WO2013099113A1 - Appareil d'antenne et appareil sans fil portable - Google Patents

Appareil d'antenne et appareil sans fil portable Download PDF

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Publication number
WO2013099113A1
WO2013099113A1 PCT/JP2012/007740 JP2012007740W WO2013099113A1 WO 2013099113 A1 WO2013099113 A1 WO 2013099113A1 JP 2012007740 W JP2012007740 W JP 2012007740W WO 2013099113 A1 WO2013099113 A1 WO 2013099113A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
antenna
signal line
radiating element
key
Prior art date
Application number
PCT/JP2012/007740
Other languages
English (en)
Japanese (ja)
Inventor
研志 堀端
小柳　芳雄
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
Priority to JP2013551206A priority Critical patent/JP5807176B2/ja
Publication of WO2013099113A1 publication Critical patent/WO2013099113A1/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
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • 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
    • 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
    • H01Q1/36—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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Definitions

  • the present invention relates to an antenna device and a portable wireless device using the antenna device.
  • FIG. 9 is a diagram showing an example in which this type of technology is specifically shown.
  • three high-frequency cut components 102 are inserted in a signal line 101 for transmitting a control signal for controlling the functional component 100, and the functional component 100 and the signal line 101 are cut at a high frequency. Further, the functional component 100 and the signal line 101 are arranged in a space between the antenna 103 and the ground pattern (not shown) of the circuit board 104.
  • reference numeral 105 denotes a control unit that controls the functional component 100.
  • Reference numeral 106 denotes a power feeding unit.
  • the configuration method of the antenna is limited. There is also a problem.
  • the present invention has been made in view of such circumstances, and can reduce the number of high-frequency cut components that are inserted into a signal line that connects a functional component and a control unit that controls the functional component, and the functional component and the signal line are arranged. It is an object of the present invention to provide an antenna device and a portable wireless device that can arrange an antenna in the vicinity of a place to be provided.
  • An antenna device includes a circuit board having a multilayer structure having at least two layers, an antenna having a ground pattern of the circuit board as a ground, a functional component disposed in the vicinity of the antenna, and the circuit board.
  • a control unit that controls the functional component, a signal line that connects the functional component and the control unit, and is disposed in the vicinity of the antenna, and at least one end is electrically connected to a ground pattern of the circuit board,
  • a radiation element configured by a pattern provided on the circuit board, wherein at least a part of the signal line and the radiation element overlap in a thickness direction of the circuit board.
  • the signal line and the radiating element are arranged so as to overlap each other in the thickness direction of the same circuit board, the signal line and the radiating element are coupled at high frequency, so that the functional component and the signal line are arranged. Even if an antenna is arranged in the vicinity of the place, deterioration of the antenna performance can be prevented. Moreover, since it is possible to reduce the high-frequency cut parts inserted into the signal lines connecting the functional parts and the control unit that controls the functional parts, it is possible to suppress the cost increase and the increase in the size of the apparatus main body.
  • An antenna device includes a circuit board having a multilayer structure having at least two layers, an antenna having a ground pattern of the circuit board as a ground, a functional component disposed in the vicinity of the antenna, and the circuit board.
  • a control unit that controls the functional component, a signal line that connects the functional component and the control unit, a radiating element that is disposed in the vicinity of the antenna and is configured by a pattern provided on the circuit board,
  • a high-frequency cut component that relays the signal line and is disposed between the ground pattern of the circuit board and the radiating element, and at least a part of the signal line and the radiating element is a thickness of the circuit board. It is characterized by overlapping in the direction.
  • the signal line and the radiating element are arranged so as to overlap in the thickness direction of the same circuit board, and further, the high-frequency cut component that relays the signal line is arranged between the ground pattern of the circuit board and the radiating element. Therefore, the connection of the radiating element to the ground pattern of the circuit board can be omitted. That is, the radiating element can be lifted from the ground pattern of the circuit board.
  • the resonance frequency is different from that of the above-described invention, since the signal line and the radiating element are coupled at a high frequency, the antenna performance is deteriorated even if the antenna is disposed near the place where the functional component and the signal line are disposed. Can be prevented.
  • it is possible to reduce the high-frequency cut parts inserted into the signal lines connecting the functional parts and the control unit that controls the functional parts it is possible to suppress the cost increase and the increase in the size of the apparatus main body.
  • the radiating element can be connected to the ground pattern of the circuit board via the metal plate even if the antenna and the circuit board are separated from each other, the same effect as the above-described invention can be obtained.
  • a frequency adjustment component that relays and connects the ground pattern of the radiating element and the circuit board is provided.
  • the resonance frequency of the radiating element can be arbitrarily adjusted by the frequency adjusting component.
  • the radiating element is configured by at least two patterns of the circuit board, and the pattern of the circuit board on which the signal line is arranged is sandwiched between the patterns of the radiating element.
  • the influence of the signal line on the antenna can be further reduced as compared with the case where the radiating element is configured by one pattern of the circuit board.
  • the signal line is relayed, and a high-frequency cut part disposed near the open end of the radiating element is provided.
  • the functional component can be arranged ahead of the open end of the radiating element.
  • the portable wireless device of the present invention includes the antenna device.
  • the cost can be reduced and the device body can be downsized.
