WO2020075732A1 - Étiquette rf à incorporer dans un pneu, et pneu à étiquette rf - Google Patents

Étiquette rf à incorporer dans un pneu, et pneu à étiquette rf Download PDF

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Publication number
WO2020075732A1
WO2020075732A1 PCT/JP2019/039736 JP2019039736W WO2020075732A1 WO 2020075732 A1 WO2020075732 A1 WO 2020075732A1 JP 2019039736 W JP2019039736 W JP 2019039736W WO 2020075732 A1 WO2020075732 A1 WO 2020075732A1
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WO
WIPO (PCT)
Prior art keywords
tag
tire
antenna
chip
embedded
Prior art date
Application number
PCT/JP2019/039736
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English (en)
Japanese (ja)
Inventor
詩朗 杉村
Original Assignee
株式会社フェニックスソリューション
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.)
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Publication date
Application filed by 株式会社フェニックスソリューション filed Critical 株式会社フェニックスソリューション
Priority to JP2020551179A priority Critical patent/JPWO2020075732A1/ja
Publication of WO2020075732A1 publication Critical patent/WO2020075732A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C19/00—Tyre parts or constructions not otherwise provided for
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link

Definitions

  • the present invention relates to an RF tag embedded in a tire and a tire with a built-in RF tag that incorporates the RF tag.
  • the present invention relates to an RF tag whose communication performance does not deteriorate even when embedded in a vulcanized tire.
  • RFID Radio Frequency Identification
  • a reading device a reader / writer
  • the identification information stored in the RF tag is read by the reading device.
  • Patent Document 1 Japanese Patent Publication No. 2006-507967 describes a high frequency device having an antenna which is covered with an insulating coating material having a dielectric constant smaller than that of the rubber material and is embedded in the rubber material of the tire. There is.
  • the antenna of the high-frequency device described in Patent Document 1 is a dipole antenna, and the antenna is covered with an insulating coating material having a dielectric constant smaller than that of a rubber material and not more than 3 to a thickness of at least 0.02 mm.
  • an insulating coating material having a dielectric constant smaller than that of a rubber material and not more than 3 to a thickness of at least 0.02 mm.
  • Patent Document 2 Japanese Unexamined Patent Publication No. 2004-013399 discloses a tire antenna device capable of improving communication performance between a communication device provided on the tire and an external communication device, and a tire having a communication function. , By connecting the points C and D, which are arbitrary points of the belt attached over the entire circumference of the tire, by bypass wiring, and connecting the communication circuit section to this bypass wiring, a part of the belt functions as a loop antenna. It is described that the magnetic material is provided in the vicinity of the belt between the points C and D.
  • Patent Document 3 Japanese Patent Publication No. 2005-5354957 discloses an RFID chip housed inside a rubber tire, the RFID chip being mounted inside the rubber tire and being an antenna for radio communication and reception. Are capacitively coupled to a conductive belt housed inside the tire to provide a.
  • Patent Document 4 Japanese Patent Laid-Open No. 2002-2646157
  • An RFID tag having a detection coil and an antenna coil electromagnetically coupled to the detection coil is provided in the tire, and an internal state detection unit for detecting air pressure, internal temperature, etc. is further provided inside the tire.
  • the installation structure of the RFID tag which is configured by connecting the RFID tag to the RFID tag is described.
  • Patent Document 5 Japanese Patent Laid-Open No. 10-166820
  • a transmission output of an interrogator is obtained by using a coil-shaped conductive wire used on the inner and outer circumferences of a tire as an antenna directly connected to a transponder.
  • a transponder-equipped tire is described in which the wires are the transponder's receiving and transmitting antennas.
  • Patent Document 1 discloses a high-frequency device (RF tag) that can be embedded in a tire relatively easily.
  • an RF tag having a half-wavelength dipole length of 83 mm and a reading range of 48 inches in a free space is adjusted to 47 mm when embedded in a tire to realize a reading range of 41 inches (about 1 m).
