JP4337526B2 - Wireless tag cartridge and wireless tag information communication device - Google Patents

Description

The present invention relates to radio tag cartridge and RFID tag information communicating apparatus, in particular, RFID cartridge and unsubstituted linear tag information communicating apparatus capable of preventing the writing of information to the write covered RFID circuit element It is about.

There is known an RFID (Radio Frequency Identification) system that reads / writes information in a non-contact manner between a small wireless tag and a reader (reading device) / writer (writing device). For example, a wireless tag circuit element included in a label-like wireless tag includes an IC circuit unit that stores predetermined information and an antenna unit that is connected to the IC circuit unit and transmits and receives information. Even when the tag is dirty or placed at an invisible position, information can be read / written from / to the IC circuit section from the reader / writer side, and various items such as product management and inspection processes can be performed. Practical use is expected in various fields.

As a writer (writing device) for writing information to such a RFID circuit element, for example, the one described in Patent Document 1 is known. In this prior art, belt-shaped paper with rectangular labels attached at predetermined intervals is sequentially unwound from the paper supply unit and supplied from one side of the housing, and the predetermined information generated by the module in the housing is By transmitting to the RFID circuit element side affixed to the label via the read / write antenna provided in the belt-shaped paper conveyance path, writing is sequentially performed on the IC circuit portion of the RFID circuit element, Finally, it is discharged from the other side of the housing.
JP 2002-2026 (paragraph numbers 0002 to 0009, FIGS. 1 to 4)

  In communication with wireless tags, the 125 KHz band that has been used for a long time, the 13.65 MHz band that has been used for a long time, and the like have been used. However, since those using these bands have a short communication distance, there is a problem that the use as a wireless tag is limited. Therefore, in the future, it is considered to use a high frequency such as UHF band (830 to 930 MHz band, 2.45 GHz band, etc.) that is widely used in Europe and America as a frequency band.

In the above prior art, no special consideration has been given to the case of using such a high frequency band, so that as it is, not only the RFID tag circuit element that is the original information writing target due to the increase in communication distance, but also the subsequent Other RFID tag circuit elements will enter the communicable area . Therefore, in addition to the RFID circuit element that is the target of writing information, there is a problem that information is also written to other subsequent RFID tag circuit elements (to the RFID tag circuit element that is not the target of writing information). It was.

An object of the present invention is to solve the above-described problems, and prevents writing of information to RFID tag circuit elements not to be written even when a high frequency such as a UHF band is used. It is an object of the present invention to provide a wireless tag cartridge and a wireless tag information communication apparatus capable of performing the above.

In order to achieve the above object, a wireless tag cartridge according to claim 1 of the present invention is a roll of a film in which a plurality of RFID circuit elements capable of writing information by wireless communication are arranged in a band at predetermined intervals. The wireless device is formed of a box-shaped housing that is housed inside and includes an electromagnetic wave shield that is formed in part or all of the housing and blocks the wireless communication, and is drawn out of the housing. As for the tag circuit element, the wireless tag circuit element housed in the housing is made in a state where the information can be written by enabling wireless communication with an antenna provided outside the housing. With respect to, the wireless communication with the antenna is blocked by the electromagnetic wave shield, thereby making it impossible to write the information .

The RFID tag cartridge according to claim 2 is the RFID tag cartridge according to claim 1, wherein the housing of the RFID tag cartridge is formed of a resin obtained by vapor deposition, coating, or plating of an electromagnetic wave shielding material.

  The RFID tag cartridge according to claim 3 is the RFID tag cartridge according to claim 1, wherein the housing of the RFID tag cartridge is formed of an electromagnetic wave absorber.

  The RFID tag cartridge according to claim 4 is the RFID tag cartridge according to claim 3, wherein a housing of the RFID tag cartridge is formed of a resin containing a conductor.

  The RFID tag cartridge according to claim 5 is the RFID tag cartridge according to claim 3, wherein the housing of the RFID tag cartridge is formed of ferrite or a resistive film.

