EP2525439B1 - Dispositif de communication mobile sans fil incluant un ensemble d'antenne disposant de bras de conducteur parallèle à l'écart et procédés associés - Google Patents

Dispositif de communication mobile sans fil incluant un ensemble d'antenne disposant de bras de conducteur parallèle à l'écart et procédés associés Download PDF

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Publication number
EP2525439B1
EP2525439B1 EP11166999.0A EP11166999A EP2525439B1 EP 2525439 B1 EP2525439 B1 EP 2525439B1 EP 11166999 A EP11166999 A EP 11166999A EP 2525439 B1 EP2525439 B1 EP 2525439B1
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EP
European Patent Office
Prior art keywords
communications device
wireless communications
mobile wireless
antenna assembly
conductor
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.)
Active
Application number
EP11166999.0A
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German (de)
English (en)
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EP2525439A1 (fr
Inventor
Shing Lung Steven Yang
Firass Mirza Badaruzzaman
Brian Francisco Rojas
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.)
BlackBerry Ltd
Original Assignee
BlackBerry Ltd
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Publication date
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Priority to EP11166999.0A priority Critical patent/EP2525439B1/fr
Priority to CA2777129A priority patent/CA2777129A1/fr
Publication of EP2525439A1 publication Critical patent/EP2525439A1/fr
Application granted granted Critical
Publication of EP2525439B1 publication Critical patent/EP2525439B1/fr
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Classifications

    • 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
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • 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
    • 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