  • the impedance of the IC chip and the antenna wire do not match depending on the IC chip or the communication frequency. There is a problem that performance deteriorates.
  • the antenna described in Patent Document 1 when the antenna described in Patent Document 1 is embedded in a tire, the antenna length fluctuates due to the pressure during tire molding, and the dielectric constant fluctuates due to variations in rubber components during vulcanization, etc. There is also a problem in that the communication distance is reduced due to two fluctuation factors such that the wavelength ⁇ changes.
  • Patent Document 2 a magnetic body 83 is provided in order to bring a part (2a) of the belt 2 into an electrically close state (Patent Document 2), and the antenna pin 11 is provided.
  • a capacitive coupling to the conductive belt 74, and further, the ground pin 16 is connected to a ground plane provided between the RFID chip 10 and the surface of the tire 50 (Patent Document 3), and a loop antenna having a large diameter along the circumferential direction of the tire. 8 is embedded, and the antenna coil 2 and the detection coil 9 are further added (Patent Document 4), the use is limited to "a tire with a transponder in which the rubber of the belt strip is a non-conductive rubber", and conductive carbon powder is used.
  • an RF tag cannot be used (Patent Document 5), and the tire needs to be subjected to additional complicated processing or embedded. Kill tire there is a problem, such as limited.
  • the main object of the present invention is to be able to embed in a tire without additional complicated processing such as a belt inside the tire, to match the impedance between the IC chip of the RF tag and the antenna, and It is an object of the present invention to provide an RF tag capable of suppressing a decrease in communication distance even when embedded in a wide range of tires including vulcanized tires, and an RF tag built-in tire incorporating such an RF tag.
  • An RF tag is an RF tag of a dipole antenna type embedded in a tire, which includes an IC chip, two antenna wires respectively connected to two terminals of the IC chip, and two terminals of the IC chip.
  • the impedance of the IC chip and the antenna wire is matched at the communication frequency of the RF tag by including an inductor connected between them and a matching circuit configured by the inductor and the internal equivalent capacitance of the IC chip.
  • the impedance of the antenna wire changes depending on the dielectric constant of the rubber of the tire.
  • the impedance of the IC chip for the RF tag also varies depending on the IC chip design and the communication frequency. Therefore, it is necessary to match the impedance between the IC chip and the antenna wire at the communication frequency of the RF tag.
  • an inductor is connected between two terminals of the IC chip, a matching circuit is configured by the internal equivalent capacitance of the inductor and the IC chip, and the value of the inductor is adjusted to adjust the IC chip and the antenna wire. The impedance is matched with.
  • the inductor is a chip inductor.
  • An RF tag according to a third aspect of the present invention is the RF tag according to one aspect, in which the inductor is covered with a material having a dielectric constant smaller than that of rubber of the tire.
  • the inductor for impedance matching by covering the inductor for impedance matching with a material having a lower dielectric constant than the rubber of the tire, even when the rubber overlaps the inductor, the variation in the inductance due to the rubber is suppressed, and the impedance between the IC chip and the antenna wire is reduced. Can maintain consistency.
  • An RF tag according to a fourth aspect of the present invention is the RF tag according to the third aspect of the present invention, in which two antenna lines extend from the IC chip in mutually opposite directions, and the wavelength of the communication frequency of the RF tag is ⁇ . At this time, the lengths of the two antenna lines are both ⁇ / 4.
  • the optimum value of the length of the antenna wire is ⁇ / 4, and it is preferable to design the antenna according to this optimum value. Since the antenna of the present invention is embedded in the tire and the wavelength thereof is affected by the dielectric constant of the tire, it is necessary to consider the dielectric constant of the tire when calculating the wavelength of the communication frequency of the RF tag.
