WO2013027788A1 - Dispositif antenne - Google Patents

Dispositif antenne Download PDF

Info

Publication number
WO2013027788A1
WO2013027788A1 PCT/JP2012/071258 JP2012071258W WO2013027788A1 WO 2013027788 A1 WO2013027788 A1 WO 2013027788A1 JP 2012071258 W JP2012071258 W JP 2012071258W WO 2013027788 A1 WO2013027788 A1 WO 2013027788A1
Authority
WO
WIPO (PCT)
Prior art keywords
region
coil
slit
bent
antenna device
Prior art date
Application number
PCT/JP2012/071258
Other languages
English (en)
Japanese (ja)
Inventor
久保浩行
Original Assignee
株式会社村田製作所
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 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP2013530050A priority Critical patent/JP5464303B2/ja
Priority to CN201280008445.3A priority patent/CN103348533B/zh
Publication of WO2013027788A1 publication Critical patent/WO2013027788A1/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
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • 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
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

Definitions

  • the present invention relates to an antenna device used in an RFID (Radio Frequency Identification) system or a short-range wireless communication (NFC: Near Field Communication) system that communicates with a counterpart device via an electromagnetic field signal.
  • RFID Radio Frequency Identification
  • NFC Near Field Communication
  • Patent Document 1 discloses an antenna mounted on a portable electronic device.
  • FIG. 8 is a view showing one configuration of the antenna device disclosed in Patent Document 1, and FIG. 8A shows a state in which two magnetic cores 31 and 32 are attached to the flexible base material 10.
  • FIG. 8B is a perspective view of the state where the magnetic cores 31 and 32 are mounted.
  • FIG. 9 is a view showing an example of a coil conductor pattern formed on the flexible base material 10 and is a plan view in a state where the flexible base material is developed.
  • the coil conductors 11 c and 12 c are formed on the flexible base material 10, the flexible base material 10 is bent at the two-dot chain line portion, and the magnetic cores 31 and 32 are inserted into the slits 21 and 22, respectively.
  • the two coil conductors 11c and 12c are connected in such a direction that currents generated by the magnetic flux penetrating the two coil conductors 11c and 12c in the inner and outer directions are in phase with the two magnetic cores.
  • each one end is formed as coil conductor connection part 11t, 12t.
  • an antenna including a flexible base material on which a conductor pattern is formed and a magnetic core, and the conductor pattern includes two coil portions having a winding center portion as a conductor opening.
  • the size of the flexible base material is increased and the area other than the coil portion is expanded, so that the material use efficiency is poor. That is, it is manufactured by forming a large number of conductor patterns for forming an antenna device on a flexible base material to form an aggregate substrate with the flexible base material, and then dividing the aggregate substrate into individual substrates for the antenna device However, the region other than the coil portion is present only to maintain (make) a distance.
  • the above-mentioned problem becomes particularly noticeable when an antenna device having a wide width direction in which a region other than the coil portion is widened.
  • This invention is made in order to solve the above-mentioned subject, and it aims at providing the antenna apparatus which can improve the utilization efficiency of a flexible base material.
  • the antenna device of the present invention is configured as follows.
  • a flexible base material on which a conductor pattern is formed and a magnetic core and the conductor pattern includes two loop-shaped or spiral-shaped first coil portions having a winding center portion as a conductor opening portion and a second coil portion.
  • a coil portion and a wiring portion provided between the first coil portion and the second coil portion, the flexible base material including a first slit and a second slit formed in the conductor opening, and the magnetic core Are inserted into the slits and are bent at one or more locations on the wiring portion so that the relative position of at least one of the first coil portion and the second coil portion changes from the state before the bending. It is characterized by having a bent portion.
  • first slit and the second slit are bent so as to be parallel or substantially parallel.
  • the first slit and the second slit are oriented so that the magnetic core is inserted from the same direction before the flexible substrate is bent.
  • the flexible substrate is in a state before being bent, the first coil portion forming region and the second coil portion forming region are adjacent to the wiring portion forming region, and the first coil portion forming region is the first coil portion forming region.
  • the flexible base material is arranged in a straight line in this order in the first coil portion forming region, the wiring portion forming region, and the second coil portion forming region before the bending.
  • the flexible base material has a rectangular outer shape before being bent.