Definitions

  • the present disclosure generally relates to the field of wireless communications systems, and, more particularly, to mobile wireless communications devices and related methods.
  • cellular telephones allow users to place and receive voice calls almost anywhere they travel.
  • cellular telephone technology has increased, so too has the functionality of cellular devices and the different types of devices available to users.
  • PDA personal digital assistant
  • multi-function devices may also allow users to wirelessly send and receive electronic mail (email) messages and access the Internet via a cellular network and/or a wireless local area network (WLAN), for example.
  • email electronic mail
  • WLAN wireless local area network
  • a built-in patch antenna which includes patch elements of different sizes and capable of being tuned to different frequency bands. On each patch element is formed a slot which divides the patch element into sub-parts. Each sub-part of a patch element is structured so as to be resonant at a frequency in the same frequency band to which the patch element is tuned.
  • Japanese Patent Application Publication No. 2008-160319 is directed to a multifrequency antenna element which has excellent communication sensitivity not only in a WAN band but also in a DVBH-GPS band, has a simple structure and is suitable for downsizing as well, in an antenna to be incorporated inside information terminal equipment such as a personal computer or a PDA.; Based on the antenna element which includes a high frequency radiation element and a low frequency side radiation element in a narrow width shape and for which an open space is formed between the tip end of the latter and a ground plate, by extending an element for an intermediate frequency from the side face of the high frequency radiation element to the open space further, a DVBH-GPS bandwidth is widened in addition to a WAN bandwidth by interaction among the three, which are the tip end of the low frequency side radiation element, a third radiation element and the ground plate.
  • U.S. Patent Application Publication No. 2007/0152881 is directed to an antenna (100) provided, which can be used in a wireless communication device or a base transceiver station forming part of the infrastructure of a wireless communication system.
  • the antenna includes a first plate conductor (102) and a second plate conductor (104), which are substantially asymmetric.
  • the first plate conductor and the second plate conductor are separated by a central slot (106) and include respective primary feed points proximate the central slot, which are adapted for receiving a differential signal from a differential signal source (108).
  • the first plate conductor and the second plate conductor exhibit at least a first frequency response (F1) and a second frequency response (F2) dependent on various dimensions of both the first plate conductor and the second plate conductor, relative to their respective primary feed point.
  • a mobile wireless communications device 30 illustratively includes a portable housing 31 and a dielectric substrate 32, for example, a printed circuit board (PCB), carried by the portable housing.
  • the portable housing 31 has an upper portion and a lower portion.
  • a wireless transceiver 33 is carried by the portable housing 31.
  • the dielectric substrate 32 may be replaced by or used in conjunction with a metal chassis or other substrate.
  • the dielectric substrate 32 may also include a conductive layer (not shown) defining a ground plane.
  • a satellite positioning signal receiver 34 is also carried by the portable housing 31.
  • the satellite positioning signal receiver 34 may be a Global Positioning System (GPS) satellite receiver, for example.
  • GPS Global Positioning System
  • the exemplary device 30 further illustratively includes a display 60 and a plurality of control keys including an "off hook” (i.e., initiate phone call) key 61, an "on hook” (i.e., discontinue phone call) key 62, a menu key 63, and a return or escape key 64. Operation of the various device components and input keys, etc., will be described further below with reference to FIG. 8 .
  • the device 30 further illustratively includes an antenna assembly 35 carried adjacent the upper portion of the portable housing 31 .
  • the antenna assembly 35 is advantageously a two-arm planar inverted F-antenna (PIFA) that is tuned to different frequency bands, for example.
  • the antenna assembly 35 illustratively includes a base electrical conductor 36 supported by the dielectric substrate 32 .
  • the base electrical conductor 36 has a pair of shorted antenna feed points 37a , 37b defined therein by a base electrical conductor slot 46 .
  • the pair of shorted antenna feed points 37a , 37b may not be defined by the base electrical conductor slot 38 , for example. In other words, the base electrical conductor 37 may not include the base electrical conductor slot 46 .