The wireless tag cartridge according to claim 6, wherein the wireless tag storage unit that stores in a roll a base film in which a plurality of wireless tag circuit elements capable of writing information by wireless communication are arranged in a strip shape at predetermined intervals , A cover-shaped housing having a cover film storage portion for storing a cover film to be bonded to the base film in a roll shape , and the wireless tag storage portion includes the wireless communication. The RFID circuit element provided with an electromagnetic wave shield for blocking and drawn out of the RFID tag housing portion is configured to write the information by enabling wireless communication with an antenna provided outside the housing. On the other hand, the RFID circuit element housed in the RFID tag housing portion is wirelessly connected to the antenna. The By blocking by the electromagnetic wave shielding, to write the non-state of the information.

RFID cartridge according to claim 7, wherein, in the radio cartridge according to claim 1 or 6, the housing of the RFID cartridge is formed of a resin are attached electromagnetic wave shielding material to the inner surface of the housing .

The wireless tag information communication device according to claim 8, wherein a wireless tag cartridge in which a plurality of wireless tag circuit elements capable of writing information by wireless communication are arranged in a strip shape at a predetermined interval and stored in a roll shape , removably has a cartridge holder unit for accommodating therein the information in writing Dressings before Symbol RFID circuit element drawn out of the cartridge holder portion from the accommodating wireless tag cartridge to the cartridge holder portion There is an antenna for transmitting the information to be written to the RFID circuit element outside the cartridge holder part , and the cartridge holder part is formed in a part or all of the antenna and blocks the wireless communication The RFID circuit element including an electromagnetic wave shielding member that is pulled out of the cartridge holder portion , By enabling wireless communication with the antenna, the information can be written, while the RFID circuit element existing in the cartridge holder portion performs wireless communication with the antenna. By blocking by the electromagnetic wave shielding member, writing of the information is made impossible .

A wireless tag information communication apparatus according to a ninth aspect is the wireless tag information communication apparatus according to the eighth aspect, wherein the cartridge holder portion is formed of a resin obtained by vapor deposition, coating or plating of an electromagnetic wave shielding member.

  The RFID tag information communication apparatus according to claim 10 is the RFID tag information communication apparatus according to claim 8, wherein the cartridge holder portion is formed of a resin, and a part or all of the resin is shielded from electromagnetic waves. It is comprised so that it may surround with a member.

  An RFID tag information communication apparatus according to an eleventh aspect is the RFID tag information communication apparatus according to the eighth aspect, wherein the cartridge holder portion is formed of an electromagnetic wave shielding member.

12. placing the RFID tag information communicating apparatus, the RFID tag information communicating apparatus according to any one of claims 8 to 11, in addition to the cartridge holder portion, further, the directivity is strong direction before Kia antenna On the other hand, the electromagnetic wave shielding member is disposed .

  A wireless tag information communication device according to a thirteenth aspect is the wireless tag information communication device according to any one of the tenth to twelfth aspects, wherein the electromagnetic wave shielding member is formed of ferrite or a resistance film.

According to the RFID tag cartridge of the present invention, when information is written in the RFID circuit element by wireless communication with the antenna provided outside the housing, the RFID circuit element drawn out of the housing is wirelessly connected to the antenna. By enabling communication, information can be written. On the other hand, with respect to the RFID tag circuit element housed in the housing, wireless communication with the antenna is blocked by an electromagnetic wave shield formed on a part or all of the housing, thereby making it impossible to write information. . Therefore, there is an effect that it is possible to prevent information from being written to the RFID circuit element housed in the housing, that is, to the RFID circuit element that is not to be written.

Further , according to the wireless tag cartridge of the present invention including the wireless tag storage portion and the cover film storage portion, when information is written to the wireless tag circuit element by wireless communication with the antenna provided outside the housing, the wireless tag storage The wireless tag circuit element drawn out of the unit is in a state where information can be written by enabling wireless communication with the antenna. On the other hand, with respect to the RFID circuit element housed in the RFID tag housing portion, the wireless communication with the antenna is blocked by the electromagnetic wave shield provided in the RFID tag housing portion, thereby making it impossible to write information. Therefore, there is an effect that it is possible to prevent information from being written to the RFID tag circuit element accommodated in the RFID tag accommodating portion, that is, to the RFID tag circuit element not to be written.