  • the utilization efficiency of the flexible base material is increased, and it is not necessary to remove unnecessary portions of the flexible base material.
  • the number of the picked up increases. Therefore, cost reduction can be achieved.
  • FIG. 1 is a diagram showing the structure and manufacturing procedure of the antenna device 101 according to the first embodiment.
  • FIG. 2 is a diagram illustrating a magnetic flux path in a state where the antenna device 101 is magnetically coupled to a communication partner (such as a reader / writer antenna).
  • 3A and 3B are diagrams showing the structure and manufacturing procedure of the antenna device 102 according to the second embodiment.
  • FIG. 3A is a plan view of the flexible substrate 10 on which a conductor pattern is formed
  • FIG. 3C is a plan view showing a state in which the magnetic cores 31 and 32 are inserted into the slits 21 and 22 of the base material 10
  • FIG. 3C is a plan view showing a state in which the cut S is formed in the flexible base material 10.
  • FIG. 4A and 4B are diagrams showing the structure and manufacturing procedure of the antenna device 103 according to the third embodiment.
  • FIG. 4A is a plan view of the flexible substrate 10 on which a conductor pattern is formed
  • FIG. 4C is a plan view of the antenna device 103 in which the magnetic cores 31 and 32 are inserted into the slits 21 and 22 of the substrate 10.
  • 5A and 5B are plan views of the antenna devices 104A and 104B according to the fifth embodiment.
  • FIG. 6 is a plan view of the antenna device 105 of the fifth embodiment.
  • FIG. 7 is a schematic diagram showing a mounting structure of the antenna device 105 with respect to the communication terminal device.
  • FIG. 8 is a diagram showing the configuration of one of the antenna devices disclosed in Patent Document 1.
  • FIG. 8A shows two magnetic cores 22-1 and 22-2 with respect to the flexible base material 23.
  • FIG. 8B is a perspective view of a state where the magnetic cores 22-1 and 22-2 are mounted.
  • FIG. 9 is a view showing an example of a coil conductor pattern formed on the flexible base material 23, and is a plan view in a state where the flexible base material is developed.
  • FIG. 1 is a diagram showing the structure and manufacturing procedure of the antenna device 101 according to the first embodiment.
  • FIG. 1D is a plan view of the antenna device 101.
  • FIG. 1A is a plan view of the flexible substrate 10 on which a conductor pattern is formed.
  • the flexible substrate 10 is provided with a conductor pattern.
  • This conductor pattern electrically connects two spiral first coil portion 11c and second coil portion 12c, and the first coil portion and the second coil portion, with the winding center portion being the conductor openings CW1 and CW2.
  • the end portion of the first coil portion 11c is electrically connected to the connection portion 11t, and the end portion of the second coil portion 12c is electrically connected to the connection portion 12t.
  • a first slit 21 and a second slit 22 are formed in the conductor openings CW1 and CW2 of the flexible substrate 10.
  • FIG. 1B is a plan view showing a state in which the magnetic cores 31 and 32 are inserted into the slits 21 and 22 of the flexible base material 10.
  • FIG. 1C is a plan view showing a state in which the cut S is formed in the flexible base material 10.
  • the flexible base material 10 is formed with a T-shaped cut S so as to be divided into a first region A1, a second region A2, and a third region A3.
  • This incision is formed by, for example, cutting with a Thomson type or a pinnacle die or laser processing.
  • the notch S divides the flexible base material 10 into a first region A1, a second region A2, and a third region A3, and bends between the first region A1 and the third region A3, and the second region A2 and the third region A3. It is provided to bend between the area A3.
  • the first region A1 is a formation region of the first coil portion 11c
  • the second region A2 is a formation region of the second coil portion 12c
  • the third region A3 is a formation region of the wiring portion 112i.
  • the flexible substrate 10 is in a state before being bent, and the first region A1 and the second region A2 are adjacent to the third region A3, and the first region A1 is adjacent to the second region A2.
  • the flexible base material 10 is formed with cuts at the boundary between the first region A1 and the third region A3 and the boundary between the second region A2 and the third region A3, and further, the first region A1 and the second region A3.
  • a cut is formed at the boundary with the region A2.
  • FIG. 1D is a plan view of the antenna device 101.
  • This antenna device 101 is configured by bending the flexible substrate 10 from the state shown in FIG. Specifically, the area between the third region (wiring portion forming region) A3 and the first region (first coil portion forming region) A1 of the flexible substrate 10 is bent, and the third region A3 and the second region are folded. (Formation region of second coil portion) A2 is bent.
  • a double-sided pressure-sensitive adhesive sheet is sandwiched between the bent portions or bonded with an adhesive. By this bending, the first slit 21 and the second slit 22 become parallel.