  • An RF tag according to a fifth aspect of the present invention is the RF tag according to any one aspect of the third aspect, wherein the two antenna lines extend from the IC chip in mutually opposite directions, and the wavelength of the communication frequency of the RF tag is ⁇ . At this time, the length of one of the two antenna lines is ⁇ / 4, and the length of the other antenna line is 3 ⁇ / 4.
  • the RF tag when the RF tag is embedded in a dielectric having a complicated structure such as a tire, the communication gain of a specific frequency component is low. However, since this frequency component varies depending on the type or structure of the dielectric, It is difficult to design an RF tag assuming it. Therefore, by designing the lengths of the first antenna and the second antenna of the dipole antenna to be ⁇ / 4 and 3 ⁇ / 4, respectively, the RF tag facilitates communication of harmonics (n times the frequency). That is, by facilitating the communication of the harmonic between the RF tag and the reader / writer, it becomes possible to perform the communication with a high gain in any of the components of the harmonic, so that the communication with a high gain can be performed.
  • the RF tag can be used.
  • An RF tag according to a sixth aspect of the present invention is the RF tag according to any one aspect of the fifth aspect, wherein the two antenna lines are formed by conductor mesh lines.
  • the antenna wire of the present invention Since the antenna wire of the present invention is embedded in the tire, it is pressed during tire molding and vulcanization.
  • the antenna wire is formed of a wire such as spring steel as described in the cited document 1, the length of the antenna wire changes due to the pressure applied during tire molding.
  • the present invention by forming the antenna wire with a mesh of conductors, it is possible to suppress a variation in the length of the antenna wire due to pressure applied during tire molding.
  • the antenna wire although it is possible to form the antenna wire with a straight conductor wire, when the antenna wire is formed with a straight conductor wire, there is a problem that the antenna wire is separated from the rubber of the tire.
  • the antenna wire formed of the mesh wire of the present invention when used, the rubber penetrates into the mesh wire, so that the antenna wire is not separated from the rubber of the tire.
  • An RF tag according to a seventh aspect of the present invention is the RF tag according to any one aspect of the sixth aspect, wherein the two antenna lines are formed of copper mesh wires.
  • the resistance of the antenna wire can be lowered by adopting a copper mesh wire.
  • the tire with a built-in RF tag according to the eighth aspect of the invention is a tire with a built-in RF tag in which the RF tag according to the seventh aspect is embedded.
  • the impedance of the IC chip and the antenna wire are matched, and it is possible to suppress a decrease in communication distance during tire molding and vulcanization. Therefore, the RF tag reading device can reliably read the unique information of the tire.
  • a tire with a built-in RF tag according to a ninth invention is the tire with a built-in RF tag according to the eighth invention, wherein the RF tag is embedded in a sidewall of the tire.
  • a tire with a built-in RF tag according to a tenth aspect of the invention is the tire with a built-in RF tag according to the ninth aspect of the invention, in which two antenna lines are embedded in a radial direction centering on the rotation axis of the tire.
  • the tire with a built-in RF tag according to the eleventh invention is the tire with a built-in RF tag according to the eighth to tenth inventions, wherein the tire is a vulcanized tire.
  • the elastic limit of the rubber of the tire can be increased by vulcanizing.
  • the problem of a decrease in the communication distance due to a change in the dielectric constant of rubber due to vulcanization is a problem.
  • the matching circuit is configured by the inductor and the equivalent capacitance inside the IC chip. It is possible to suppress a decrease in communication distance due to changes in characteristics such as dielectric constant.
  • FIG. 1 is an equivalent circuit diagram of the RF tag 10 of the first embodiment
  • FIG. 2 is a schematic explanatory diagram of the RF tag 10.
  • the main frequency range used by the RF tag 10 is in the range of 860 MHz to 928 MHz, and the flight distance is preferably 2 m or more.
  • the RF tag 10 includes a first antenna line 1, a second antenna line 2, an IC chip 3, and a chip inductor 4.
  • the capacitor 5 is an internal equivalent capacitance of the IC chip 3.
  • the RF tag 10 is an RF tag including a dipole antenna, and the first antenna line 1 and the second antenna line 2 are respectively connected to two terminals of the IC chip 3 and are in opposite directions from the IC chip 3.