Further, according to the wireless tag information communication device of the present invention, when information is written in the wireless tag circuit element by wireless communication with an antenna provided outside the cartridge holder portion, the wireless tag pulled out of the cartridge holder portion is used. The tag circuit element is in a state where information can be written by enabling wireless communication with the antenna. On the other hand, with respect to the RFID circuit element present in the cartridge holder portion, the wireless communication with the antenna is blocked by the electromagnetic wave shielding member provided in the cartridge holder portion, thereby making it impossible to write information. Therefore, there is an effect that it is possible to prevent information from being written to the RFID tag circuit element existing in the cartridge holder portion, that is, to the RFID tag circuit element that is not to be written.

Further , according to the wireless tag information communication device of the present invention, since the cartridge holder portion includes the electromagnetic wave shielding member, it is not necessary to apply electromagnetic wave shielding to the wireless tag cartridge housed in the cartridge holder portion . Therefore , there is an effect that the cost of the RFID tag cartridge can be suppressed .

Further, in the RFID tag information communication apparatus of the present invention, in addition to the cartridge holder part, if the electromagnetic wave shielding member is arranged in a direction in which the antenna has a strong directivity, the RFID tag information communication apparatus is provided outside the cartridge holder part. When information is written to the RFID circuit element by wireless communication with the antenna, the wireless communication can be prevented from extending outside the RFID tag information communication apparatus. Therefore, there is an effect that information can be prevented from being erroneously written to the RFID circuit element placed near the outside of the RFID tag information communication apparatus.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a diagram illustrating a wireless tag generation system 10 to which the present invention is preferably applied. In the wireless tag generation system 10, the wireless tag information communication device 12 according to an embodiment of the present invention includes a route server 16, a terminal 18, a general-purpose computer 20, and a plurality of information servers via a wired or wireless communication line 14. 22 is connected.

  In the wireless tag generation system 10, information such as information to be written on the wireless tag label 24 and characters to be printed on the printing range of the wireless tag label 24 is input by the user and stored in the information server 22 at the terminal 18 or the general-purpose computer 20. The identification information is stored in the RFID circuit element 24a included in the RFID tag by the RFID tag information communication device 12 by designating the address of the article information being stored and the storage address of the corresponding information in the route server 16. In addition, article information and the like are written, and printing is performed in the printing range of the RFID label 24.

  FIG. 2 is a diagram for explaining the configuration of the RFID tag information communication apparatus 12. The RFID tag information communication apparatus 12 is for producing the RFID tag label 24 shown in FIGS. 4 and 5, and prints predetermined print characters and the like, as will be described later, and a desired writing ID, article information, etc. Is written in the IC circuit section 80 so that the RFID label 24 can be immediately created according to the user's request, and a cover film 86 to be described later for generating the tag tape 26 that is the material of the RFID label 24. A detachable cartridge 28 for accommodating a base tape 92 and the like in which a RFID circuit element 24a including an ink ribbon 98, an antenna section 64, and an IC circuit section 80 is disposed in a band at predetermined intervals, and a cartridge motor 30. A cartridge motor drive circuit 32 for controlling the feeding of the tag tape 26 from the cartridge 28, Via a print drive circuit 36 for controlling the drive of the thermal head 34 for printing on the tag tape 26, a feed roller 38 for feeding the tag tape 26 in the direction indicated by the arrow, and a feed roller motor 40. The feed roller drive circuit 42 for controlling the drive of the feed roller 38, the conveyance guide 46 for guiding the tag tape 26 from the cartridge 28 to the carry-out port 44, and the tag tape 26 is predetermined according to the drive of the solenoid 48. A cutter 50 that is cut to the length of the RFID tag 24 and is divided into individual RFID labels 24, a sensor 52 that detects the presence or absence of the tag tape 26 at the carry-out port 44, and the RFID circuit element 24a communicate with each other. Information is written to the RFID tag circuit element 24a via the device-side antenna unit 54 and the device-side antenna unit 54 High-frequency circuit 56, a signal processing circuit 58 for processing the signal read from the RFID circuit element 24a and reading information, the cartridge motor drive circuit 32, the print drive circuit 36, and the feed roller drive circuit. 42, a solenoid 48, a high frequency circuit 56, a signal processing circuit 58, and the like, and a control circuit 60 for controlling the wireless tag information communication device 12 is provided. The control circuit 60 is connected to the communication line 14 by an input / output interface 62. The cartridge holder portion that houses the cartridge 28 will be described later.