  • the present invention can reduce the number of high-frequency cut components that are inserted into a signal line that connects a functional component and a control unit that controls the functional component, and arranges an antenna in the vicinity of a location where the functional component and the signal line are disposed. Can do.
  • 1 is a cross-sectional view taken along the line AA in FIG. 1 when the circuit board has a multilayer structure having two layers.
  • 1 is a cross-sectional view taken along line AA in FIG. 1 when the circuit board has a multilayer structure having three layers.
  • (A), (b) The figure which shows the result of having verified this invention.
  • an antenna device 1 includes a circuit board 2, an antenna 3, a radiating element 4, three keypads (functional parts) 5-1 to 5-3, and a key control unit. 6, a keypad signal line (signal line) 7, three key LEDs (functional parts) 8-1 to 8-3, a key LED control unit 9, a key LED signal line (signal line) 10, Power supply unit 11.
  • the circuit board 2 is a multilayer circuit board having at least two layers.
  • the antenna 3 has a ground pattern (not shown) of the circuit board 2 as a ground, and extends in a direction parallel to the base end 3a extending in the direction parallel to the long side 2a of the circuit board 2 and the short side 2b of the circuit board 2. It is formed in an L shape composed of the portion 3b.
  • a base end portion 3 a of the antenna 3 is connected to a power feeding portion 11 on the circuit board 2.
  • the tip of the antenna portion 3b of the antenna 3 is an open end.
  • the radiating element 4 is formed in a substantially L-shaped band shape, and one end thereof is electrically connected to the ground pattern of the circuit board 2 and is configured by a pattern provided on the circuit board 2.
  • the radiating element 4 is arranged as a ground line with respect to the antenna 3 between the short side 2 b of the circuit board 2 and the antenna 3.
  • the keypads 5-1 to 5-3 are arranged above the surface of the radiating element 4 (the surface on the side visible in FIG. 1 is the surface).
  • the key control unit 6 controls each of the keypads 5-1 to 5-3.
  • the keypad signal line 7 is composed of a plurality of extremely thin core wires, and connects the keypads 5-1 to 5-3 and the key control unit 6.
  • the key LEDs 8-1 to 8-3 are provided in the keypads 5-1 to 5-3. That is, the key LED 8-1 is provided in the keypad 5-1, the key LED 8-2 is provided in the keypad 5-2, and the key LED 8-3 is provided in the keypad 5-3.
  • the key LED control unit 9 controls each of the key LEDs 8-1 to 8-3.
  • the key LED signal line 10 is composed of a plurality of extremely thin core wires like the keypad signal line 7 and connects the key LEDs 8-1 to 8-3 and the key LED control unit 9.
  • the keypad signal line 7 and the key LED signal line 10 are disposed so as to overlap the radiating element 4 between the pattern layers on the same substrate.
  • FIG. 2 is a cross-sectional view taken along line AA in FIG. 1 when the circuit board 2 has a multilayer structure having two layers.
  • the radiating element 4 is disposed in the lower layer and the key layer is disposed in the upper layer.
  • a pad signal line 7 and a key LED signal line 10 are arranged.
  • 3 is a cross-sectional view taken along the line AA in FIG. 1 when the circuit board 2 has a multilayer structure having three layers.
  • the first and third layers are radiating elements. 4 are arranged, and the keypad signal line 7 and the key LED signal line 10 are arranged in the second layer.
  • This three-layer structure has an advantage that the influence of the keypad signal line 7 and the key LED signal line 10 on the antenna 3 can be reduced as compared with the case of the two-layer structure.
  • the keypad signal line 7 and the key LED signal line 10 and the radiating element 4 are arranged so as to overlap each other between the pattern layers on the same substrate, so that the keypad signal line 7 and the key LED signal line 10 and the radiating element 4 are arranged. Can be coupled at a high frequency. As a result, it is possible to reduce the high-frequency cut parts inserted in the keypad signal line 7 and the key LED signal line 10 without deteriorating the antenna performance. Further, since the radiating element 4 as the ground line is disposed in the area where the keypad signal line 7 and the key LED signal line 10 are wired, a new area for providing the radiating element 4 is not required.
  • functional components near the antenna include a vibrator, a microphone, a touch sensor, a touch sensor control unit, and the like.
  • FIG. 5A a ground wire constant (coil L or capacitor C) 20 is provided between the radiating element 4 and the ground pattern of the circuit board 2.
  • a high frequency cut component 21 is provided at the base of the keypad signal line 7 and the key LED signal line 10.
  • the impedances 22 of the functional components of the keypads 5-1 to 5-3 and the key LEDs 8-1 to 8-3 are connected.
  • the vertical axis represents VSWR and the horizontal axis represents frequency (GHz). As can be seen from the graph (b) of FIG.
  • the influence of the signal line and the functional component is obtained by capacitively coupling the radiating element 4 as the ground line and the keypad signal line 7 and the key LED signal line 10 which are signal lines.
  • Two resonance bands of 1.5 GHz band and 1.7 GHz to 2 GHz band can be obtained without being subjected to the above.
  • the antenna performance is improved while the number of high-frequency cut parts is reduced as compared with the prior art.
  • the circuit board 2 having a multilayer structure having at least two layers, the antenna 3 having the ground pattern of the circuit board 2 as the ground, and the vicinity of the antenna 3 are arranged.
  • Key LED control unit 9 Key LED control unit 9, keypad signal line 7 for connecting keypads 5-1 to 5-3 and key control unit 6, key LED 8-1 to 8-3 and key LED control unit 9 are connected
  • a key LED signal line 10 and a radiation element 4 which is disposed in the vicinity of the antenna 3, has one end electrically connected to the ground pattern of the circuit board 2, and is configured by a pattern provided on the circuit board 2.
  • the key LED signal line 10 and the radiating element 4 are arranged so as to overlap in the thickness direction of the circuit board 2, the keypad signal line 7, the key LED signal line 10 and the radiating element 4 are coupled at high frequency. Even if the antenna is arranged near the place where the functional parts and the signal lines are arranged, the deterioration of the antenna performance can be prevented. Moreover, since it is possible to reduce the high-frequency cut parts inserted into the signal lines connecting the functional parts and the control unit that controls the functional parts, it is possible to suppress the cost increase and the increase in the size of the apparatus main body.
  • FIG. 5 is a diagram showing a schematic configuration of an antenna apparatus according to Embodiment 2 of the present invention.
  • the same reference numerals are given to the portions common to FIG. 1 described above.
  • the antenna device 30 according to the second embodiment is used for a portable wireless device having a straight structure called a smartphone, like the antenna device 1 according to the first embodiment, and FIG. 5 shows the lower end portion thereof. .
