WO2012157233A1 - Dispositif portatif sans fil - Google Patents

Dispositif portatif sans fil Download PDF

Info

Publication number
WO2012157233A1
WO2012157233A1 PCT/JP2012/003088 JP2012003088W WO2012157233A1 WO 2012157233 A1 WO2012157233 A1 WO 2012157233A1 JP 2012003088 W JP2012003088 W JP 2012003088W WO 2012157233 A1 WO2012157233 A1 WO 2012157233A1
Authority
WO
WIPO (PCT)
Prior art keywords
microphone
signal line
wireless device
shield pattern
microphone signal
Prior art date
Application number
PCT/JP2012/003088
Other languages
English (en)
Japanese (ja)
Inventor
弘准 菊地
真悟 角
木村　亮介
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2012157233A1 publication Critical patent/WO2012157233A1/fr

Links

Images

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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/528—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the re-radiation of a support structure

Definitions

  • the present invention relates to a portable wireless device such as a mobile phone, and more particularly to a portable wireless device having a bar structure.
  • a SAR (Specific Absorption Rate) value is used as an index representing the energy of electromagnetic waves absorbed by the human body.
  • the first and second antenna units arranged in the housing are switched and used according to the communication mode during communication, and the distance between the antenna and the human body is increased to ensure good communication.
  • a portable radio is described.
  • antenna elements when antenna elements are placed on the hinge, changes in the structure around the hinge (hinge conductor shape, upper and lower board connection lines, etc.) greatly affect antenna performance.
  • An antenna may be arranged.
  • Burst noise is noise that can be heard by the other party on the phone due to the transmission wave from the mobile phone falling on the audio system block inside the mobile phone.
  • Patent Document 2 describes a mobile phone small microphone in which a coil for high frequency cut is connected to an output terminal.
  • the output terminal and the GND terminal of the microphone are blocked by a high frequency cut coil, and the burst noise generated when the transmission wave is superimposed on the small microphone is suppressed.
  • the influence when the microphone and the antenna element are arranged close to each other at the bottom of the casing is not considered. That is, in any portable wireless device having a bar structure or a clamshell / sliding structure, when the microphone and the antenna element are arranged close to each other at the bottom of the casing, the microphone main body and the microphone signal line and the antenna element are There is a problem that the antenna performance and the acoustic performance are deteriorated due to electrical influence on each other.
  • a portable wireless device having a bar structure it is a mainstream to arrange the cellular antenna at the lower end of the casing by SAR. Moreover, the mounting volume of the portable wireless device is reduced due to the large display screen, and the cellular antenna element and the microphone are arranged close to each other.
  • An object of the present invention is to provide a portable wireless device capable of reducing the influence on the antenna performance due to the proximity of the conductor while arranging the microphone and the antenna element close to each other and achieving both the microphone acoustic performance and the antenna performance. is there.
  • the portable wireless device of the present invention is a portable wireless device having a circuit board, an antenna element connected to the circuit board, and a microphone disposed in the vicinity of the antenna element, the microphone and the circuit board.
  • a microphone signal line connecting the microphone, a shield pattern covering the microphone and the microphone signal line, loaded on the microphone signal line, and loaded between the shield pattern and the GND of the circuit board, and low in a voice band.
  • An impedance and a high impedance in the communication band, and a cutoff circuit that cuts off a high-frequency signal input to the microphone is employed.
  • the present invention it is possible to provide a portable wireless device capable of reducing the influence on the antenna performance due to the proximity of the conductor while arranging the microphone and the antenna element close to each other and achieving both the microphone acoustic performance and the antenna performance. is there.
  • the perspective view which shows schematic structure of the portable radio
  • the front view which shows the principal part of the component of the portable radio