  • the base electrical conductor slot 46 advantageously tunes the impedance of the antenna assembly 35 .
  • the shorted antenna feed points 37a , 37b are coupled to the wireless transceiver 33 and the satellite positioning receiver 34. In some embodiments, the antenna feed points 37a , 37b may not be shorted.
  • the first and second conductive feeds 47a , 47b may be coupled between the shorted feed points 37a , 37b and the dielectric substrate 32 to space the antenna assembly above the dielectric substrate 32 ( FIG. 3 ).
  • the antenna assembly 35 also includes first and second conductor arms 43 , 44 extending outwardly from the base electrical conductor 36 and supported by the dielectric substrate 32 .
  • the first and second conductor arms 43 , 44 are illustratively rectangular in shape and spaced apart and parallel. In other words, the first and second conductor 43 , 44 arms may resemble a tuning fork.
  • the first and second conductor arms 43 , 44 may be other shapes.
  • the length of the first and second conductor arms 43 , 44 are tuned to excite the common mode.
  • the first and second arms have an equal length so that they may be tuned to resonate at 1.575 GHz, which is advantageously in the GPS frequency band.
  • the length of the first and second conductor arms 43 , 44 may be different and may be tuned to resonate at another frequency within another frequency band.
  • the length of the slot 41 or space between the first and second conductor arms 43 , 44 advantageously is tuned to excite the slot mode.
  • the length of the slot 41 may be tuned to resonate at 2.4 GHz, which is advantageously in the wireless local/personal area network (WLAN/PAN), Bluetooth, WiFi frequency band.
  • the length of the slot 41 may be tuned to resonate at another frequency within another frequency band.
  • a matching circuit 45 may be carried by the housing 31 and/or dielectric substrate 32 , and coupled to the antenna assembly 35 .
  • the matching circuit 45 may further improve impedance matching of the antenna assembly 35 , as will be appreciated by those skilled in the art.
  • Other or additional circuitry or electric components may also be carried by the housing 31 and/or dielectric substrate 32.
  • a controller 38 or processor may also be carried by the PCB 32 .
  • the controller 38 may cooperate with the other components, for example, the antenna assembly 35 , the satellite positioning signal receiver 34 , and the wireless transceiver 33 to coordinate and control operations of the mobile wireless communications device 30 .
  • Operations may include mobile voice and data operations, including email and Internet data.
  • the graphs 48 , 49 in FIGS. 4a and 4b respectively, the simulated surface currents for the antenna assembly 35 illustrated in FIGS. 2 and 3 are illustrated. More particularly, the graph 48 in FIG. 4a illustrates the surface current for the antenna assembly 35 operating in the common mode at 1.575 GHz. The graph 49 in FIG. 4b illustrates the surface current for the antenna assembly 35 operating in the slot mode at 2.45 GHz.
  • the measured performance is illustratively measured by return loss in dB and efficiency at the given frequencies.
  • the return loss 51 is illustratively reduced near the GPS and WiFi frequency bands, i.e. 1.575 GHz and 2.4 GHz, respectively.
  • the efficiency at the GPS frequency band 52 illustratively about 24%.
  • the efficiency at the WiFi frequency band 53 is illustratively between about 49-52%.
  • the antenna assembly 35' may be carried by a flexible dielectric substrate 39'.
  • the antenna assembly 35' may be a printed pattern on the flexible dielectric substrate 39' , or may be implemented thereon by other selective plating technologies, for example, laser direct structuring (LDS) or 2-shot molding.
  • LDS laser direct structuring
  • the flexible dielectric substrate 39' may be included with another PCB (not shown), for example, the device PCB, for carrying other components or circuitry, for example, the controller 38', the display 60', the wireless transceiver 33' , and the satellite positioning signal receiver 34' .
  • the flexible dielectric substrate 39' may advantageously allow for conforming of the antenna assembly 35' with the back of the portable housing 31'.
  • the flexible substrate 39' may include an adhesive layer (not shown), for example, a pressure sensitive adhesive, on an underside thereof to mount with the mobile wireless communications device 30'.
  • a copper layer (not shown) may be carried on a front side of the flexible substrate 39'.
  • Additional circuitry may be carried by the flexible substrate 39'.
  • a microphone (not shown) may be carried by the flexible substrate 39' .
  • a camera flash 59' may also be carried by the flexible substrate 39' adjacent ends of the first and second conductor arms 43', 44' opposite the base electrical conductor 36' .
  • a switch circuit 53 ' may also be carried by the flexible substrate 39'.
  • Other or different electronic components may be carried by the flexible substrate 39'.
