44, 44' . When compressing the support, pins can be inserted in the channels 44, 44' and be forced towards each other. Alternative possible locations of the channels 44, 44' are shown with broken lines.
  • Fig. 8 shows a further variation of the support.
  • the support ⁇ has a shape of a frustum of a cone, and the slit 41 only extends along a part of the support.
  • the support could alternatively be a combination of a cylinder and a cone or a frustum of a cone.
  • the cover is preferably given a corresponding shape, at least in the interior.
  • Fig.9 is a section taken at IX-IX in fig. 2.
  • the support 4 is placed in the cover 3, and how a radiating structure 5, 5' is located between the support 4 and the cover 3.
  • the pressure exerted by the support presses the radiating structure 5, 5' against the inner wall of the cover 3.
  • the inner wall of the cover 3 is provided with a guiding device 35.
  • This is a knob or protrusion, which can be boss-like.
  • the guiding device co-acts with a slit in the support, e.g. slit 41. It can thus be secured that the radiating structure 5, 5' has the desired orientation in the antenna device.
  • the support 4 is locked in its inserted position and prevented from sliding out from the cover, by means of stopping devices 36, 36' , co-acting with the lower edge(s) of the support.
  • a stopping device 36, 36' is a protrusion in the form of a rib 36 or a knob, which can be boss-like. In the figure the stopping device 36' is located at the snap-in device 37, 32. Although two stopping devices 36, 36' are shown it is sufficient with one stopping device.
  • Reference numeral 7 denotes a longitudinal axis of the support 4 and cover 3.
  • Fig. 10 shows a further embodiment of an antenna device according to the invention.
  • an extendable/retractable whip antenna 9 is arranged to be slidable through the support 4 and ' , the cover 3 to provide a dual mode antenna combination with the radiating structure 5, 5' .
  • a knob 91 is provided at the top of the whip antenna 9, a knob 91 is provided.
  • the bottom portion of the whip antenna 9 is not shown since the antenna is shown broken. However, the bottom portion is provided with a stopping and feed device, co- acting with stopping and feeding devices arranged in the bottom part of the antenna device.
  • Figs. 11-14 show examples of different radiating patterns 5, 5' or structures which can be used in the antenna device according to the invention.
  • Portion 5' is adapted for operation in a higher frequency band then portion 5.
  • the patterns are carried on a dielectric carrier 6, which is to be attached to the support 4 by means of an adhesive or other suitable means.
  • the carrier is attached on the carrier so that the edges 61, 62 are preferably located on each side of the slit 41.
  • the carrier can be attached in the cover, or the adhesive can be provided on the support or in the cover.
  • the different radiating patterns 5, 5' or structures are printed or etched directly on the carrier or the cover.
  • the radiating structure could also be formed as a single structure (without carrier) attached on the carrier or cover in any other suitable way, e.g. pressed between the carrier and the cover.
  • the feed portion 51 of the radiating structure 5, 5' is to be conductively connected with circuits of the radio communic ⁇ :ion device. This can be made by suitable contact members in the radio communication device, e.g. located on a PCB, or on a feed line, which contact the feed portion 51. This can be facilitated by means of a conductive spring clip 8 (fig. 15
  • the spring clip 8 can then act as a contact surface to contact members connected to the radio communication device.
  • FIG 16. An alternative contact member to be attached to the support is shown in figure 16.
  • the feed portion 51 is folded around the . - " wall portion 45 and extends into channel 43.
  • a spring clip 8'i ' is. introduced in the channel 43 and presses a portion of the feed portion against the wall portion 45 by means of spring force in the curved spring clip 8' when being pressed into channel 43.
  • the spring clip 8' is provided with a contact surface 81 having a defined contact portion for establishing contact with mating contact members.
  • a further alternative contact member to be attached to the support is shown in figure 17. It is similar -to that shown in figure 15, but provided with a curved portion in order to provide a resilient contact portion.
  • FIG 18 A yet further alternative contact member to be attached to the support is shown in figure 18. It is similar to that shown in figure 17, but adapted to be partly inserted into channel 43.
  • Figure 19 is a view similar to that of figure 2.
  • the antenna device 2 shown in figure 19 is provided with a contact clip 85 for connection to circuits of the radio communication device, as described above. Even if no opening like opening 34 in figure 2 is shown, the antenna device in this further embodiment could be provided with a such.
  • Figure 20 shows the antenna device in a cross section taken at XX-XX in figure 19.
  • the carrier 4 is constituted of a thin or flexible dielectric substrate e.g. a flex film, and the
  • radiating element (s) or pattern (s) is (are) arranged on the substrate, preferably arranged on the side facing the center of the antenna device (inwards) .
  • the substrate will be like a sheet formed like a tube with a slit, and will thus act as a slit spring. Slit spring action will also be obtained if the substrate is arranged with overlap.
  • the substrate 4 and the radiating element (s) or pattern (s) can be of the kinds shown in figures 11-14.
  • the substrate can be retained or kept in position by means of ribs or protrusions coacting with a lower edge 47 of the substrate 4.
  • Contact clips or devices as shown above can be used for contacting the antenna device to circuits of the radio communication device.
  • a further contact clip 85 is shown.
  • This contact clip 85 also has a retaining or supporting function on the substrate 4, and is shown in a different view in figure 21.
  • the contact clip 85 includes a vertical section 82, whereof a portion 82' is arranged to galvanically contact a feed portion 51 of a radiating element.
  • the contact clip 85 is so formed that portion 82' exerts a spring force on the feed portion 51.
  • Portion 82'' is arranged for contacting a PCB or other contact devices for establishing contact to circuits of the radio communication device.
  • the contact clip 85 also includes a section 83 connected to section 82.
  • Section 83 has the shape of a short tube with a slit. The shape and material of section 83 is selected so that a slit spring action is obtained when the contact clip is introduced into the cover 3.
  • Sections 82 and 83 can be made in one piece or two pieces that are fixed to each other.
  • protrusions or knobs 84, 84' are arranged on section 83. Those protrusions are received in corresponding recesses in the cover 3.
  • the contact clip When placed in its location, the contact clip will support the substrate 4 at its lower edge 47 and act as a retainer. Alternatively, the substrate 4 could extend further down and extend between the portion 83 of the contact clip 85 and the cover.
  • the contact clip 85 can also be said to include a curved elongated portion 82 and a portion 83 comprising two arms 83' , 83' ' extending essentially perpendicular to the elongated portion 82.
  • the radiating element (s) can be self-supporting and have slit spring action features, by making it in a ;. ' suitable material with suitable dimensions.
  • the contact clip can act as support and/or retainer, and it is also possible to make the contact clip and the radiating element in one piece.