  • the flexible base material 10 has a simple rectangular shape, but can be made into an optimal shape by bending it. Therefore, the number of pieces taken from the collective substrate is most increased and efficient, and must be discarded. There is almost no waste.
  • the magnetic cores 31 and 32 can be inserted into the first slit 21 and the second slit 22 from the same direction before the flexible base material 10 is bent, the manufacturing is easy.
  • FIG. 2 is a diagram illustrating a magnetic flux path in a state where the antenna device 101 is magnetically coupled to a communication partner (such as an antenna of a reader / writer).
  • the magnetic flux passes between the inside and outside of the magnetic cores 31 and 32. Therefore, the magnetic flux is linked to the first coil portion 11c and the second coil portion 12c.
  • the two coil conductors 11c and 12c are connected in such a direction that currents generated in the coil conductors 11c and 12c are in phase with each other in the state of linkage of the magnetic flux.
  • FIG. 3 is a diagram illustrating the structure and manufacturing procedure of the antenna device 102 according to the second embodiment.
  • FIG. 3D is a plan view of the antenna device 102.
  • FIG. 3A is a plan view of the flexible substrate 10 on which a conductor pattern is formed.
  • the flexible substrate 10 is provided with a conductor pattern.
  • slits 21 and 22 are formed in the flexible base material 10.
  • the conductor pattern electrically connects the two spiral first coil portion 11c and second coil portion 12c having the winding center portion as the conductor opening portions CW1 and CW2 and the first coil portion and the second coil portion.
  • the wiring part 112i is provided.
  • the end portion of the first coil portion 11c is electrically connected to the connection portion 11t, and the end portion of the second coil portion 12c is electrically connected to the connection portion 12t.
  • the flexible substrate 10 includes a first slit 21 and a second slit 22 formed in the conductor openings CW1 and CW2.
  • the direction of the slits 21 and 22 is different from that of the flexible substrate 10 shown in FIG. 1A in the first embodiment.
  • FIG. 3B is a plan view showing a state in which the magnetic cores 31 and 32 are inserted into the slits 21 and 22 of the flexible base material 10.
  • FIG. 3C is a plan view showing a state where the cut S is formed in the flexible base material 10.
  • the flexible base material 10 is formed with a T-shaped cut S so as to be divided into a first region A1, a second region A2, and a third region A3.
  • the notch S is provided to divide the flexible base material 10 into the first region A1, the second region A2, and the third region A3, bend the first region A1, and bend the second region A2.
  • the first region A1 is a formation region of the first coil portion 11c
  • the second region A2 is a formation region of the second coil portion 12c
  • the third region A3 is a formation region of the wiring portion 112i.
  • the flexible substrate 10 is in a state before being bent, and the first region A1 and the second region A2 are adjacent to the third region A3, and the first region A1 is adjacent to the second region A2.
  • the flexible base material 10 is formed with cuts at the boundary between the first region A1 and the third region A3 and the boundary between the second region A2 and the third region A3, and further, the first region A1 and the second region A3.
  • a cut is formed at the boundary with the region A2.
  • FIG. 3D is a plan view of the antenna device 102.
  • the antenna device 102 is configured by bending the flexible substrate 10 from the state shown in FIG. Specifically, the vicinity of one side of the first region (first coil portion formation region) A1 of the flexible substrate 10 is bent, and the vicinity of one side of the second region (second coil portion formation region) A2 is bent.
  • a double-sided pressure-sensitive adhesive sheet is sandwiched between the bent portions or bonded with an adhesive. Even after the flexible substrate 10 is bent, the first slit 21 and the second slit 22 are parallel.
  • the path of the magnetic flux when the antenna device 102 is magnetically coupled to the communication partner is the same as the example shown in FIG.
  • the two coil conductors 11c and 12c are connected in such a direction that currents generated in the coil conductors 11c and 12c are in phase with each other when the magnetic flux is linked.
  • the flexible base material 10 has a simple rectangular shape, but can be made into an optimal shape by bending it. Therefore, the number of pieces taken from the collective substrate is most increased and efficient, and must be discarded. There is almost no waste.
  • FIG. 4 is a diagram showing the structure and manufacturing procedure of the antenna device 103 according to the third embodiment.
  • FIG. 4C is a plan view of the antenna device 103.
  • FIG. 4A is a plan view of the flexible substrate 10 on which a conductor pattern is formed.
  • the flexible substrate 10 is provided with a conductor pattern.
  • slits 21 and 22 are formed in the flexible base material 10.
  • the conductor pattern electrically connects the two spiral first coil portion 11c and second coil portion 12c having the winding center portion as the conductor opening portions CW1 and CW2 and the first coil portion and the second coil portion.