  FIG. 3 is a diagram for explaining the configuration of the RFID circuit element 24a. As shown in FIG. 3, the RFID circuit element 24a includes an antenna unit 64 for transmitting / receiving signals to / from the RFID tag information communication device 12 by reflection communication using a high frequency such as UHF, and the antenna unit 64. A rectifier 66 that rectifies the carrier wave received by the power supply unit 68, a power supply unit 68 for storing energy of the carrier wave rectified by the rectifier 66, and a clock signal extracted from the carrier wave received by the antenna unit 64. A clock extraction unit 70 to be supplied to the control unit 76; a memory unit 72 functioning as an information storage unit capable of storing a predetermined information signal; a modem unit 74 connected to the antenna unit 64; the rectifying unit 66; And a control unit 76 for controlling the operation of the RFID circuit element 24a through the extraction unit 70, the modulation / demodulation unit 74, and the like. . The control unit 76 performs control to store the predetermined information in the memory unit 72 by communicating with the RFID tag information communication device 12, and the carrier wave received by the antenna unit 64 in the modulation / demodulation unit 74. After performing modulation based on the information signal stored in the unit 72, basic control such as control of reflecting back from the antenna unit 64 as a reflected wave is executed. The rectifying unit 66, the power supply unit 68, the clock extracting unit 70, the modem unit 74, the control unit 76, and the memory unit 72 are formed in an IC circuit unit 80 which is one integrated circuit.

  4A and 4B are views for explaining the appearance of the RFID label 24, wherein FIG. 4A is a plan view and FIG. 4B is a bottom view. 5 is a cross-sectional view taken along line VV in FIG. As shown in FIG. 4A, on one surface (front surface) of the RFID label 24, for example, a print 78 such as “RF-ID” that allows the user to recognize the contents of the RFID label 24 is a cover film. 86. As shown in FIG. 4B, the back surface of the RFID label 24 is not printed with the release paper 90 adhered thereto.

  As shown in FIG. 5, the IC circuit unit 80 including the rectification unit 66, the power supply unit 68, the clock extraction unit 70, the memory unit 72, the modulation / demodulation unit 74, the control unit 76, and the like is made of PET (polyethylene terephthalate) or the like. The antenna portion 64 is formed on the surface of the base film 82 by printing or the like. A transparent cover film 86 is bonded to the front side of the base film 82 via an adhesive layer 84, and a release paper 90 is bonded to the back side of the base film 82 via an adhesive layer 88. The print 78 is printed on the back surface of the cover film 86, that is, the surface on the adhesive layer 84 side. Further, when the RFID label 24 is attached to a predetermined product or the like, the release paper 90 is peeled off and adhered by the adhesive layer 88.

  FIG. 6 is a diagram for explaining in detail the configuration of the cartridge 28 of the present invention. As shown in an enlarged view, a part of the cartridge 28 is wound with a band-shaped base tape 92 in which the RFID tag circuit elements 24a including the antenna part 64 and the IC circuit part 80 are continuously arranged. One roll 94 (wireless tag storage portion), a second roll 96 (cover film storage portion) around which the cover film 86 having the same width as the base tape 92 is wound, and an ink ribbon 98 are wound. The ink ribbon roll 100, the winding roller 102 for winding the ink ribbon 98, the base tape 92 and the cover film 86 are pressed and bonded together to feed the tape in the direction indicated by the arrow. The pressure roller 104 is provided so as to be able to rotate about each axis. Although the first roll 94 and the second roll 96 are drawn concentrically in the drawing, they are actually spirally wound around a core. The ink ribbon roll 100 and the take-up roller 102 are disposed on the back side of the cover film 86, that is, the side to be bonded to the base tape 92, and the ink ribbon 98 is connected to the RFID tag information communication device 12. By being pressed by the thermal head 34 provided on the main body, the thermal head 34 is brought into contact with the back surface of the cover film 86.