Landscapes

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

Abstract

Le dispositif antenne (2) permet la transmission et/ou la réception de signaux RF, une pièce de contact et un procédé de production d'un tel dispositif antenne. Le dispositif antenne (2) comprend une structure support interne (4) ayant un premier axe longitudinal central et supportant un élément de rayonnement (5), et une structure support externe (3) ayant une cavité allongée et une ouverture d'entrée, et couvrant au moins la majorité de l'élément de rayonnement (5), et le support interne (4). Le support interne (4) a un moyen d'action élastique à fente exerçant une force adjacente à l'ouverture d'entrée au moins dans des directions sensiblement perpendiculaires à cet axe longitudinal. Le dispositif antenne est également doté d'un élément de retenue conçu de telle façon que la force du moyen d'action élastique à fente doit être surmontée pour que la structure support interne soit retirée de l'ouverture allongée. On peut utiliser une pièce de contact ayant des éléments d'action élastique à fente afin de mettre en contact l'élément de rayonnement et le dispositif antenne.
PCT/SE2000/002007 1999-11-01 2000-10-17 Dispositif antenne, son procede de production et piece de contact d'un tel dispositif antenne WO2001033663A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU13171/01A AU1317101A (en) 1999-11-01 2000-10-17 Antenna device, a method for its manufacture and a contact clip for such antennadevice

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9903954A SE9903954L (sv) 1999-11-01 1999-11-01 Antennanordning och metod för dess framställning
SE9903954-7 1999-11-01
SE0001098A SE0001098D0 (sv) 1999-11-01 2000-03-28 Antenna device, a method for its manufacture and a contact clip for such antenna device
SE0001098-3 2000-03-28

Publications (1)

Publication Number Publication Date
WO2001033663A1 true WO2001033663A1 (fr) 2001-05-10

Family

ID=26655043

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2000/002007 WO2001033663A1 (fr) 1999-11-01 2000-10-17 Dispositif antenne, son procede de production et piece de contact d'un tel dispositif antenne

Country Status (3)