  • the antenna device 30 connects the radiating element 4 and the ground pattern of the circuit board 2 via a grounding constant (coil L or capacitor C) 31 for adjusting the element length. It is a thing.
  • the length of the radiating element 4 can be designed freely by using the ground constant 31 for adjusting the element length.
  • the connecting portion between the radiating element 4 and the ground pattern of the circuit board 2 is only the ground line constant 31 for adjusting the element length, a high frequency cut is applied to each of the keypad signal line 7 and the key LED signal line 10 in the portion. It is necessary to insert the component 32.
  • the high frequency cut component is provided similarly conventionally, it does not increase the high frequency cut component 32 compared with the past.
  • the functional component may be detached from the radiating element 4.
  • the antenna 3 is affected by the signal line, and the antenna performance is deteriorated.
  • the keypad 5-1 and the key LED 8-1 are separated from the radiating element 4, the keypad signal line 7 between the open end of the radiating element 4 and the keypad 5-1 and the key LED 8-1.
  • the key LED signal line 10 affects the antenna 3.
  • the antenna device 30 according to the present embodiment the keypad signal line 7 and the key LED signal line 10 between the open end of the radiating element 4 and the keypad 5-1 and the key LED 8-1.
  • a high frequency cut component 32 is inserted in each. By doing in this way, the influence with respect to the antenna 3 of a signal wire
  • the radiating element 4 is connected to the ground pattern of the circuit board 2 through the ground constant 31 for adjusting the element length.
  • the length can be designed freely.
  • FIG. 6 is a diagram showing a schematic configuration of an antenna apparatus according to Embodiment 3 of the present invention.
  • the same reference numerals are given to the portions common to FIG. 1 described above.
  • the antenna device 40 according to the third embodiment is used for a portable wireless device having a straight structure called a smartphone, and FIG. 6 shows a lower end portion thereof. .
  • the antenna device 40 according to the present embodiment is provided with the radiating element 4 on the power feeding unit 11 side, which is different from the antenna device 1 according to the first embodiment and the antenna device 30 according to the second embodiment described above. ing. As shown in FIGS. 1 and 5, in the antenna device 1 according to the first embodiment and the antenna device 30 according to the second embodiment, the radiating element is provided on the side facing the power feeding unit 11. Since the radiating element 4 only needs to be connected to the ground in the vicinity of the antenna 3 (the ground pattern of the circuit board 2), even if it is provided on the power feeding unit 11 side, the effect is not changed.
  • a vibrator 41 is used as a functional component, and the vibrator 41 is controlled by a vibrator control unit 42 provided on the circuit board 2.
  • the vibrator 41 and the vibrator control unit 42 are connected by a vibrator signal line 43.
  • FIG. 7 is a diagram showing a schematic configuration of an antenna apparatus according to Embodiment 4 of the present invention.
  • the same reference numerals are given to the portions common to FIG. 1 described above.
  • the antenna device 50 according to the fourth embodiment is used for a portable wireless device having a straight structure called a smartphone, like the antenna device 1 according to the first embodiment, and FIG. 7 shows a lower end portion thereof. .
  • the antenna device 50 according to the present embodiment has a structure in which the circuit board 2 and the antenna 3 are separated from each other. Further, the antenna device 50 according to the present embodiment includes a strength reinforcing metal plate 51.
  • the strength reinforcing metal plate 51 is disposed on the back surface side of the circuit board 2 (the surface on the side visible in FIG. 7 is the front surface). The strength reinforcing metal plate 51 is connected to the ground pattern of the circuit board 2.
  • the antenna device 50 since the antenna device 50 according to the present embodiment is arranged so that the circuit board 2 and the antenna 3 are separated from each other, an L-shape for supporting the keypad signal line 7, the key LED signal line 10, and the power feeding unit 11.
  • the flexible substrate 52 is provided. One end of the flexible board 52 is connected to the circuit board 2, and the power feeding unit 11 is disposed at the tip of the flexible board 52.
  • the power feeding unit 11 and the circuit board 2 are connected by a coaxial cable 53.
  • FIG. 8 is a diagram showing a schematic configuration of an antenna apparatus according to Embodiment 5 of the present invention.
  • the same reference numerals are given to the portions common to FIG. 1 described above.
  • the antenna device 60 according to the fifth embodiment is used for a portable wireless device having a straight structure called a smartphone, like the antenna device 1 according to the first embodiment, and FIG. 8 shows the lower end portion thereof. .
  • the antenna device 60 according to the present embodiment is a state in which the radiating element 4 is not connected to the ground pattern of the circuit board 2 but is floated. That is, the radiation element 4 is a parasitic element.
  • the high frequency cut component 32 is inserted in each of the keypad signal line 7 and the key LED signal line 10.
  • the resonance frequency is different from that of the antenna device 1 according to the first embodiment, but the same effect can be obtained.
  • the antenna devices 1, 30, 40, 50, and 60 according to the first to fifth embodiments are each applied to a portable wireless device having a straight structure called a smartphone.
  • the antenna device of the present invention is a straight device.
  • the present invention can be applied to a portable wireless device having a sliding structure, a folding structure, and a swivel structure used as a mobile phone in addition to the portable wireless device having the structure.
  • the present invention can reduce the number of high-frequency cut parts to be inserted into a signal line, and has an effect that an antenna element can be arranged in the vicinity of a place where functional parts and signal lines are arranged. Further, the present invention can be applied to a portable wireless device having a folding structure, a swivel structure, and a straight structure portable wireless device represented by a smartphone.
  • Antenna device 1 Circuit board 3 Antenna 4 Radiating element 5-1, 5-2, 5-3 Keypad 6 Key control unit 7 Keypad signal line 8-1, 8-2, 8 -3 Key LED DESCRIPTION OF SYMBOLS 9 Key LED control part 10 Key LED signal line 11 Feed part 31 Ground wire constant 32 High frequency cut component 41 Vibrator 42 Vibrator control part 43 Vibrator signal line 51 Strengthening metal plate 52 Flexible substrate 53 Coaxial cable 54 Ground contact part