  • the two antennas, which are dipole antennas, are extended.
  • the lengths of these two first antenna lines 1 and second antenna lines 2 are 1 ⁇ 4 ⁇ , respectively, where ⁇ is the effective wavelength at the communication frequency of the RF tag 10.
  • these two antenna wires are formed by conductor mesh wires (including braided wires).
  • copper is used as the conductor, but other arbitrary materials such as iron and brass can be used.
  • any metal wire such as copper, iron, or brass, metal material (for example, tape shape, ribbon shape, etc.) or conductive material other than metal (organic conductive material, composite material, etc.) may be used. it can.
  • the first and second antenna wires 1 and 2 may be strip-shaped metal thin plates.
  • the first antenna line 1 and the second antenna line 2 are formed by mesh lines, so that bending, twisting, deformation, etc. in the first antenna line 1 and the second antenna line 2 may be slightly. Enables the contraction of. Thereby, when the tire is deformed or vibrated, the first antenna line 1 and the second antenna line 2 are deformed and vibrated following the deformation and vibration of the tire. 1 and 2 never break.
  • the tire is embedded in the first antenna wire 1 and the second antenna wire 2 of the mesh wire, the rubber penetrates into the inside of each of the first antenna wire 1 and the second antenna wire 2, so that the RF tag 10 is integrated with the rubber of the tire, and the RF tag 10 can be prevented from peeling from the tire.
  • the effective wavelength of the communication distance of the RF tag 10 is usually shortened according to the dielectric constant of the tire.
  • the first antenna line 1 and the second antenna line 2 are contracted (adjusted) to a length corresponding to the maximum dielectric constant, and By adopting the method of stretching (adjusting) according to the dielectric constant, by using one type of RF tag 10, it is possible to flexibly cope with a tire having a relative dielectric constant of 3 to 11.
  • the IC chip 3 has a function as the RF tag 10 including transmission and reception of radio waves.
  • the radio wave transmitting / receiving terminal of the IC chip 3 usually has an output impedance in which a resistance component of about 1 k ⁇ to 2 k ⁇ and a capacitance component of about 1 pF to 2 pF are connected in parallel.
  • the fundamental impedance of the half-wavelength dipole antenna is 73.1 + j42.55 ⁇ . Therefore, when this transmission / reception terminal is connected to the dipole antenna, the impedance does not match and the communication distance of the RF tag 10 becomes short. There are challenges.
  • an inductor is connected between two terminals of the IC chip 3 to form a matching circuit with the inductor and the internal equivalent capacitance of the IC chip 3, and the value of the inductance is adjusted, whereby the radio wave of the IC chip 3 is adjusted.
  • the communication distance of the RF tag 10 is 2 m or more.
  • this inductor when this inductor is configured with a coil pattern, the inductance of the coil pattern may change due to the dielectric constant of the rubber of the tire overlying the coil pattern, and the impedance may not match, resulting in a problem that the communication distance is shortened. . Therefore, in the present embodiment, a chip inductor having a small contact area with rubber is used as the inductor to reduce the variation of the inductance when the RF tag 10 is embedded in the tire and suppress the deviation of impedance matching. There is. Further, when the chip inductor is not used as the inductor, the variation of the inductance can be reduced by a method of covering the coil pattern with a protective material having a small dielectric constant, which is preferable. The dielectric constant of the protective material is preferably 1 or more and 2 or less.
  • FIG. 3 shows an example of actually measured values of the flight distance of the RF tag 10 of the present embodiment in a state of being wrapped in a rubber sheet having a thickness of 2 mm.
  • a flight distance of 2.4 m is obtained in the Eu (Europe) band (860 MHz) and a flight distance of 2.6 m is obtained in the Japan-American band (920 MHz), and a flight distance of 2 m or more is obtained. It can be seen that It should be noted that the flight distance in the Japanese-American band is increased by 1.11 when converted to 4W airp, which corresponds to about 2.9 m.
  • FIG. 4 is a schematic cross-sectional view of the tire 100 with a built-in RF tag, which has the RF tag 10 built therein.
