WO2015111466A1 - 無線通信タグ付き物品および無線通信タグ - Google Patents
無線通信タグ付き物品および無線通信タグ Download PDFInfo
- Publication number
- WO2015111466A1 WO2015111466A1 PCT/JP2015/050683 JP2015050683W WO2015111466A1 WO 2015111466 A1 WO2015111466 A1 WO 2015111466A1 JP 2015050683 W JP2015050683 W JP 2015050683W WO 2015111466 A1 WO2015111466 A1 WO 2015111466A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- input
- output terminal
- wireless communication
- communication tag
- article
- Prior art date
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Classifications
-
- 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
-
- 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
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- 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
Definitions
- the present invention relates to a wireless communication tag including an integrated circuit for wireless communication having two input / output terminals and two conductors respectively connected to the two input / output terminals, and an article to which such a wireless communication tag is attached. .
- Patent Document 1 An example of this type of background art is disclosed in Patent Document 1.
- the wireless IC chip is coupled to the first radiating element and the second radiating element that function as a dipole antenna.
- the wireless IC chip and the first radiating element are provided on a small-size power supply board, and the second radiating element is provided on a large-sized printed wiring board different from the power supply board. That is, the second radiating element is provided separately from the main body portion of the wireless communication device. Accordingly, the size of the second radiating element can be increased, and the size of the main body portion of the wireless communication device can be reduced.
- the second radiating element is an element dedicated to the dipole antenna, there is a problem that the cost increases.
- a main object of the present invention is to provide an article with a wireless communication tag or a wireless communication tag that can enhance high-frequency transmission characteristics at low cost.
- An article with a wireless communication tag is an article to which a wireless communication tag is attached, and the wireless communication tag includes a wireless communication integrated circuit having a first input / output terminal and a second input / output terminal, and a first input / output terminal. And a connecting conductor having one end connected to the second input / output terminal and the other open end, and the article has one end connected to the second input / output terminal.
- a metal body that is connected to the other open end and open at the other end.
- the electrical length from the first input / output terminal to the other end of the excitation conductor is less than 1 ⁇ 2 wavelength.
- the electrical length from the first input / output terminal to the other end of the excitation conductor is approximately 1 ⁇ 4 wavelength.
- the electrical length from the second input / output terminal to the open end of the metal body is 1 ⁇ 2 wavelength or more.
- the wireless communication tag further includes a power supply circuit having a predetermined resonance frequency, and the excitation conductor and the connection conductor are connected to the first input / output terminal and the second input / output terminal through the power supply circuit, respectively.
- each of the excitation conductor and the connection conductor is formed on a flexible base material.
- the metal body includes a columnar body, and the wireless communication tag is connected to one end surface of the columnar body.
- the columnar body is a cylindrical spindle.
- a wireless communication tag of the present invention includes a wireless communication integrated circuit having a first input / output terminal and a second input / output terminal, an excitation conductor having one end connected to the first input / output terminal and the other open end, and A wireless communication tag comprising a connection conductor having one end connected to a second input / output terminal and the other open end, wherein the other open end of the connection conductor constitutes at least a part of the article and the other The end of the metal body is connected to one end.
- the excitation conductor Since the second input / output terminal is connected to a connection conductor having a predetermined area and the other end of the excitation conductor connected to the first input / output terminal is an open end, the excitation conductor functions as a monopole antenna. To do. When a current corresponding to a high-frequency signal flows through the excitation conductor, a similar current tends to flow through the connection conductor due to a mirror image effect.
- a metal body is connected to the connection conductor, a current also flows through the metal body. That is, the current flowing through the connecting conductor and the metal body flows through the metal body as if the connecting conductor and the metal body are all dipole antenna elements, and a corresponding high-frequency signal is radiated from the metal body.
- High frequency transmission characteristics can be improved by making the metal body function as a dipole antenna. Moreover, the cost for improving the high-frequency transmission characteristics can be suppressed by using the metal body constituting the article for wireless communication.