  • the first and second conductor arms 43' , 44' are illustratively spaced apart, parallel, and extend outwardly from the base electrical conductor 36'.
  • the first and second conductor arms 43', 44' are angled with respect to the base electrical conductor slot 46'.
  • the first and second conductor arms 43' , 44' are at an angle greater than ninety degrees with respect to the base electrical conductor slot 46'.
  • the first and second conductor arms 43' , 44' define an L-shape, or more particularly, a lazy L-shape, with respect to the base electrical conductor slot 46' .
  • the first and second conductors 43', 44' may be at any angle with respect to the base electrical conductor slot 46' or may be at no angle at all, i.e. zero degrees.
  • the linear efficiency 81 is about 32% across the GPS frequency band.
  • the linear efficiency 83 is about 40-49% across the WLAN frequency band.
  • the return loss 85 in dB is reduced in the 1.49-1.59 GHz frequency band (i.e. GPS), and 2.37-2.5 GHz frequency band (i.e. WLAN).
  • the dual band functionality of the antenna assembly 35 may be particularly useful in the design of a mobile wireless communications device, for example, the mobile wireless communications device 30.
  • the antenna assembly 35 advantageously reduces space occupied in the housing 31 and cost as compared to using two individual antennas, for example. Indeed, while the size of the antenna assembly 35 may be reduced, the performance of the antenna assembly may be maintained, for example, to support requirements of different wireless service carriers.
  • a method aspect is directed to a method of making an antenna assembly 35 for a mobile wireless communications device 30 that includes a portable housing 31, a wireless transceiver 33 carried by the portable housing, and a satellite positioning signal receiver 34 carried by the portable housing.
  • the method includes forming a base electrical conductor 36 to have a pair of antenna feed points 37a , 37b and to be coupled to the wireless transceiver 33 , and the satellite positioning signal receiver 34 .
  • the method also includes forming first and second parallel conductor arms 43 , 44 to be spaced apart, parallel, and extend outwardly from the base electrical conductor 36 .
  • Another method aspect is directed to a method of forming a mobile wireless communications device 30 including a portable housing 31 , a wireless transceiver 33 carried by the portable housing, and an antenna assembly 35 carried by the portable housing.
  • the method includes forming a base electrical conductor 36 having a slot 46 therein defining pair of antenna feed points 37a , 37b and coupled to the wireless transceiver 33 .
  • the method also includes forming first and second conductor arms 43 , 44 being spaced apart, parallel, and extending outwardly from the base electrical conductor 36 .
  • the first and second conductor arms 43 , 44 are angled with respect to the slot 46 .
  • the device 1000 illustratively includes a housing 1200 , a keyboard or keypad 1400 and an output device 1600 .
  • the output device shown is a display 1600 , which may comprise a full graphic LCD. Other types of output devices may alternatively be utilized.
  • a processing device 1800 is contained within the housing 1200 and is coupled between the keypad 1400 and the display 1600 . The processing device 1800 controls the operation of the display 1600 , as well as the overall operation of the mobile device 1000 , in response to actuation of keys on the keypad 1400 .
  • the housing 1200 may be elongated vertically, or may take on other .sizes and shapes (including clamshell housing structures).
  • the keypad may include a mode selection key, or other hardware or software for switching between text entry and telephony entry.
  • FIG. 8 In addition to the processing device 1800 , other parts of the mobile device 1000 are shown schematically in FIG. 8 . These include a communications subsystem 1001 ; a short-range communications subsystem 1020 ; the keypad 1400 and the display 1600 , along with other input/output devices 1060 , 1080 , 110fl and 1120 ; as well as memory devices 1160 , 1180 and various other device subsystems 1201 .
  • the mobile device 1000 may comprise a two-way RF communications device having data and, optionally, voice communications capabilities. In addition, the mobile device 1000 may have the capability to communicate with other computer systems via the Internet.
  • Operating system software executed by the processing device 1800 is stored in a persistent store, such as the flash memory 1160 , but may be stored in other types of memory devices, such as a read only memory (ROM) or similar storage element.
  • system software, specific device applications, or parts thereof may be temporarily loaded into a volatile store, such as the random access memory (RAM) 1180 .
  • Communications signals received by the mobile device may also be stored in the RAM 1180 .
  • the processing device 1800 in addition to its operating system functions, enables execution of software applications 1300A-1300N on the device 1000 .