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  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne un appareil d'antenne qui a : une carte de circuit (2) ayant une structure multicouche ; une antenne (3) ayant, en tant que masse, un motif de masse de la carte de circuit (2) ; un clavier (5) et une LED de touche (8) qui sont disposés au voisinage de l'antenne (3) ; une unité de commande de touche (6) qui commande le clavier (5) ; l'unité de commande de LED de touche (9), qui commande la LED de touche (8) ; une ligne de signal de clavier (7) et une ligne de signal de LED de touche (10) ; et un élément rayonnant (4) qui est disposé au voisinage de l'antenne (3) avec l'une de ses extrémités connectée électriquement au motif de masse de la carte de circuit (2), et qui est configuré selon un motif qui est présent sur la carte de circuit (2). La ligne de signal de clavier (7), la ligne de signal de LED de touche (10) et l'élément rayonnant (4) sont disposés en étant empilés dans la direction de l'épaisseur de la carte de circuit (2).
PCT/JP2012/007740 2011-12-26 2012-12-03 Appareil d'antenne et appareil sans fil portable WO2013099113A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013551206A JP5807176B2 (ja) 2011-12-26 2012-12-03 アンテナ装置及び携帯無線機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011284136 2011-12-26
JP2011-284136 2011-12-26

Publications (1)