- FIG. 4 is a circuit diagram illustrating an example of a configuration of a power feeding circuit provided in the RFIC package illustrated in FIG. 3. It is an illustration figure which shows an example in the state with which the RFID tag shown in FIG. 1 was mounted
- FIG. 1 It is an enlarged view which shows the vicinity of the RFID tag with which the valve
- A is an illustration figure which shows an example of an operation
- B flows through the spindle which comprises the excitation conductor and high-pressure gas valve which comprise an RFID tag. It is an illustration figure which shows an example of a motion of an electric current
- C is an illustration figure which shows an example of an operation
- FIG. 1 It is an illustration figure which shows an example of the connection state of the switch provided in the front surface of the measuring device, and the variable resistance element on the printed circuit board provided in the inside of the measuring device. It is an illustration figure which shows an example in the state with which the RFID tag shown in FIG. 1 was mounted
- the wireless communication tag of the present invention is typically an RFID (Radio Frequency IDentification) tag having a communication frequency in the UHF band.
- RFID Radio Frequency IDentification
- the RFID tag 10 of this embodiment includes a rectangular parallelepiped RFIC (RadiocuFrequency12Circuit) Package 12.
- the RFIC package 12 includes an RFIC chip (wireless communication integrated circuit chip) 12e for processing an RFID signal and a power supply circuit board 12c for mounting the RFIC chip 12e.
- the X axis, the Y axis, and the Z axis are assigned to the length direction, the width direction, and the thickness direction of the rectangular parallelepiped forming the RFIC package 12.
- the I / O terminals 12a and 12b of the RFIC package 12 are respectively connected to the first input / output terminal 12h and the second input / output terminal 12i of the RFIC chip 12e through a power supply circuit provided on the power supply circuit board 12c.
- the flexible base materials 18 and 20 are made of a resin film, and these main surfaces are all rectangular.
- the excitation conductor 14 is printed on the main surface of the flexible base material 18, and the connection conductor 16 is printed on the main surface of the flexible base material 20.
- the excitation conductor 14 and the connection conductor 16 may be formed on the same flexible base material.
- the width of the rectangle formed by the main surface of the flexible base material 18 is significantly larger than the width of the RFIC package 12, whereas the width of the rectangle formed by the main surface of the flexible base material 20 is slightly smaller than the width of the RFIC package 12.
- the excitation conductor 14 is formed in a strap shape, whereas the connection conductor 16 is formed so as to cover the entire main surface of the flexible base material 20.
- the excitation conductor 14 is connected to the I / O terminal 12a by a conductive bonding material 22, and the other end of the excitation conductor 14 is an open end. Therefore, the flexible substrate 18 extends on the positive side in the X-axis direction from the RFIC package 12.
- the excitation conductor 14 is configured by a meander-like conductor pattern, meandering from one end to the negative side in the Y-axis direction, and on the positive side in the X-axis direction. It protrudes and bends to the positive side in the Y-axis direction, and then extends in a straight line and reaches the other end.
- connection conductor 16 In contrast, one end of the rectangle formed by the connection conductor 16 is connected to the I / O terminal 12b by the conductive bonding material 24, and the other end of the rectangle formed by the connection conductor 16 is an open end. Therefore, the flexible substrate 20 extends on the negative side in the X-axis direction from the RFIC package 12.
- the RFIC package 12 has a power supply circuit board 12c and a sealing layer 12d each formed in a plate shape.
- the I / O terminals 12a and 12b described above are formed on the lower surface of the feeder circuit board 12c.
- I / O terminals 12f and 12g are formed on the upper surface of the feeder circuit board 12c.
- An RFIC chip 12e is embedded in the sealing layer 12d, and bump-like first input / output terminals 12h and second input / output terminals 12i are formed on the lower surface of the RFIC chip 12e.
- the first input / output terminal 12h is connected to the I / O terminal 12f
- the second input / output terminal 12i is connected to the I / O terminal 12g.
- the power feeding circuit board 12c is provided with a power feeding circuit 12j shown in FIG. According to FIG. 4, one end of the capacitor C1 is connected to the I / O terminal 12a, and the other end of the capacitor C1 is connected to the I / O terminal 12f and thus the first input / output terminal 12h. In addition, one end of the capacitor C2 is connected to the I / O terminal 12b, and the other end of the capacitor C2 is connected to the I / O terminal 12g and thus the second input / output terminal 12i. One end of the inductor L1 is connected to one end of the capacitor C1, and the other end of the inductor L1 is connected to one end of the capacitor C2.