  • a personal information manager (PIM) application may be installed during manufacture.
  • the PIM may be capable of organizing and managing data items, such as e-mail, calendar events, voice mails, appointments, and task items.
  • the PIM application may also be capable of sending and receiving data items via a wireless network 1401 .
  • the PIM data items may be seamlessly integrated, synchronized and updated via the wireless network 1401 with corresponding data items stored or associated with a host computer system.
  • the communications subsystem 1001 includes a receiver 1500, a transmitter 1520, and one or more antennas 1540 and 1560.
  • the communications subsystem 1001 also includes a processing module, such as a digital signal processor (DSP) 1580 , and local oscillators (LOs) 1601 .
  • DSP digital signal processor
  • LOs local oscillators
  • a mobile device 1000 may include a communications subsystem 1001 designed to operate with the Mobitex TM , Data TAC TM or General Packet Radio Service (GPRS) mobile data communications networks, and also designed to operate with any of a variety of voice communications networks, such as AMPS, TDMA, CDMA,..WCDMA, PCS, GSM, EDGE, etc. Other types of data and voice networks, both separate and integrated, may also be utilized with the mobile device 1000 .
  • the mobile device 1000 may also be compliant with other communications standards such as 3GSM, 3GPP, UMTS, 4G, etc.
  • Network access requirements vary depending upon the type of communication system. For example, in the Mobitex and DataTAC networks, mobile devices are registered on the network using a unique personal identification number or PIN associated with each device. In GPRS networks, however, network access is associated with a subscriber or user of a device. A GPRS device therefore typically involves use of a subscriber identity module, commonly referred to as a SIM card, in order to operate on a GPRS network.
  • SIM card subscriber identity module
  • the mobile device 1000 may send and receive communications signals over the communication network 1401 .
  • Signals received from the communications network 1401 by the antenna 1540 are routed to the receiver 1500 , which provides for signal amplification, frequency down conversion, filtering, channel selection, etc., and may also provide analog to digital conversion. Analog-to-digital conversion of the received signal allows the DSP 1580 to perform more complex communications functions, such as demodulation and decoding.
  • signals to be transmitted to the network 1401 are processed (e.g . modulated and encoded) by the DSP 1580 and are then provided to the transmitter 1520 for digital to analog conversion, frequency up conversion, filtering, amplification and transmission to the communication network 1401 (or networks) via the antenna 1560 .
  • the DSP 1580 provides for control of the receiver 1500 and the transmitter 1520 .
  • gains applied to communications signals in the receiver 1500 and transmitter 1520 may be adaptively controlled through automatic gain control algorithms implemented in the DSP 1580 .
  • a received signal such as a text message or web page download
  • the communications subsystem 1001 is input to the processing device 1800 .
  • the received signal is then further processed by the processing device 1800 for an output to the display 1600, or alternatively to some other auxiliary I/O device 1060 .
  • a device may also be used to compose data items, such as e-mail messages, using the keypad 1400 and/or some other auxiliary I/O device 1060 , such as a touchpad, a rocker switch, a thumb-wheel., or some other type of input device.
  • the composed data items may then be transmitted over the communications network 1401 via the communications subsystem 1001 .
  • a voice communications mode In a voice communications mode, overall operation of the device is substantially similar to the data communications mode, except that received signals are output to a speaker 1100 , and signals for transmission are generated by a microphone 1120.
  • Alternative voice or audit I/0 subsystems such as a voice message recording subsystem, may also be implemented on the device 1000.
  • the display 1600 may also be utilized in voice communications mode, for example to display the identity of a calling party, the duration of a voice call, or other voice call related information.
  • the short-range communications subsystem enables communication between the mobile device 1000 and other proximate systems or devices, which need not necessarily be similar devices.
  • the short-range communications subsystem may include an infrared device and associated circuits and components, a Bluetaoth TM communications module to provide for communication with similarly-enabled systems and devices, or a near field communications (NFC) sensor for communicating with a NFC device or NFC tag via NFC communications.
  • NFC near field communications