  • the wiring part 112i is provided.
  • the end portion of the first coil portion 11c is electrically connected to the connection portion 11t, and the end portion of the second coil portion 12c is electrically connected to the connection portion 12t.
  • the flexible substrate 10 includes a first slit 21 and a second slit 22 formed in the conductor openings CW1 and CW2.
  • FIG. 4B is a plan view showing a state in which the magnetic cores 31 and 32 are inserted into the slits 21 and 22 of the flexible base material 10.
  • FIG. 4C is a plan view of the antenna device 103.
  • the antenna device 103 is configured by bending the flexible substrate 10 from the state shown in FIG.
  • the flexible substrate 10 is in a state before being bent, and the first region (first coil portion forming region) A1, the third region (wiring portion forming region) A3, and the second region (second coil portion forming region) A2 are They are arranged in a straight line in order.
  • the flexible substrate 10 is bent at 90 ° between the first region A1 and the third region A3 (the angle of the folding line is 45 °), and 90 ° between the second region A2 and the third region A3 (bending).
  • the angle of the line is bent to 45 °).
  • a double-sided pressure-sensitive adhesive sheet is sandwiched between the bent portions or bonded with an adhesive. By this bending, the first slit 21 and the second slit 22 become parallel.
  • the path of the magnetic flux when the antenna device 103 is magnetically coupled to the communication partner is the same as the example shown in FIG.
  • the two coil conductors 11c and 12c are connected in such a direction that currents generated in the coil conductors 11c and 12c are in phase with each other when the magnetic flux is linked.
  • the flexible base material 10 has a simple rectangular shape, but can be made into an optimal shape by bending it. Therefore, the number of pieces taken from the collective substrate is increased most efficiently, and must be discarded. There is almost no waste.
  • the manufacturing is easy.
  • 5A and 5B are plan views of the antenna devices 104A and 104B according to the fifth embodiment.
  • the basic structure of the antenna device 104A is the same as that of the antenna device 103 shown in FIG. 4C in the third embodiment.
  • the magnetic core 31 inserted into the first slit 21 and the magnetic core 32 inserted into the second slit 22 are different in size.
  • the width of the magnetic core 32 is larger than the width of the magnetic core 31. Therefore, the second area A2 is longer than the first area A1.
  • the basic structure of the antenna device 104B is the same as that of the antenna device 103 shown in FIG. 4C in the third embodiment. However, the insertion direction of the magnetic core 31 with respect to the first slit 21 is reversed, and the bending direction of the first region A1 is opposite to the bending direction of the second region A2. Even in such a structure, the magnetic flux passes from the center of the third region A3 toward the magnetic core 31 and toward the magnetic core 32, respectively.
  • the coil conductors wound around the slits 21 and 22 are connected in such a direction that the currents generated in the two coil conductors are in phase with each other in the state of linkage of magnetic flux.
  • the bending angle of the first region A1 and the second region A2 may be bent more than 90 ° so that the axes of the two magnetic cores 31 and 32 overlap the same straight line.
  • FIG. 6 is a plan view of the antenna device 105 of the fifth embodiment.
  • the basic structure of the flexible substrate 10 of the antenna device 105 is the same as that shown in FIG. 4A in the third embodiment. Further, the first region A1 is not bent, and only the second region A2 is bent. Even with such a structure, the magnetic flux passes from the approximate center of the third region A3 toward the magnetic core 31 and toward the magnetic core 32, respectively.
  • the coil conductors wound around the slits 21 and 22 are connected in such a direction that the currents generated in the two coil conductors are in phase with each other in the state of linkage of magnetic flux. Note that the bending angle of the second region A2 may be bent more than 90 ° so that the angle formed by the axes of the two magnetic cores 31 and 32 becomes small.
  • FIG. 7 is a schematic diagram showing a mounting structure of the antenna device 105 with respect to the communication terminal device.
  • the antenna device 105 shown in the fifth embodiment can be arranged at a corner of the housing 40 of the communication terminal device 201. Accordingly, the antenna device can be used as an antenna device coupled to both the magnetic flux including the x-axis direction component and the magnetic flux including the y-axis direction component shown in FIG.
  • the coil part by the spiral conductor pattern was provided in the flexible base material 10,
  • This coil part may be not only a spiral shape but a loop shape.
  • the insertion direction of the magnetic cores 31 and 32 may be reversed, and one of the magnetic cores may be inserted in the opposite direction. That is, it can be appropriately selected depending on the relationship with the communication partner.