- the resonance frequency of the RFID tag 10 corresponds to the carrier frequency of the radio communication high-frequency signal, and is defined by the inductor L1 and capacitors C1 to C2 constituting the power feeding circuit 12j and the inductor component of the excitation conductor 14.
- the high-pressure gas valve 30 includes a valve box 32 in which a valve chamber RM1 for accommodating the valve 38 is formed, and a handle 34 that adjusts the position of the valve 38 via a spindle 36.
- the high-pressure gas valve 30 is attached to the high-pressure gas container 40 so that the lower surface of the valve box 32 is closed by the opening of the high-pressure gas container 40.
- the high-pressure gas container 40 is a metal container.
- the handle 34 is a resin molded body, and is disposed above the valve box 32 in a cylinder extending in the vertical direction.
- the valve box 32 is a metal container.
- the upper end of the cylinder is greatly opened, and the lower end of the cylinder is closed at the center position of the circle except for the through hole HL1 extending in the vertical direction.
- the handle 34 has a concave portion CC1 that is recessed downward, and the through hole HL1 is formed at the center of the bottom surface of the concave portion CC1.
- An intake hole VT1 for taking high-pressure gas into the valve chamber RM1 is formed on the lower surface of the valve box 32, and an exhaust hole VT2 for discharging the high-pressure gas taken into the valve chamber RM1 is formed on the side surface of the valve box 32. Is done.
- a through hole HL2 having an inner diameter that matches the inner diameter of the through hole HL1 and reaching the valve chamber RM1 is formed on the upper surface of the valve box 32.
- the spindle 36 is formed in a cylindrical shape using a metal as a material.
- the outer diameter of the cylinder substantially matches the inner diameter of each of the through holes HL1 and HL2.
- the spindle 36 extends in the vertical direction, and its upper end reaches the recess CC1 through the through hole HL1, while its lower end reaches the valve chamber RM1 through the through hole HL2.
- the valve 38 is formed in a disk shape using a metal as a material. One main surface of the disk faces upward, and the other main surface of the disk faces downward.
- the outer diameter of the disc is larger than the outer diameter of the spindle 36, and the lower end of the spindle 36 reaching the valve chamber RM1 is coupled to the valve 38 at the center of one main surface of the disc.
- the valve 38 moves up and down in accordance with the operation of the handle 34, whereby the amount of high-pressure gas discharged from the exhaust hole VT2 is adjusted.
- the RFID tag 10 is mounted in an upside down posture in a recess CC1 formed in the handle.
- the upper surface of the RFIC package 12 is bonded to the bottom surface of the recess CC1
- the excitation conductor 14 is bonded to the inner peripheral surface of the recess CC1
- the connection conductor 16 is bonded to the upper end of the spindle 36.
- the connecting conductor 16 is joined to the upper end of the spindle 36 by a conductive joining material 42.
- the electrical length from the second input / output terminal becomes 1 ⁇ 2 ⁇ or more, so that the current I is the prime current on the spindle 36 and the valve 38.
- I ′ is generated (see FIG. 7B).
- the current I ′ causes resonance of ⁇ / 2 in the metal part ahead of the second input / output terminal as if the spindle 36 and the valve 38 are all dipole antennas.
- Flowing through the body see FIG. 7C), a high-frequency signal having an intensity corresponding to the magnitude of the current I ′ is output from these metal bodies.
- the RFIC chip 12e has a first input / output terminal 12h and a second input / output terminal 12i.
- the excitation conductor 14 has one end connected to the first input / output terminal 12h and the other end opened at a position where the electrical length from the first input / output terminal 12h is less than 1 / 2 ⁇ , particularly 1 / 4 ⁇ .
- the connection conductor 16 has one end connected to the second input / output terminal 12i and the other open end.
- One end of the spindle 36 constituting the high-pressure gas valve 30 is connected to the open end of the connecting conductor 16, and the other end of the spindle 36 is connected to the valve 38.
- High frequency transmission characteristics can be enhanced by causing the spindle 36 and the valve 38 to function as a dipole antenna. Further, by using the members constituting the high-pressure gas valve 30 for wireless communication, it is possible to suppress the cost for improving the high-frequency transmission characteristics. Further, if the valve box 32 and the high-pressure gas container 40 are made of metal and connected to the spindle 36 and the valve 38, a part of the valve box 32 and the high-pressure gas container 40 can be used as a radiating element. Thus, the communication distance can be further increased.