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

Claims (11)

  1. Dispositif de communication mobile sans fil (30), comprenant :
    un boîtier portatif (31) ;
    au moins un émetteur-récepteur sans fil (33) supporté par ledit boîtier portatif (31) ;
    au moins un récepteur de signal de localisation par satellite (34) supporté par ledit boîtier portatif (31) ; et
    un ensemble d'antenne (35) supporté par ledit boîtier portatif (31) et comprenant :
    un conducteur électrique de base (36) offrant une paire de points d'alimentation d'antenne (37a, 37b) qui y est défini et qui est couplé audit au moins un émetteur-récepteur sans fil (33) et audit au moins un récepteur de signal de localisation par satellite (34)
    et
    des première et seconde branches conductrices (43, 44) ayant la même longueur, écartées l'une de l'autre, parallèles et s'étendant vers l'extérieur à partir dudit conducteur électrique de base (36),
    caractérisé en ce que :
    la même longueur desdites première et seconde branches conductrices définit un noeud commun adapté à une fréquence de fonctionnement dudit au moins un récepteur de signal de localisation par satellite
    l'espace entre lesdites première et seconde branches conductrices définit un mode à encoche adapté à une fréquence de fonctionnement dudit au moins un récepteur de signal de localisation par satellite.
  2. Dispositif de communication mobile sans fil (30) selon la revendication 1, dans lequel ledit ensemble d'antenne (35) comprend en outre un substrat diélectrique (32) supportant ledit conducteur électrique de base (36) et lesdites première et seconde branches conductrices (43, 44).
  3. Dispositif de communication mobile sans fil (30) selon la revendication 2, dans lequel ledit substrat diélectrique (32) consiste en un substrat diélectrique flexible (39).
  4. Dispositif de communication mobile sans fil (30) selon la revendication 2, comprenant en outre au moins un composant électronique porté par ledit substrat diélectrique (32) .
  5. Dispositif de communication mobile sans fil (30) selon la revendication 1, dans lequel lesdites première et seconde branches conductrices (43, 44) ont une forme rectangulaire.
  6. Dispositif de communication mobile sans fil (30) selon la revendication 1, dans lequel la paire de points d'alimentation d'antenne (37a, 37b) consiste en une paire de points d'alimentation d'antenne (37a, 37b) raccourcis.
  7. Dispositif de communication mobile sans fil (30) selon la revendication 1, comprenant en outre un circuit d'adaptation d'impédance (45) supporté par ledit boîtier (31) et couplé audit ensemble d'antenne (35).
  8. Dispositif de communication mobile sans fil (30) selon la revendication 1, dans lequel ledit ensemble d'antenne (35) est configuré pour fonctionner dans au moins une des bandes suivantes : bande de système de localisation mondial (GPS), bande de réseau local sans fil (WLAN) et bande de réseau personnel (PAN).
  9. Procédé de fabrication d'un dispositif de communication mobile sans fil (30) comprenant un boîtier portatif (31), au moins un émetteur-récepteur sans fil (33) supporté par le boîtier portatif (31) et au moins un récepteur de signal de localisation par satellite (34) supporté par le boîtier portatif (31), le procédé comprenant les étapes consistant à :
    former un ensemble d'antenne en exécutant au moins les étapes consistant à :
    former un conducteur électrique de base (36) offrant une paire de points d'alimentation d'antenne (37a, 37b) et qui est couplé audit au moins un émetteur-récepteur sans fil (33) et audit au moins un récepteur de signal de localisation par satellite (34) et
    former des première et seconde branches conductrices parallèles (43, 44) ayant la même longueur, écartées l'une de l'autre, parallèles et s'étendant vers l'extérieur à partir dudit conducteur électrique de base (36),
    la même longueur desdites première et seconde branches conductrices définissant un noeud commun adapté à une fréquence de fonctionnement dudit au moins un récepteur de signal de localisation par satellite,
    l'espace entre lesdites première et seconde branches conductrices définissant un mode à encoche adapté à une fréquence de fonctionnement dudit au moins un récepteur de signal de localisation par satellite.
  10. Procédé selon la revendication 9, comprenant en outre l'étape consistant à former le conducteur électrique de base (36) et les première et seconde branches conductrices (43, 44) sur un substrat diélectrique (32).
  11. Procédé selon la revendication 10, dans lequel le substrat diélectrique (32) consiste en un substrat diélectrique flexible (39).
EP11166999.0A 2011-05-20 2011-05-20 Dispositif de communication mobile sans fil incluant un ensemble d'antenne disposant de bras de conducteur parallèle à l'écart et procédés associés Active EP2525439B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11166999.0A EP2525439B1 (fr) 2011-05-20 2011-05-20 Dispositif de communication mobile sans fil incluant un ensemble d'antenne disposant de bras de conducteur parallèle à l'écart et procédés associés
CA2777129A CA2777129A1 (fr) 2011-05-20 2012-05-16 Dispositif de communication mobile sans fil muni d'une antenne et de bras conducteurs paralldles espaces et procedes d'utilisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11166999.0A EP2525439B1 (fr) 2011-05-20 2011-05-20 Dispositif de communication mobile sans fil incluant un ensemble d'antenne disposant de bras de conducteur parallèle à l'écart et procédés associés

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EP2525439A1 EP2525439A1 (fr) 2012-11-21
EP2525439B1 true EP2525439B1 (fr) 2014-02-19

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CN103001702B (zh) * 2012-12-31 2015-07-29 深圳东志科技有限公司 一种双WiFi光网络单元

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Publication number Priority date Publication date Assignee Title
US6343208B1 (en) * 1998-12-16 2002-01-29 Telefonaktiebolaget Lm Ericsson (Publ) Printed multi-band patch antenna
US6762723B2 (en) * 2002-11-08 2004-07-13 Motorola, Inc. Wireless communication device having multiband antenna
US7042403B2 (en) * 2004-01-23 2006-05-09 General Motors Corporation Dual band, low profile omnidirectional antenna
US20070152881A1 (en) * 2005-12-29 2007-07-05 Chan Yiu K Multi-band antenna system
US8738103B2 (en) * 2006-07-18 2014-05-27 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
JP4880439B2 (ja) * 2006-12-21 2012-02-22 日星電気株式会社 アンテナエレメント

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CA2777129A1 (fr) 2012-11-20

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