Landscapes

  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Selon l'invention, une première section de bobine (11c) et une seconde section de bobine (12c) comprennent des parties centrales d'enroulement servant d'ouvertures conductrices (CW1, CW2) et se présentant sous la forme de deux spirales disposées sur un substrat flexible (10), de même qu'une section de câblage (112i) qui assure une connexion électrique entre la première section de bobine et la seconde section de bobine. Une première fente (21) et une seconde fente (22) sont formées dans les ouvertures conductrices (CW1, CW2) du substrat flexible (10). Des noyaux magnétiques (31, 32) sont insérés dans les fentes (21, 22) du substrat flexible (10) et une découpe en forme de T (S) est formée de sorte à délimiter une première zone (A1), une deuxième zone (A2) et une troisième zone (A3). Le substrat flexible (10) est courbé entre, par exemple, la troisième zone (A3; la zone dans laquelle est formée la section de câblage) et la première zone (A1; la zone dans laquelle est formée la première section de bobine), et entre la troisième zone (A3) et la deuxième zone (A2; la zone dans laquelle est formée la seconde section de bobine).
PCT/JP2012/071258 2011-08-25 2012-08-23 Dispositif antenne WO2013027788A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013530050A JP5464303B2 (ja) 2011-08-25 2012-08-23 アンテナ装置
CN201280008445.3A CN103348533B (zh) 2011-08-25 2012-08-23 天线装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-183329 2011-08-25
JP2011183329 2011-08-25

Publications (1)

Publication Number Publication Date
WO2013027788A1 true WO2013027788A1 (fr) 2013-02-28

Family

ID=47746526

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/071258 WO2013027788A1 (fr) 2011-08-25 2012-08-23 Dispositif antenne

Country Status (3)

Country Link
JP (1) JP5464303B2 (fr)
CN (1) CN103348533B (fr)
WO (1) WO2013027788A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106663873A (zh) * 2014-06-13 2017-05-10 阿莫技术有限公司 Nfc天线模块和具有其的便携式终端
WO2023191251A1 (fr) * 2022-03-31 2023-10-05 삼성전자 주식회사 Dispositif électronique comprenant une antenne de charge sans fil et structure associée

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104681990A (zh) * 2013-11-29 2015-06-03 惠州比亚迪实业有限公司 Nfc天线和移动终端
CN105552527A (zh) * 2016-03-08 2016-05-04 上海德门电子科技有限公司 穿插在相交双环型结构的nfc天线及移动终端
KR20190066872A (ko) * 2017-12-06 2019-06-14 삼성전기주식회사 무선 통신 안테나