  • the rear view which shows the principal part of the component of the portable radio
  • the side view which shows the principal part of the component of the portable radio
  • the exploded perspective view which shows the detailed structure of the microphone signal wire
  • a block diagram showing a configuration of a portable radio apparatus according to the above embodiment The principal part enlarged view of the housing
  • wireless apparatus which concerns on the said embodiment.
  • FIG. 1 is a perspective view showing a schematic configuration of a portable radio apparatus 100 according to an embodiment of the present invention.
  • 2 is a front view showing a main part of the portable radio apparatus 100 of FIG. 1
  • FIG. 3 is a rear view thereof
  • FIG. 4 is a side view thereof.
  • FIG. 4B is an enlarged view of a main part of FIG.
  • the portable radio apparatus 100 is embodied by a portable information terminal such as a PDA (Personal Digital Assistant). Further, the mobile radio apparatus 100 according to the present invention may be applied to a camera-equipped mobile phone / PHS (Personal Handy-Phone System).
  • PDA Personal Digital Assistant
  • PHS Personal Handy-Phone System
  • the portable wireless device 100 includes an input unit 101, a housing 110, a display unit 120, a circuit board 130, a microphone signal line 140, a microphone 150, and an antenna element 160. , A shield pattern 170 and a blocking circuit 180 are provided.
  • the input unit 101 is installed at a lower end (bottom) 110a of the casing below the display unit 120 described later, and is composed of function buttons. Since the display unit 120 also has the function of an input unit, the input unit 101 has an auxiliary role for input operation, has a small number of function buttons, and has a reduced mounting volume.
  • the housing 110 has a bar type structure.
  • the casing 110 is a main body side casing.
  • the display unit 120 is a large display that covers substantially the entire surface of the housing 110.
  • the display unit 120 is configured by an LCD display, an organic EL (Organic Electro-Luminescence) display, or the like, and displays details of received information, contents, and the like.
  • the display unit 120 is provided with a touch panel (not shown). Therefore, the display unit 120 also has a function of an input unit. Due to the increase in the screen size of the display unit 120, the mounting volume inside the housing 110 is reduced.
  • the circuit board 130 is a printed board on which circuit components that realize various functions of the mobile wireless device 100 are mounted. At the lower end of the circuit board 130, a board end portion 130a for connecting the antenna element 160 is formed.
  • the microphone signal line 140 (see FIG. 4) is provided so that the longitudinal direction is orthogonal to the longitudinal direction of the antenna element 160.
  • the microphone 150 is installed at the lower end portion 110a of the casing, and is connected to the circuit board 130 through the microphone signal line 140 (see FIG. 4B).
  • the microphone 150 is installed such that the longitudinal direction is orthogonal to the longitudinal direction of the antenna element 160.
  • the microphone 150 is disposed in the vicinity of the antenna element 160 connected to the circuit board 130.
  • the antenna element 160 is installed in the width direction of the housing 110 (the left-right direction in FIG. 2) and is installed in the housing lower end 110a.
  • the antenna element 160 is arranged so that the longitudinal direction is orthogonal to the longitudinal direction of the microphone signal line 140.
  • the antenna element 160 has a conductor portion 161 made of a metal frame and a power feeding portion 162.
  • the power feeding part 162 is connected to the board end part 130 a of the circuit board 130.
  • a metal having high conductivity, light weight and high strength, for example, a magnesium alloy is used for the metal frame constituting the antenna element 160.
  • the conductor portion 161 extends in the width direction of the housing 110 from the power supply portion 162 connected to the substrate end portion 130a at the housing lower end portion 110a.
  • the conductor 161 is disposed so as to bypass the sound collection hole 152 (see FIG. 5) of the microphone 150.
  • the shield pattern 170 covers the microphone signal line 140 and the microphone 150 (see FIG. 4B).
  • the blocking circuit 180 is loaded between a microphone board 145 and the circuit board 130, which will be described later, and between the shield pattern 170 and the GND of the circuit board 130, and blocks a high-frequency signal entering the microphone 150.