- the RFID tag 10 is attached to the high pressure gas valve 30.
- the RFID tag 10 may be attached to the high-pressure gas container 40 or may be an article other than the high-pressure gas valve 30 as long as it is an article having a metal body, for example, a metal such as a spanner. Made tools are assumed.
- a measuring instrument 50 shown in FIG. 8 is assumed.
- the measuring instrument 50 has a housing 52, and a printed circuit board 62 is accommodated in the housing 52.
- One main surface of the printed circuit board 62 faces upward, and the other main surface of the printed circuit board 62 faces downward.
- a plate-like ground electrode 64 is embedded in the printed circuit board 62.
- the ground electrode 64 is also embedded in the printed circuit board 62 so that one main surface and the other main surface thereof face upward and downward, respectively.
- a variable resistance element 66 is mounted on the printed board 62.
- the variable resistance element 66 is electrically connected to the ground electrode 64 embedded in the printed circuit board 62.
- a volume adjustment switch 54 is provided on the front surface of the housing 52.
- the switch 54 is formed by a resin knob 56 and a metal spindle 60.
- the knob 56 forms a cylinder
- the spindle 60 forms a cylinder.
- the length of the spindle 60 exceeds the length of the knob 56, and the outer diameter of the spindle 60 is smaller than the outer diameter of the knob 56.
- one end of the cylinder forming the knob 56 is opened, and the other end of the cylinder forming the knob 56 is closed.
- the knob 56 is formed with a recess CC2 that is recessed from one end to the other end.
- a cylindrical support body 58 having an outer diameter smaller than the inner diameter of the cylinder forming the knob 56 and extending in the same direction as the cylinder forming the knob 56 is provided on the bottom surface of the recess CC2.
- the inner diameter of the cylinder forming the support body 58 substantially matches the outer diameter of the spindle 60, and the spindle 60 is inserted into the support body 58. Specifically, one end of the spindle 60 is an open end, and the other end of the spindle 60 is screwed with the support body 58.
- the switch 54 is provided on the front surface of the housing 52
- the spindle 60 is orthogonal to the front surface of the housing 52, and one end of the spindle 60 penetrates inside the housing 52 and reaches the variable resistance element 66. Since the spindle 60 has conductivity, the resistance value of the variable resistance element 66 is adjusted by rotating the spindle 60 around the axis using the knob 56.
- variable resistance element 66 is electrically connected to the ground electrode 64 as described above, the spindle 60 is also electrically connected to the ground electrode 64 via the variable resistance element 66.
- the RFID tag 10 is received in the recess CC ⁇ b> 2 formed in the knob 56.
- the flexible base material 18 that supports the excitation conductor 14 is joined to the inner peripheral surface of the recess CC ⁇ b> 2, and the connection conductor 16 is joined to the other end of the spindle 60.
- the connecting conductor 16 is bonded to the other end of the spindle 60 by a conductive bonding material 68.
- the high frequency transmission characteristics can be enhanced by causing the spindle 60 and the ground electrode 64 to function as a dipole antenna. Further, by using the members constituting the measuring device 50 for wireless communication, it is possible to suppress the cost for improving the high-frequency transmission characteristics.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Aerials (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015558804A JP6007448B2 (ja) | 2014-01-23 | 2015-01-13 | 無線通信タグ付き物品および無線通信タグ |