Country Link
AU (1) AU1317101A (fr)
SE (1) SE0001098D0 (fr)
WO (1) WO2001033663A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8193998B2 (en) 2005-04-14 2012-06-05 Fractus, S.A. Antenna contacting assembly
US8738103B2 (en) 2006-07-18 2014-05-27 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
EP2741419A1 (fr) * 2012-12-10 2014-06-11 ifm electronic gmbh Détecteur de proximité inductif
US9331382B2 (en) 2000-01-19 2016-05-03 Fractus, S.A. Space-filling miniature antennas
GB2541852B (en) * 2014-07-10 2021-03-03 Motorola Solutions Inc Multiband antenna system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997049141A1 (fr) * 1996-06-15 1997-12-24 Allgon Ab Dispositif d'antenne a meandres
WO1999050927A1 (fr) * 1998-04-01 1999-10-07 Allgon Ab Elements d'antenne, procede de fabrication associe et dispositif de radiocommunication portatif
WO2000005781A1 (fr) * 1998-07-24 2000-02-03 Allgon Ab Dispositif d'antenne

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997049141A1 (fr) * 1996-06-15 1997-12-24 Allgon Ab Dispositif d'antenne a meandres
WO1999050927A1 (fr) * 1998-04-01 1999-10-07 Allgon Ab Elements d'antenne, procede de fabrication associe et dispositif de radiocommunication portatif
WO2000005781A1 (fr) * 1998-07-24 2000-02-03 Allgon Ab Dispositif d'antenne

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9331382B2 (en) 2000-01-19 2016-05-03 Fractus, S.A. Space-filling miniature antennas
US10355346B2 (en) 2000-01-19 2019-07-16 Fractus, S.A. Space-filling miniature antennas
US8193998B2 (en) 2005-04-14 2012-06-05 Fractus, S.A. Antenna contacting assembly
US8738103B2 (en) 2006-07-18 2014-05-27 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US9099773B2 (en) 2006-07-18 2015-08-04 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US9899727B2 (en) 2006-07-18 2018-02-20 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US10644380B2 (en) 2006-07-18 2020-05-05 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US11031677B2 (en) 2006-07-18 2021-06-08 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US11349200B2 (en) 2006-07-18 2022-05-31 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
US11735810B2 (en) 2006-07-18 2023-08-22 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
EP2741419A1 (fr) * 2012-12-10 2014-06-11 ifm electronic gmbh Détecteur de proximité inductif
GB2541852B (en) * 2014-07-10 2021-03-03 Motorola Solutions Inc Multiband antenna system

Also Published As

Publication number Publication date
AU1317101A (en) 2001-05-14
SE0001098D0 (sv) 2000-03-28

Similar Documents

Publication Publication Date Title
US6380895B1 (en) Trap microstrip PIFA
KR101044994B1 (ko) 휴대 단말기의 안테나 장치
FI113588B (fi) Antennirakenne
US6856285B2 (en) Multi-band PIF antenna with meander structure
EP1856764B1 (fr) Antenne multibande interne a elements plats de type bande
EP1649542B1 (fr) Antennes comprenant des canaux de guidage acoustique et terminaux sans fil comprenant ces dernieres
US20090213029A1 (en) Antenna contacting assembly
KR20010042115A (ko) 밴드 형태를 갖는 방사구조와 통합되는 광대역 안테나수단
US20010002823A1 (en) Multiple band, multiple branch antenna for mobile phone
WO2005045993A1 (fr) Antennes planaires inversees-f a courant nul entre les couplages de source et de terre et dispositifs de communication connexes
EP1378022A1 (fr) Structures d'antenne
AU3300799A (en) Antenna with two active radiators
WO2000028617A1 (fr) Configuration a antenne dipole pour terminal mobile
CN1277470A (zh) 天线结构
US6614399B2 (en) Multi-band compact tunable directional antenna for wireless communication devices
EP1792362A1 (fr) Agencement d"antennes pour un dispositif de communication radio portable et dispositif de communication radio portable comprenant un tel agencement d"antennes
JPH11177327A (ja) 逆ｆアンテナ装置
WO2001037370A1 (fr) Dispositif d'antenne, dispositif de communication comprenant ledit dispositif d'antenne et procede de fonctionnement dudit dispositif de communication
EP3352300B1 (fr) Élément d'antenne et dispositif électronique
WO2001033663A1 (fr) Dispositif antenne, son procede de production et piece de contact d'un tel dispositif antenne
WO2001024311A1 (fr) Dispositif d'antennes conçu pour etre connecte a une piece d'appareil electrique
WO2000019561A1 (fr) Antenne disque
AU748232B2 (en) Substrate antenna
KR100748865B1 (ko) 마이크로스트립 안테나를 이용한 위성 디엠비 단말기용안테나
KR100491884B1 (ko) 이동통신 단말기의 주파수 선택 표면 페인티드 안테나

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 CR CU CZ CZ DE DE DK DK DM DZ EE ES FI FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR 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 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
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

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

Ref country code: JP