  • FIG. 5 is an exploded perspective view showing a detailed configuration of the microphone signal line 140 and the microphone 150.
  • FIG. 6 is an enlarged view of the main part of the housing lower end 110a of the housing 110.
  • the microphone 150 has a rectangular casing 151 and a sound collecting hole 152 that is opened at the surface end of the rectangular casing 151.
  • the microphone 150 is attached on the microphone substrate 145 on which the microphone signal line 140 is wired.
  • the microphone signal line 140 is a signal line that is orthogonal to the antenna element 160 and connects the microphone 150 and the circuit board 130.
  • the microphone signal line 140 includes a microphone signal line 141 patterned on the microphone board 145 and a microphone signal line 142 that connects the microphone signal line 141 to the circuit board 130 via the blocking circuit 180.
  • the cutoff circuit 180 is loaded between the microphone signal line 141 and the microphone signal line 142.
  • the microphone 150 is connected to a microphone substrate 145 on which a microphone signal line 141 is wired.
  • a shield pattern 170 that covers the microphone signal line 141 and the microphone 150 with a minimum width is disposed.
  • shield pattern 170 is configured by a copper foil layer formed on the back surface of microphone substrate 145.
  • the shield pattern 170 only needs to cover the microphone signal line 141 and is not limited to the copper foil layer of the substrate.
  • the shield pattern 170 may be a conductive sheet separate from the microphone substrate 145 provided on the back surface of the microphone substrate 145.
  • the shield pattern 170 is formed to have a minimum width that covers the microphone signal line 141 and the microphone 150. By forming the shield pattern 170 to a minimum width, the electrical length can be shortened. The shield pattern 170 covers from the lower end of the microphone 150 to the cutoff circuit 180.
  • the shield pattern 170 employs a configuration in which the shield pattern 170 is connected to the GND of the circuit board 130 via the cutoff circuit 180 in addition to the configuration covering the microphone signal line 141 and the microphone 150.
  • the GND connected via the cutoff circuit 180 may be a GND other than the circuit board 130.
  • the cutoff circuit 180 includes cutoff circuits L1, L3, and L4 loaded between the microphone signal line 141 on the microphone board 145 and the microphone signal line 142 on the circuit board 130, and the shield pattern 170 and the GND of the circuit board 130. It is comprised from the interruption
  • the cut-off circuit 180 (cut-off circuits L1 to L4) is constituted by an inductance L, and has a low impedance in the voice band and a high impedance in the communication band, and cuts off the high-frequency signal input to the microphone 150.
  • FIG. 7 is a block diagram showing the configuration of the portable wireless device 100. As shown in FIG.
  • the portable wireless device 100 includes a microphone 150, a microphone signal line 141, an antenna element 160, a cutoff circuit 180, and a microphone with respect to the longitudinal direction of the housing 110 from the housing lower end portion 110a.
  • the signal line 142 is arranged in this order.
  • the microphone signal lines 141 and 142 are arranged perpendicular to the antenna element 160.
  • the conductor 161 (not shown in FIG. 7) of the antenna element 160 is disposed in the vicinity of the microphone 150.
  • the portable wireless device 100 also includes a shield pattern 170 that covers the microphone signal line 141 and the microphone 150 from at least the end of the microphone 150 to the cutoff circuit 180.
  • the shield pattern 170 is formed of, for example, a copper foil layer on the back surface of the microphone substrate 145.
  • cutoff circuits L1, L3, and L4 are loaded between the microphone signal line 141 and the microphone signal line 142, and the cutoff circuit L2 is loaded between the shield pattern 170 and the GND of the circuit board 130.
  • the cut-off circuit 180 (cut-off circuits L1 to L4) is configured by an inductance L that has a low impedance in the voice band and a high impedance in the communication band.
  • FIG. 8 is an enlarged view of a main part of the housing lower end portion 110a for explaining the operation of the portable wireless device 100.
  • FIG. 8 is an enlarged view of a main part of the housing lower end portion 110a for explaining the operation of the portable wireless device 100.
  • the microphone signal line 140 (microphone signal lines 141 and 142) is arranged perpendicular to the antenna element 160 (more specifically, the conductor portion 161).
  • the conductor 161 of the antenna element 160 is disposed on the microphone substrate 145 on the bottom side of the housing lower end 110a with respect to the blocking circuit 180.