Publication Number Publication Date
WO2013099113A1 true WO2013099113A1 (fr) 2013-07-04

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ID=48696662

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/007740 WO2013099113A1 (fr) 2011-12-26 2012-12-03 Appareil d'antenne et appareil sans fil portable

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JP (1) JP5807176B2 (fr)
WO (1) WO2013099113A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002344225A (ja) * 2001-05-15 2002-11-29 Tamura Electric Works Ltd 非接触型ｉｃカードリーダライタ装置
WO2005013411A1 (fr) * 2003-07-30 2005-02-10 Mitsubishi Denki Kabushiki Kaisha Filtre coupe-bande
JP2006108942A (ja) * 2004-10-01 2006-04-20 Sony Corp イヤホンアンテナ及び携帯型無線機
JP2008300897A (ja) * 2007-05-29 2008-12-11 Ngk Spark Plug Co Ltd アンテナ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002344225A (ja) * 2001-05-15 2002-11-29 Tamura Electric Works Ltd 非接触型ｉｃカードリーダライタ装置
WO2005013411A1 (fr) * 2003-07-30 2005-02-10 Mitsubishi Denki Kabushiki Kaisha Filtre coupe-bande
JP2006108942A (ja) * 2004-10-01 2006-04-20 Sony Corp イヤホンアンテナ及び携帯型無線機
JP2008300897A (ja) * 2007-05-29 2008-12-11 Ngk Spark Plug Co Ltd アンテナ装置

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JPWO2013099113A1 (ja) 2015-04-30
JP5807176B2 (ja) 2015-11-10

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