In forming the tag tape 26, the winding roller 102 and the pressure roller 104 are rotated in synchronization with each other in the directions indicated by the arrows by driving the cartridge motor 30. At this time, when a plurality of heating elements provided in the thermal head 34 are energized by the print drive circuit 36, a predetermined amount is applied to the back surface of the cover film 86, that is, the surface to be bonded to the base tape 92. Characters, symbols, bar codes, and the like are printed, and after the printing is performed, the tag tape 26 is formed by being bonded to the base tape 92 by the pressure roller 104. Further, the tag tape 26 is transferred to the guide 46, and when passing through the guide 46, an inquiry signal is transmitted to the RFID circuit element 24a via the device-side antenna unit 54, and the RFID circuit element 24a is A response radio wave is transmitted. Control circuits 6 0 and the signal processing circuit 58 extracts the ID of the RFID circuit element 24a included in the reply radio wave, and transmits the write command and writing information including the ID. In this way, after predetermined information is written in the IC circuit portion 80 of the RFID circuit element 24a, it is cut into a predetermined length by the cutter 50 and divided into individual RFID labels 24.

  Predetermined identification information is stored in advance in each RFID circuit element 24a in accordance with the order in which the cartridge is accommodated in the cartridge 28 (in other words, the order in which the cartridge is taken out). Normally, different information can be written into the RFID circuit element 24a taken out from the cartridge 28, and the information is not written into the RFID circuit element 24a housed in the cartridge 28. It is necessary to do so. Therefore, the RFID tag cartridge 28 of the present invention has an electromagnetic wave shield on the housing 29 thereof.

  As a method for applying electromagnetic wave shielding, the housing 29 itself of the RFID tag cartridge 28 is formed of an electromagnetic wave shielding member, and the housing 29 itself of the RFID tag cartridge is formed of a resin having no electromagnetic wave shielding effect. There is a method of attaching a shield member.

  Electromagnetic wave shielding members include resistive radio wave absorbers (resistance coatings, resistance fibers, conductive paints, etc.), dielectric radio wave absorbers (rubber carbon type, FRP type, etc.) and combined radio wave absorbers (ferrite type and carbon type, etc.) )It has been known. Since these have different characteristics depending on the band of radio waves, a multilayer type is used when an electromagnetic wave shield is required in a wide band.

  For millimeter wave band, epoxy modified urethane rubber mixed with carbon particles, epoxy resin mixed with titanium oxide and carbon particles as coating material, and ITO (indium tin oxide) under the protective film as a resistance film absorber ) And a multilayered structure made of aluminum foil in the lower layer is used.

  In the first embodiment, the housing 29 of the cartridge 28 is formed of an electromagnetic wave shielding member as means for applying an electromagnetic wave shield. For example, the housing 29 is made of a resin containing a conductor such as carbon or a conductor (aluminum or the like).

  In the second embodiment, the housing 29 is made of a normal resin that does not shield electromagnetic waves, and an electromagnetic wave shielding member is attached to the inside of the housing 29. FIG. 6 is a view for explaining the second embodiment and shows a state in which the electromagnetic wave shielding member 31 is attached to the inner side of the housing 29 of the cartridge 28. The electromagnetic wave shielding member is welded to the entire inner surface of the housing 29. Attached by the post 29a.

  As an alternative method, an electromagnetic wave shielding member can be deposited by depositing an electromagnetic wave shielding member on the housing 29 of the cartridge 28, applying an electromagnetic wave shielding member, or plating.

  The housing 29 is connected to a conduction terminal 31a from an electromagnetic wave shielding member 31. By attaching the cartridge 28 to the wireless tag information communication apparatus 12, conduction is obtained by contact with a conduction terminal 56a on the apparatus side described later. The wireless tag information communication device 12 is configured to have the same potential as the ground potential. For this reason, the electromagnetic wave shielding member 31 is always at ground potential, and plays the role of electromagnetic wave shielding without receiving and re-emitting electromagnetic waves.

  FIG. 7 is a view for explaining the third embodiment, and is a first roll wound with a belt-like base tape 92 in which IC circuit portions 80 and the like housed in the cartridge 28 are continuously arranged. It is a figure which shows a mode that only the part of 94 is enclosed with an electromagnetic wave shielding member. As shown in the figure, the electromagnetic wave shielding member 33 is welded to the welding post 29a so that the first roll 94 in the cartridge 28 and the base tape 92 drawn upward are surrounded by the electromagnetic wave shielding member 33 surrounding the pressure roller 104. Is pasted. Similarly to the second embodiment, a conduction terminal 33a is connected to the electromagnetic wave shielding member 33, and by attaching the cartridge 28 to the RFID tag information communication apparatus 12, it conducts by contact with a conduction terminal 56a on the apparatus side described later. And is configured to have the same potential as the ground potential of the wireless tag information communication device 12.