  • the microphone signal line 140 and the antenna element 160 are orthogonally (particularly in a vertical arrangement), the microphone current flowing through the microphone signal line 140 and the antenna current flowing through the conductor 161 of the antenna element 160 are orthogonal. By making the microphone current and the antenna current orthogonal, the influence on the antenna performance can be reduced.
  • the microphone 150, the microphone signal line 141, and the ground pattern are floated at a high frequency by the cutoff circuit 180, the influence on the antenna performance due to the proximity of the conductor can be reduced.
  • a sound hole (not shown) of the microphone 150 is arranged in the center of the housing lower end portion 110 a of the housing 110.
  • the power feeding portion 162 of the antenna element 160 is disposed on the substrate end portion 130a of the housing lower end portion 110a.
  • the antenna element 160 is configured to bypass the sound hole (not shown).
  • the positional relationship between the bypassed antenna element 160 and the housing 110 is as follows. When viewed from the bottom surface of the housing lower end portion 110a in a plan view of the housing, the microphone 150, the microphone signal line 141, the antenna element 160, the cutoff circuit 180 through the microphone signal line 142 are arranged.
  • the shield pattern 170 is formed in a size that covers at least the microphone 150 to the cutoff circuit 180.
  • the mounting area between the microphone 150 and the antenna element 160 can be reduced, and high antenna performance and acoustic performance can be obtained.
  • FIG. 9 is an equivalent circuit diagram of the microphone 150.
  • the cutoff circuit 180 (the cutoff circuits L1, L3, and L4) is loaded between the microphone signal line 141 on the microphone board 145 and the microphone signal line 142 on the circuit board 130, and the microphone signal line. 141 is separated from the circuit board 130 in a high frequency manner.
  • the cut-off circuit 180 (cut-off circuits L1 to L4) is composed of an inductance L, and has a low impedance in the voice band and a high impedance in the communication band.
  • the blocking circuits L1, L3, and L4 are loaded between the microphone signal line 141 on the microphone board 145 and the microphone signal line 142 on the circuit board 130, and the blocking circuit L2 includes the shield pattern 170 and the GND of the circuit board 130. Will be loaded during. With this configuration, as shown in FIG. 9, the microphone signal line 141 and the shield pattern 170 on the microphone substrate 145 are capacitively coupled.
  • the cut-off circuit 180 can float the conductor 161 at high frequency from the microphone 150, the microphone signal line 141, and the ground pattern by using high impedance in the communication band. Furthermore, the shielding effect of the proximity conductor with respect to the conductor part 161 of the antenna element 160 can be enhanced, and the influence on the antenna performance can be reduced. In addition, high-frequency signal input to the microphone 150 via the circuit board 130 can be suppressed, and burst noise generation can be suppressed.
  • the cutoff circuit 180 does not affect the signal transmission by having a low impedance in the voice band.
  • the shield pattern 170 is a copper foil layer formed on the back surface of the microphone substrate 145.
  • the shield pattern 170 covers the microphone signal line 141 and the microphone 150 on the microphone substrate 145 with a copper foil layer formed on the back surface of the microphone substrate 145.
  • the cutoff circuits L1, L3, and L4 are loaded on the microphone signal line 140 (that is, between the microphone signal line 141 and the microphone signal line 142), and the cutoff circuit L2 is loaded between the shield pattern 170 and the GND of the circuit board 130. To do.
  • This configuration can improve both antenna performance and acoustic performance as follows.
  • the portable wireless device 100 includes the shield pattern 170 and the cutoff circuit 180 described above, thereby minimizing the electrical length of the microphone 150 and the microphone signal line 140 in the high frequency band (high frequency with respect to sound).
  • the influence on the antenna element 160 can be suppressed. By suppressing the influence on the antenna element 160, the antenna performance can be improved.
  • the cutoff circuit 180 can suppress high-frequency signal input to the microphone 150 via the circuit board 130, and can suppress occurrence of burst noise.