DE112015000479.3T DE112015000479T5 (de) | 2014-01-23 | 2015-01-13 | Artikel mit Drahtloskommunikationskennung und Drahtloskommunikationskennung |
CN201590000247.1U CN206585073U (zh) | 2014-01-23 | 2015-01-13 | 带无线通信标签的物品以及无线通信标签 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2014-009962 | 2014-01-23 | ||
JP2014009962 | 2014-01-23 | ||
JP2014-049732 | 2014-03-13 | ||
JP2014049732 | 2014-03-13 |
Publications (1)
Publication Number | Publication Date |
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WO2015111466A1 true WO2015111466A1 (ja) | 2015-07-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2015/050683 WO2015111466A1 (ja) | 2014-01-23 | 2015-01-13 | 無線通信タグ付き物品および無線通信タグ |
Country Status (4)
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JP (2) | JP6007448B2 (zh) |
CN (2) | CN206585073U (zh) |
DE (1) | DE112015000479T5 (zh) |
WO (1) | WO2015111466A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE212017000183U1 (de) | 2016-07-14 | 2019-02-14 | Murata Manufacturing Co., Ltd. | Aufmerksamkeitsetikett für Einzelhandelartikel sowie Einzelhandelartikel, an dem dasselbe befestigt ist |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6785966B2 (ja) * | 2017-08-24 | 2020-11-18 | 株式会社村田製作所 | Rfidタグ付きパッケージ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009008296A1 (ja) * | 2007-07-09 | 2009-01-15 | Murata Manufacturing Co., Ltd. | 無線icデバイス |
JP2013055457A (ja) * | 2011-09-02 | 2013-03-21 | Toppan Printing Co Ltd | 非接触icラベル |
JP2013258779A (ja) * | 2011-02-28 | 2013-12-26 | Murata Mfg Co Ltd | 無線通信デバイス |
Family Cites Families (8)
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JP2737942B2 (ja) * | 1988-08-22 | 1998-04-08 | ソニー株式会社 | 受信機 |
JPH10256819A (ja) * | 1997-03-12 | 1998-09-25 | Toshiba Corp | 無線機及び無線システム |
JP4086991B2 (ja) * | 1999-01-21 | 2008-05-14 | 株式会社日立国際電気 | 無線機用小形アンテナ |
CN102915462B (zh) * | 2007-07-18 | 2017-03-01 | 株式会社村田制作所 | 无线ic器件 |
JP5291571B2 (ja) * | 2009-08-18 | 2013-09-18 | トッパン・フォームズ株式会社 | 非接触通信部内蔵型金属製筐体 |
JP5286195B2 (ja) * | 2009-08-18 | 2013-09-11 | トッパン・フォームズ株式会社 | 非接触通信部内蔵型金属製筐体 |
JP5355472B2 (ja) * | 2009-12-10 | 2013-11-27 | ニッタ株式会社 | 情報記憶媒体、管理対象物品および管理システム |
JP5834987B2 (ja) * | 2012-02-15 | 2015-12-24 | 株式会社村田製作所 | アンテナ装置および無線通信装置 |
-
2015
- 2015-01-13 CN CN201590000247.1U patent/CN206585073U/zh active Active
- 2015-01-13 CN CN201721232523.4U patent/CN209712910U/zh active Active
- 2015-01-13 WO PCT/JP2015/050683 patent/WO2015111466A1/ja active Application Filing
- 2015-01-13 JP JP2015558804A patent/JP6007448B2/ja active Active
- 2015-01-13 DE DE112015000479.3T patent/DE112015000479T5/de active Pending
-
2016
- 2016-09-09 JP JP2016177018A patent/JP6337931B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009008296A1 (ja) * | 2007-07-09 | 2009-01-15 | Murata Manufacturing Co., Ltd. | 無線icデバイス |
JP2013258779A (ja) * | 2011-02-28 | 2013-12-26 | Murata Mfg Co Ltd | 無線通信デバイス |
JP2013055457A (ja) * | 2011-09-02 | 2013-03-21 | Toppan Printing Co Ltd | 非接触icラベル |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE212017000183U1 (de) | 2016-07-14 | 2019-02-14 | Murata Manufacturing Co., Ltd. | Aufmerksamkeitsetikett für Einzelhandelartikel sowie Einzelhandelartikel, an dem dasselbe befestigt ist |
DE112017003598T5 (de) | 2016-07-14 | 2019-05-02 | Murata Manufacturing Co., Ltd. | Aufmerksamkeitsetikett für einzelhandelsartikel sowie einzelhandelsartikel, an dem dasselbe befestigt ist |
US11087197B2 (en) | 2016-07-14 | 2021-08-10 | Murata Manufacturing Co., Ltd. | Attention tag for retail article and retail article having same attached thereto |
Also Published As
Publication number | Publication date |
---|---|
JP6337931B2 (ja) | 2018-06-06 |
DE112015000479T5 (de) | 2016-11-10 |
JPWO2015111466A1 (ja) | 2017-03-23 |
JP2016226047A (ja) | 2016-12-28 |
CN209712910U (zh) | 2019-12-03 |
JP6007448B2 (ja) | 2016-10-12 |
CN206585073U (zh) | 2017-10-24 |
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