  • an RF tag built-in tire 100 having the RF tag 10 built therein includes a wheel rim 20, a bead wire 30, a carcass 40, a sidewall 50, a breaker cord 60, and a tread 70.
  • the RF tag 10 embeds the antenna wire in the sidewall 50 along the radial direction with the tire rotation axis as the center. This is due to the following reasons. First, the damage due to the deformation of the tire during acceleration / deceleration is small, and the peeling of the RF tag 10 from the RF tag built-in tire 100 can be prevented. When the RF tag reader is placed close to an automobile, the distance to the reader can be shortened by embedding it in the sidewall 50. Finally, there are few obstacles between the RF tag 10 and the reading device.
  • the embedding position of the RF tag 10 is not limited to the above, and the RF tag 10 can be embedded in any place of the tire 100 with a built-in RF tag, such as between the breaker cord 60 and the tread 70.
  • FIG. 5 is a schematic diagram showing another example of the RF tag 10.
  • the RF tag 10 includes a first antenna line 1, a second antenna line 2, and an IC chip 9.
  • the length of these two first antenna lines 1 is (1/4) ⁇ , where ⁇ is the effective wavelength at the communication frequency of the RF tag 10, and the length of the second antenna line 2 is RF.
  • the effective wavelength at the communication frequency of the tag 10 is ⁇ , it is (3/4) ⁇ . That is, the first antenna line 1 and the second antenna 2 of the RF tag 10 in FIG. 5 form a harmonic antenna.
  • the second antenna 2 in the RF tag 10 in FIG. 5 is an antenna capable of handling high-order frequency components that are an integral multiple of the frequency component for transmission / reception.
  • the second antenna 2 is formed of an nth harmonic compatible antenna.
  • the peak of the frequency component of 1 times the communication frequency may be smaller than the integral multiple and the frequency component of the double, and the peak of the double frequency component may be large.
  • the lengths of the first antenna 1 and the second antenna 2 are changed with respect to the effective wavelength, it is possible to communicate by capturing the peak of the frequency component that is doubled.
  • these two antenna lines are formed by conductor mesh lines.
  • copper is used as the conductor, but other arbitrary materials such as iron and brass can be used.
  • the chip inductor 4 and the internal equivalent capacitance 5 of the IC chip 3 are built in the IC chip 9.
  • the IC chip 9 has a size of several millimeters when embedded in a tire, the pressure applied to the RF tag 10 can be reduced.
  • FIGS. 6 and 7 are schematic diagrams for explaining the process when the RF tag 10 is embedded in the tire.
  • the RF tag 10 is attached to the tire material 25 before vulcanization.
  • the tire material 25 before vulcanization has holes or notches 21 formed at least at two or more places.
  • the end of the RF tag 10 is inserted into the hole or notch 21 of the tire material 25.
  • the RF material 10 before vulcanization, to which the RF tag 10 is attached is brought into contact with the tire before vulcanization and vulcanized, so that the RF tag 10 can be easily embedded in the tire.
  • the tire material 25 and the tire can be simultaneously vulcanized.
  • the tip ends of the first antenna line 1 and the second antenna line 2 of the RF tag 10 are passed through the holes or notches 21 of the tire material 25.
  • the first and second antenna wires 1 and 2 are arranged so that the front surface portion of the tire material 25 and the back surface portion of the tire material 25 are alternately arranged.
  • the antenna wires 1 and 2 can be arranged along the tire material 25.
  • the first and second antenna wires 1 and 2 are inserted into the cuts (or holes) 21 so that the first and second antenna wires 1 and 2 are alternately arranged on the front surface and the back surface of the tire material 25.
  • the first and second antenna wires 1 and 2 of the RF tag 10 are securely attached to the tire material 25.
  • the RF tag 10 corresponds to an “RF tag”
  • the first antenna line 1 and the second antenna line 2 correspond to an “antenna line”
  • the IC chip 3 corresponds to an “IC chip”
  • the chip inductor 4 corresponds to an “inductor”
  • the equivalent capacitance 5 included in the IC chip 3 corresponds to an “internal equivalent capacitance”
  • the RF tag built-in tire 100 corresponds to an “RF tag built-in tire”
  • the sidewall 50 Corresponds to the "sidewall”.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Tires In General (AREA)