  • a shield pattern 170 covering the microphone 150 and the microphone signal line 140 is connected to GND with a low impedance in the voice band. For this reason, it becomes possible to transmit the electrical signal in the acoustic band without loss.
  • the antenna element 160 and the microphone 150 connected to the circuit board 130 are disposed in proximity to the lower end portion 110a of the housing.
  • the antenna element 160 includes a conductor portion 161 and a power feeding portion 162 connected to the circuit board 130, and the microphone signal line 140 is disposed orthogonal to the conductor portion 161.
  • the portable radio apparatus 100 includes a shield pattern 170 that covers the microphone 150 and the microphone signal line 140, blocking circuits L 1, L 3, and L 4 loaded on the microphone signal line 140, and the shield pattern 170 and GND of the circuit board 130. And an interruption circuit L2 loaded in between.
  • Cut-off circuits L1 to L4 are composed of inductance, and have a low impedance in the voice band and a high impedance in the communication band, and block high-frequency signal input to the microphone 150.
  • the shield pattern 170 covers the microphone signal line 140 and the microphone 150 with a minimum width so as to minimize the electrical length in the high frequency band. Since the shield pattern 170 covers the entire back surface of the microphone substrate 145 on which the microphone signal line 141 is wired with a copper foil layer and is connected to the GND of the circuit substrate 130 via the cutoff circuit L2, the microphone signal Capacitively coupled to line 140.
  • the shield pattern 170 and the cutoff circuit 180 by providing the shield pattern 170 and the cutoff circuit 180, the electrical length of the microphone 150 and the microphone signal line 140 in the high frequency band can be minimized, and the influence on the antenna element 160 (proximity of conductor and (Resonance generation) can be suppressed. By suppressing the influence on the antenna element 160, the antenna performance can be improved.
  • the cutoff circuit 180 can suppress high-frequency signal input to the microphone 150 via the circuit board 130, and can suppress occurrence of burst noise.
  • the shield pattern 170 is connected to the GND of the circuit board 130 with low impedance in the voice band, an effect of canceling noise in the acoustic band can be obtained.
  • the portable wireless device 100 can reduce the influence on the antenna performance due to the proximity of the conductor while arranging the microphone 150 and the antenna element 160 close to each other, and can achieve both the microphone acoustic performance and the antenna performance. it can.
  • the microphone signal line 140 is disposed perpendicular to the antenna element 160, and the conductor portion 161 of the antenna element 160 is disposed on the lower end portion 110a of the housing, thereby being close to the conductor. The influence on the antenna performance can be reduced.
  • the sound hole of the microphone 150 is disposed at the center of the housing lower end portion 110a, and the power feeding portion 162 of the antenna element 160 is disposed on the substrate end portion 130a extending to the housing lower end portion 110a. ing.
  • the antenna element 160 is arranged so as to bypass the sound hole. Thereby, high antenna performance and microphone performance can be obtained while reducing the mounting area of the microphone 150 and the antenna element 160 with respect to the housing 110.
  • Any portable wireless device having an antenna element connected to a circuit board and a microphone arranged in the vicinity of the antenna element can be applied.
  • it can be applied not only to portable wireless devices with a bar structure, but also to portable information terminals such as mobile phones / PHS (Personal Handy-Phone System) and PDA (Personal Digital Assistants), and information processing devices such as notebook computers. It is.
  • the name “mobile radio apparatus” is used. However, this is for convenience of explanation, and it is needless to say that a mobile radio apparatus, a radio apparatus, or the like may be used.
  • the type, number, connection method, and the like of the casing, antenna elements, microphone signal lines, and the like constituting the portable wireless device are not limited to the above-described embodiments.
  • the portable radio apparatus can provide a portable radio apparatus having both the microphone acoustic performance and the antenna performance by reducing the influence on the antenna performance due to the proximity of the conductor while arranging the microphone and the antenna element close to each other. This is useful for portable wireless devices such as mobile phones having a bar structure.