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005088531A1 (fr) * 2004-03-16 2005-09-22 Omron Corporation Mince étiquette ci et procédé de fabrication de celle-ci
WO2009078214A1 (fr) * 2007-12-18 2009-06-25 Murata Manufacturing Co., Ltd. Antenne en matériau magnétique et dispositif d'antenne
JP2010154007A (ja) * 2008-12-24 2010-07-08 Murata Mfg Co Ltd 磁性体アンテナ及びアンテナ装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7696884B2 (en) * 2006-03-17 2010-04-13 Macronix International Co., Ltd. Systems and methods for enhancing the magnetic coupling in a wireless communication system
JP4957683B2 (ja) * 2008-08-29 2012-06-20 株式会社村田製作所 アンテナ装置
JP4905506B2 (ja) * 2009-06-22 2012-03-28 株式会社村田製作所 アンテナ装置
JP5848120B2 (ja) * 2010-12-28 2016-01-27 デクセリアルズ株式会社 アンテナモジュール、通信装置及びアンテナモジュールの製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005088531A1 (fr) * 2004-03-16 2005-09-22 Omron Corporation Mince étiquette ci et procédé de fabrication de celle-ci
WO2009078214A1 (fr) * 2007-12-18 2009-06-25 Murata Manufacturing Co., Ltd. Antenne en matériau magnétique et dispositif d'antenne
JP2010154007A (ja) * 2008-12-24 2010-07-08 Murata Mfg Co Ltd 磁性体アンテナ及びアンテナ装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106663873A (zh) * 2014-06-13 2017-05-10 阿莫技术有限公司 Nfc天线模块和具有其的便携式终端
CN106663873B (zh) * 2014-06-13 2020-11-20 阿莫技术有限公司 Nfc天线模块和具有其的便携式终端
WO2023191251A1 (fr) * 2022-03-31 2023-10-05 삼성전자 주식회사 Dispositif électronique comprenant une antenne de charge sans fil et structure associée

Also Published As

Publication number Publication date
CN103348533B (zh) 2015-04-01
CN103348533A (zh) 2013-10-09
JP5464303B2 (ja) 2014-04-09
JPWO2013027788A1 (ja) 2015-03-19

Similar Documents

Publication Publication Date Title
JP4883125B2 (ja) アンテナ
US9577335B2 (en) Antenna
JP5316735B1 (ja) アンテナ装置および通信端末装置
JP5924006B2 (ja) アンテナ装置
US8698685B2 (en) Antenna device
JP5287289B2 (ja) アンテナ装置
JP5641152B2 (ja) アンテナ装置および電子機器
JP2010200309A (ja) 近接型アンテナ及び無線通信機
WO2010150452A1 (fr) Dispositif d'antenne et dispositif sans fil portatif la comportant
WO2011077878A1 (fr) Antenne et terminal mobile
JP4894945B2 (ja) アンテナ
JP5464303B2 (ja) アンテナ装置
JP2008048376A (ja) 基板実装用アンテナコイル及びアンテナ装置
JP2009105774A (ja) アンテナ回路及びその抵抗低減方法、並びにトランスポンダ
WO2012020581A1 (fr) Dispositif d'antenne et dispositif de terminal de réseau
JP4883208B2 (ja) アンテナ装置及びこれを備えた通信装置
JP5353609B2 (ja) アンテナ装置
JP2014027389A (ja) アンテナ装置
JP2010124282A (ja) アンテナコイル
JP6264504B2 (ja) アンテナおよび電子機器
JP4815546B2 (ja) アンテナ装置、通信モジュール、携帯電子機器及びそれを利用した通信方法
JP4807464B1 (ja) アンテナ装置
JP6881447B2 (ja) アンテナ装置及びそれを用いたｉｃタグ
JP5958473B2 (ja) アンテナ装置及び携帯端末
JP5077477B2 (ja) アンテナおよび携帯電話端末

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: 12826233

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013530050

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12826233

Country of ref document: EP

Kind code of ref document: A1