Abstract

La présente invention a pour objet de fournir : une étiquette RF qui peut assurer une performance de communication lorsqu'elle est incorporée dans des pneus larges, dont des pneus vulcanisés ; et un pneu à étiquette RF qui incorpore une telle étiquette RF. À cet effet, l'invention porte sur une étiquette RF 10 : qui est une étiquette RF d'antenne dipôle 10 qui doit être incorporée dans un pneu ; et qui comprend une puce à circuit intégré 3, un premier fil d'antenne 1 et un second fil d'antenne 2 qui sont respectivement connectés à deux bornes de la puce à circuit intégré 3, et une inductance de puce 4 qui est connectée entre les deux bornes de la puce à circuit intégré 3. La bobine d'induction de puce 4 et la capacité équivalente interne 5 de la puce à circuit intégré 3 forment un circuit de redressement. Le circuit de redressement redresse l'impédance entre la puce à circuit intégré et les lignes d'antenne à une fréquence de communication pour l'étiquette RF 10. Ce pneu à étiquette RF 100 a une étiquette RF 10 à l'intérieur duquel est incorporé un circuit de redressement qui y est intégré, ce qui permet à un dispositif de lecture de lire de manière fiable des informations qui sont uniques au pneu.
PCT/JP2019/039736 2018-10-10 2019-10-09 Étiquette rf à incorporer dans un pneu, et pneu à étiquette rf WO2020075732A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020551179A JPWO2020075732A1 (ja) 2018-10-10 2019-10-09 タイヤに埋め込まれるｒｆタグおよびｒｆタグ内蔵タイヤ

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Application Number Priority Date Filing Date Title
JP2018191509 2018-10-10
JP2018-191509 2018-10-10

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WO2020075732A1 true WO2020075732A1 (fr) 2020-04-16

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182570A (en) * 1989-11-13 1993-01-26 X-Cyte Inc. End fed flat antenna
JP2009288874A (ja) * 2008-05-27 2009-12-10 Mitsubishi Electric Corp 無線通信装置
JP2012240680A (ja) * 2011-05-19 2012-12-10 Goodyear Tire & Rubber Co:The 埋め込まれたトランスポンダとタイヤの組立体およびその製造方法
WO2013102967A1 (fr) * 2012-01-06 2013-07-11 パナソニック株式会社 Dispositif d'antenne
JP2014021894A (ja) * 2012-07-23 2014-02-03 Fujitsu Ltd Ｒｆｉｄタグ
KR20160050452A (ko) * 2014-10-29 2016-05-11 아시아나아이디티 주식회사 타이어 부착형 알에프아이디 태그
JP2016533968A (ja) * 2013-09-17 2016-11-04 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー 外部に取り付けられた装置のためのタイヤ構造

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182570A (en) * 1989-11-13 1993-01-26 X-Cyte Inc. End fed flat antenna
JP2009288874A (ja) * 2008-05-27 2009-12-10 Mitsubishi Electric Corp 無線通信装置
JP2012240680A (ja) * 2011-05-19 2012-12-10 Goodyear Tire & Rubber Co:The 埋め込まれたトランスポンダとタイヤの組立体およびその製造方法
WO2013102967A1 (fr) * 2012-01-06 2013-07-11 パナソニック株式会社 Dispositif d'antenne
JP2014021894A (ja) * 2012-07-23 2014-02-03 Fujitsu Ltd Ｒｆｉｄタグ
JP2016533968A (ja) * 2013-09-17 2016-11-04 ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー 外部に取り付けられた装置のためのタイヤ構造
KR20160050452A (ko) * 2014-10-29 2016-05-11 아시아나아이디티 주식회사 타이어 부착형 알에프아이디 태그

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