  In the first and second embodiments, since the electromagnetic wave shield is provided on the housing 29 of the cartridge 28 or on the entire surface of the housing, the electromagnetic wave can be reliably shielded. On the other hand, in the third embodiment, the electromagnetic wave shield is applied only to the portion in which the RFID circuit element 24a is accommodated, and the electromagnetic wave can be shielded efficiently at low cost.

  In the first to third embodiments, the case where the cartridge 28 is shielded against electromagnetic waves has been described. However, the RFID tag that houses the cartridge 28 and communicates information with the RFID circuit element 24a taken out from the cartridge 28 is used. Another embodiment in which an electromagnetic wave shield is provided on the device side of the information communication device 12 will be described below.

  FIG. 8 is a view for explaining a fourth embodiment in which an electromagnetic wave shield is provided on the cartridge holder portion 112, and as shown in the XX sectional view, the entire surface of the cartridge holder portion 112 formed of resin. The electromagnetic wave shielding member 114 is pasted on the welding post. This figure shows a state in which the cartridge 28 is not attached. The cartridge holder portion 112 is provided with a cartridge holder lid 13 that opens and closes when the cartridge 28 is mounted or taken out. The electromagnetic shield member 116 is adhered to the entire surface of the cartridge holder lid 13 with an adhesive. These electromagnetic wave shielding members 114 and 116 are electrically connected so as to have the same potential as the ground potential.

  The cartridge holder portion 112 and the cartridge holder lid 13 itself may be formed of an electromagnetic wave shielding member. Alternatively, the cartridge holder portion 112 and the cartridge holder lid 13 may be formed of a normal resin that does not have the effect of electromagnetic wave shielding, and an electromagnetic wave shielding member may be deposited, coated, or plated on the resin.

  Further, as a fifth embodiment, inside the casing of the RFID tag information communication apparatus 12, between the conveyance guide 46 or the RFID circuit element 24a for guiding the tag tape 26 from the cartridge 28 to the carry-out port 44. Electromagnetic wave shielding members 108 and 110 are provided on the upper side and the lower side of the apparatus-side antenna unit 54 for performing communication. This state is shown in the center part of FIG. 8 and the YY sectional view. The maintenance cover 122 is a removable cover for repairing when the tag tape 26 is clogged with the conveyance guide 46 or the like, and its four corners are screwed. In this figure, a part of the maintenance cover 122 is omitted and the inside is displayed. Inside, an electromagnetic wave shielding member 108 is attached to the inner upper surface of the inverted U-shaped portion 106 made of resin, and an electromagnetic wave shielding member 110 is attached to the inner lower surface. These electromagnetic wave shielding members are also conductive so as to have the same potential as the ground potential. The maintenance cover 122 itself is also formed of an aluminum plate or the like as an electromagnetic wave shielding member, and is electrically connected so as to have the same potential as the ground potential.

  The direction of the electromagnetic wave is strong in the vertical direction of the device-side antenna unit 54, and the electromagnetic wave from the device-side antenna unit 54 is provided by arranging the electromagnetic shielding members 108 and 110 on the upper side and the lower side of the device-side antenna unit 54. Therefore, when the RFID circuit element 24a is placed outside the housing, communication with the RFID circuit element 24a can be prevented.

  FIG. 9 is a diagram for explaining the sixth embodiment, in which information is written to the cartridge holder portion 124 for storing the cartridge 28 inside the RFID tag information communication apparatus 12 and the RFID tag taken out from the cartridge 28. The positional relationship with the apparatus side antenna part 54 which has a writing part to insert is represented. The cartridge holder portion 124 is formed of a resin, and a portion near the device-side antenna portion 54 is covered with an electromagnetic wave shielding member 126 and a resin lid 128 that opens and closes for maintenance of the thermal head 34, the pressure roller 104, and the like. An electromagnetic wave shielding member 132 is also attached to a portion near the device-side antenna portion 54 by a welding post 128a.

  The lid 128 is configured to be opened and closed about a rotation shaft 130. With the above configuration, the radio wave radiated from the device-side antenna unit 54 has a strong directivity. Therefore, by providing the electromagnetic shield members 126 and 132, communication with the RFID circuit element 24a accommodated in the cartridge 28 can be performed. Can be blocked.