Landscapes

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

Abstract

La présente invention concerne un dispositif portatif sans fil (100) pourvu : d'un motif de blindage (170) recouvrant un microphone (150) et un circuit d'acheminement des signaux de microphone (140) ; de circuits de coupure (L1, L3, L4) chargés sur le circuit d'acheminement des signaux de microphone (140) ; et d'un circuit de coupure (L2) chargé entre le motif de blindage (170) et la masse d'une carte de circuit imprimé (130). Les circuits de coupure (L1-L4) présentent une faible impédance dans une bande vocale et une impédance élevée dans une bande de communication, et coupent une entrée de signal de fréquence élevée vers le microphone (150). Le motif de blindage (170) recouvre le circuit d'acheminement des signaux de microphone (140) et le microphone (150) à la largeur minimale de manière à réduire au minimum la longueur électrique dans la bande de haute fréquence.
PCT/JP2012/003088 2011-05-13 2012-05-11 Dispositif portatif sans fil WO2012157233A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011108200A JP2012239118A (ja) 2011-05-13 2011-05-13 携帯無線装置
JP2011-108200 2011-05-13

Publications (1)

Publication Number Publication Date
WO2012157233A1 true WO2012157233A1 (fr) 2012-11-22

Family

ID=47176585

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/003088 WO2012157233A1 (fr) 2011-05-13 2012-05-11 Dispositif portatif sans fil

Country Status (2)

Country Link
JP (1) JP2012239118A (fr)
WO (1) WO2012157233A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013101874A (ja) * 2011-11-09 2013-05-23 Panasonic Corp 携帯端末

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230034696A (ko) * 2021-09-03 2023-03-10 삼성전자주식회사 안테나 및 마이크를 포함하는 전자 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000165982A (ja) * 1998-11-26 2000-06-16 Nec Shizuoka Ltd 携帯電話機用小型マイク
JP2002246822A (ja) * 2001-02-16 2002-08-30 Mitsubishi Electric Corp 携帯端末用アンテナ装置
JP2006067523A (ja) * 2004-08-30 2006-03-09 Kyocera Corp 無線通信端末
JP2008072373A (ja) * 2006-09-13 2008-03-27 Toa Corp ワイヤレスマイクロホン装置
JP2011097306A (ja) * 2009-10-28 2011-05-12 Kyocera Corp 携帯端末

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000165982A (ja) * 1998-11-26 2000-06-16 Nec Shizuoka Ltd 携帯電話機用小型マイク
JP2002246822A (ja) * 2001-02-16 2002-08-30 Mitsubishi Electric Corp 携帯端末用アンテナ装置
JP2006067523A (ja) * 2004-08-30 2006-03-09 Kyocera Corp 無線通信端末
JP2008072373A (ja) * 2006-09-13 2008-03-27 Toa Corp ワイヤレスマイクロホン装置
JP2011097306A (ja) * 2009-10-28 2011-05-12 Kyocera Corp 携帯端末

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013101874A (ja) * 2011-11-09 2013-05-23 Panasonic Corp 携帯端末

Also Published As

Publication number Publication date
JP2012239118A (ja) 2012-12-06

Similar Documents

Publication Publication Date Title
US8606195B2 (en) Radio
WO2012160820A1 (fr) Dispositif sans fil portable
JP2004104419A (ja) 携帯無線機用アンテナ
JP5413921B2 (ja) 携帯無線装置
JPWO2009034648A1 (ja) 無線通信装置
JP5297857B2 (ja) 携帯端末
JP5583030B2 (ja) 無線端末装置
WO2012157233A1 (fr) Dispositif portatif sans fil
JP5086236B2 (ja) 携帯無線機
JP2008166991A (ja) 無線装置
JP2008227560A (ja) 携帯無線機
JP4642568B2 (ja) 折畳み式携帯電子機器
JP5674415B2 (ja) 携帯通信端末
JP2009188714A (ja) 携帯電話装置
JP2012227743A (ja) 携帯無線機
JPWO2011115094A1 (ja) ノイズ抑制構造
JP4615451B2 (ja) 携帯無線機
KR100700575B1 (ko) 이동통신 단말기의 적층형 회로기판
JP2004282534A (ja) アンテナ装置及び無線通信端末装置
JP5556257B2 (ja) 無線通信装置
JP2012253588A (ja) 携帯端末、及びアンテナ利得改善方法
KR200426917Y1 (ko) 무선통신단말기
JP2013232814A (ja) 携帯無線機
JP5294652B2 (ja) 通信機器
KR101826584B1 (ko) 핸드 이펙트 억제용 자성 시트를 부착한 안테나 및 이를 포함하는 무선 통신 장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12785374

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12785374

Country of ref document: EP

Kind code of ref document: A1