  In the fourth to sixth embodiments, since the electromagnetic wave shield is applied to the cartridge holder portions 112 and 124 in the wireless tag information communication device 12, it is not necessary to apply an electromagnetic shield to the cartridge 28. It can be supplied at low cost.

  FIG. 10 is a diagram illustrating the configuration of the control circuit 60 in each of the above embodiments. As shown in FIG. 10, the control circuit 60 includes a central processing unit CPU 140, a ROM (Read Only Memory) 142, a RAM (Random Access Memory) 144, etc., and uses the temporary storage function of the RAM 144. On the other hand, it is a so-called microcomputer that performs signal processing according to a program stored in the ROM 142 in advance. An I / O 62 is an input / output circuit, which receives a detection signal from the reading sensor 33 and sensor 52, processes a transmission / reception signal to / from the RFID circuit element 24a, and reads out information. Input / output information, and output signals for driving the cartridge motor drive circuit 32, the print drive circuit 36, the feed roller drive circuit 42, the solenoid 48, and the like. The control circuit 60 is connected to the communication line 14 via the input / output interface 62, and communicates information with the route server 16, the terminal 18, the general-purpose computer 20, the information server 22, and the like. Is possible.

  FIG. 11 is a flowchart of a program for writing information to the RFID circuit element 24a executed by the CPU 140 of the RFID tag information communication apparatus 12.

  First, the wireless tag information communication device 12 transmits a radio wave inquiring about ID (identification information) to the wireless tag circuit element 24a (S11). This radio wave reaches the RFID circuit element 24a taken out from the cartridge 28. However, since the cartridge 28 is shielded by electromagnetic waves, it does not reach the RFID circuit element 24a accommodated in the cartridge. Only the RFID circuit element 24a taken out from the cartridge 28 responds. A response from the RFID circuit element 24a to the inquiry is received (S12).

  The ID included in the response from the wireless tag circuit element 24a is extracted, the extracted ID is included in the write command, and information to be written in the wireless tag circuit element 24a is transmitted (S13), and the process is terminated.

  On the other hand, processing in the RFID circuit element 24a that receives and processes the write information will be described with reference to the flowchart of FIG.

  First, when a radio wave for inquiring about an ID is received (S21), the received radio wave is converted into a digital signal (S22), and an ID is extracted from the digital signal (S23). Next, the ID of the RFID circuit element 24a itself is extracted from the memory unit 72 (S24), and it is determined whether or not the received ID is the same as its own ID (S25).

  If these IDs are the same (S25: Yes), an instruction command is extracted from the received digital signal (S26), and it is determined whether or not the instruction command is a write instruction (S27). If the command is a write command (S27: Yes), write information is extracted from the digital signal (S28), and the write information is written in the memory unit 72 (S29), and the process is terminated.

  On the other hand, if it is determined in S27 whether or not it is a write command (S27: No), processing is performed according to the command (S30), and this series of processing is terminated. If it is determined in S25 that the received ID is different from the ID of the RFID circuit element itself, the process is terminated.

  The present invention has been described based on the embodiments. However, the present invention is not limited to the above-described embodiments, and various improvements and modifications can be easily made without departing from the spirit of the present invention. It can be guessed.

  For example, in the above-described embodiment, the RFID circuit element is included in a tape wound in a roll shape at a predetermined interval. However, the present invention is not limited to this. For example, a sheet-shaped strap is included in a cassette. You may apply this invention to what was piled up.

It is a figure explaining the radio | wireless tag production | generation system to which this invention is applied suitably. It is a figure for demonstrating the structure and operation | movement of a wireless tag information communication apparatus. It is a block diagram which shows the electric constitution of a wireless tag circuit element. It is a figure which shows the external appearance of a wireless tag label, (a) is a top view, (b) is a bottom view. It is sectional drawing of a wireless tag label. It is a figure explaining the structure of a cartridge. It is a figure explaining the structure of another cartridge. It is a figure which shows the structure of the wireless tag information communication apparatus of this invention. It is a figure which shows a cartridge holder part. It is a circuit block diagram explaining the structure of a control circuit. 5 is a flowchart for explaining an information writing operation to the RFID circuit element by the RFID tag information communication apparatus. 6 is a flowchart for explaining an information exchange operation with the RFID tag communication device by the RFID tag circuit element.

12: RFID tag information communication device 24: RFID circuit element 28: Cartridge 29: Cartridge housing 31, 33: Electromagnetic shield member 33: Cartridge holder 34: Thermal head 54: Device side antenna 64: Antenna 74: Memory Part 80: IC circuit part
92: Base tape (film)
94: First roll (wireless tag storage unit)
96: Second roll (cover film storage)
108, 110: Electromagnetic wave shielding member
124: Cartridge holder

Claims (13)

A wireless tag cartridge comprising a box-shaped housing for storing a film in which a plurality of RFID circuit elements capable of writing information by wireless communication are arranged in a band at a predetermined interval in a roll shape,
Formed on a part or the whole of the housing, includes an electromagnetic wave shielding for blocking the radio communication,
For the RFID circuit element pulled out of the housing, the wireless communication with the antenna provided outside the housing is enabled to enable writing of the information,
About the RFID circuit element accommodated in the housing, the RFID tag cartridge is characterized in that the communication with the antenna is blocked by the electromagnetic wave shield so that the information cannot be written. . 2. The wireless tag cartridge according to claim 1, wherein the housing of the wireless tag cartridge is formed of a resin obtained by vapor deposition, painting, or plating of an electromagnetic shielding material.   2. The wireless tag cartridge according to claim 1, wherein the housing of the wireless tag cartridge is formed of an electromagnetic wave absorber.   4. The RFID tag cartridge according to claim 3, wherein the housing of the RFID tag cartridge is formed of a resin containing a conductor.   4. The RFID tag cartridge according to claim 3, wherein a housing of the RFID tag cartridge is formed of ferrite or a resistance film. A wireless tag storage portion for storing a base film in which a plurality of RFID circuit elements capable of writing information by wireless communication are arranged in a band at predetermined intervals in a roll shape, and a cover film bonded to the base film a wireless tag cartridge consists box-shaped housing with a cover film accommodating portion for accommodating therein a roll form,
The wireless tag storage unit includes an electromagnetic wave shield that blocks the wireless communication ,
For the RFID tag circuit element drawn out of the RFID tag storage unit, by enabling wireless communication with an antenna provided outside the housing, the information can be written.
The wireless tag circuit element housed in the wireless tag housing portion is configured to make the writing of the information impossible by blocking wireless communication with the antenna by the electromagnetic wave shield. Tag cartridge. The housing of the RFID cartridge, the wireless tag cartridge according to claim 1 or 6, characterized in that it is formed of a resin electromagnetic shield material is adhered to the inner surface of the housing. The RFID cartridge housing a plurality arranged the film strip writing information by radio communication is possible is the RFID circuit element at predetermined intervals therein in a roll shape, removably have a cartridge holder unit for accommodating therein and, a write No No line tag information communicating apparatus the information before Symbol RFID circuit element drawn out of the cartridge holder portion from RFID cartridge accommodated in the cartridge holder portion,
Outside the cartridge holder part , provided with an antenna for transmitting the information to be written to the RFID circuit element,
The cartridge holder portion is formed in part or all of the cartridge holder portion, and includes an electromagnetic wave shielding member that blocks the wireless communication,
For the RFID circuit element pulled out of the cartridge holder part, the wireless communication with the antenna is enabled to enable writing of the information,
The wireless tag circuit element present in the cartridge holder part is configured to make the writing of the information impossible by blocking wireless communication with the antenna by the electromagnetic wave shielding member. Tag information communication device. 9. The wireless tag information communication apparatus according to claim 8, wherein the cartridge holder portion is formed of a resin obtained by vapor deposition, painting or plating of an electromagnetic wave shielding member.   9. The RFID tag information communication according to claim 8, wherein the cartridge holder portion is formed of a resin, and a part or all of the resin is surrounded by an electromagnetic wave shielding member. apparatus.   9. The wireless tag information communication device according to claim 8, wherein the cartridge holder portion is formed of an electromagnetic wave shielding member. The addition to the cartridge holder portion, further, with respect to the directivity is strong direction before Kia antenna, a wireless tag according to any of claims 8 11, characterized in that it is arranged the electromagnetic wave shielding member Information communication device.   The wireless tag information communication device according to claim 10, wherein the electromagnetic wave shielding member is formed of ferrite or a resistance film.

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