JP4845306B2 - RF-ID inspection system - Google Patents

RF-ID inspection system Download PDF

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Publication number
JP4845306B2
JP4845306B2 JP2001292079A JP2001292079A JP4845306B2 JP 4845306 B2 JP4845306 B2 JP 4845306B2 JP 2001292079 A JP2001292079 A JP 2001292079A JP 2001292079 A JP2001292079 A JP 2001292079A JP 4845306 B2 JP4845306 B2 JP 4845306B2
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Japan
Prior art keywords
inspection
system
rf
id
inspection object
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Expired - Fee Related
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JP2001292079A
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Japanese (ja)
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JP2003099721A (en
Inventor
誠 梅田
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トッパン・フォームズ株式会社
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Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an RF-ID inspection system for inspecting the quality of manufactured RF-IDs.
[0002]
[Prior art]
In recent years, a technology related to a non-contact type identification medium (non-contact type IC card or the like) called RF-ID (Radio Frequency Identification) has been rapidly advanced, and its use is also various. There are various types of such RF-IDs depending on the use and processing contents, and it is hoped that the inspection corresponding to the type is easily performed when the inspection is performed by the reader / writer corresponding to each type. It is rare.
[0003]
Conventionally, RF-ID is roughly classified into an electromagnetic coupling type and an electrostatic coupling type. Basically, an antenna is formed on a film base and an IC module is mounted. . In this case, the antenna is formed in a coil shape in the case of the electromagnetic coupling type, and is planar (so-called solid shape) in the case of the electrostatic coupling type. Then, the operation check for each single IC module and the measurement of the communication distance for each antenna are performed to check the quality of the product. Whether or not the communication distance is measured is determined by whether or not the communication distance determined according to the performance of the reader / writer is secured.
[0004]
On the other hand, the RF-ID differs in size and antenna shape depending on the coupling type, and even if it is the same type, for example, the chip (microprocessor) of the mounted IC module differs depending on the transmission protocol, The current situation is that the transmission method and processing program in the reader / writer must be different depending on the chip.
[0005]
[Problems to be solved by the invention]
However, in the system for inspecting the manufactured RF-ID, depending on the type of RF-ID to be inspected, the corresponding reader / writer including the antenna has to be replaced every time, which is inefficient. However, it is difficult to deal with the increase in the type of RF-ID, while the IC module (particularly the microprocessor) mounted on the RF-ID is limited by the reader / writer, and the spread and development of the RF-ID are limited. There is a problem that it will inhibit.
[0006]
In addition, a card type is mainly used for RF-ID, and is often supplied as a single piece for inspection, but for manufacturing efficiency, a plurality of RF-ID modules are continuously formed to form a sheet or a roll. Even when the inspection is performed in this form, there is a problem that the reader / writer must be replaced as described above according to the form and size.
[0007]
Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide an RF-ID inspection system that can be easily inspected according to the type of RF-ID and can cope with future types of increase. To do.
[0008]
[Means for Solving the Problems]
In order to solve the above-described problems, the invention of claim 1 is an RF-ID inspection system that performs communication using an RF-ID including at least an antenna and an IC module as an inspection target and inspects the quality of the inspection target. and conveying means for conveying the test object at the test position, and a predetermined number of system-side antenna which is prepared for each kind of the inspection object, mounted a plurality arranged system antenna for communicating with said object The system side antenna corresponding to the inspection object is switched, and the drive mechanism for positioning the inspection object is determined, and the quality of the inspection object is determined according to the type of the inspection object. Inductively coupled with the inspection target via the system-side antenna, transmits predetermined data, and based on the response from the inspection target side A structure including a determining processing system the quality of elephants, the.
[0009]
In the inventions of claims 2 and 3, "the processing system or a part thereof is mounted on a substrate on which the system-side antenna is mounted, or a substrate different from the substrate on which the system-side antenna is mounted",
“An opening that is interposed between the inspection object and the system-side antenna in order to avoid communication with an RF-ID in the vicinity of the inspection object, and that makes the system-side antenna face the inspection object It is a structure provided with the shield member formed.
[0010]
As described above, when communication is performed using an RF-ID including at least an antenna and an IC module as an inspection target, and the quality of the inspection target is inspected, a predetermined number of system sides prepared for each type of inspection target in the drive mechanism A plurality of antennas are mounted side by side, and are switched according to the type of inspection object to communicate with the inspection object. That is, by switching the system-side antenna according to the type of RF-ID to be inspected, it becomes possible to facilitate the inspection corresponding to the type of inspection object, and against the future increase in types of RF-ID It is possible to easily cope with this.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. Here, the RF-ID according to the present invention is a medium capable of transmitting and receiving data such as identification information in a non-contact manner, such as a non-contact type IC card as well as a non-contact type label and tag.
[0012]
FIG. 1 shows an exploded configuration diagram of a basic configuration in an RF-ID inspection system according to the present invention. In FIG. 1, the RF-ID inspection system 11 is roughly divided into a conveyance belt 12, a shield member 13, and a drive mechanism 14 that constitute one conveyance unit that sequentially conveys an inspection target to an inspection position. Here, the processing system for performing the inspection processing is not shown (shown in FIG. 5).
[0013]
For example, an RF-ID 21 as an electromagnetic coupling type IC card is supplied to the transport belt 12 by a supply means (not shown), and the RF-ID 21 at the inspection position becomes the inspection object 21X. In the RF-ID 21 (21X), a coil antenna 21A and an IC module 21B are formed on a predetermined base, and a barcode 21C that uniquely identifies the IC card is appropriately formed by printing. Such RF-ID 21 is manufactured as a personal authentication card, a credit card, an electronic money card, or the like, for example, in a generally known manufacturing process.
[0014]
The shield member 13 is formed in a plate shape or a net shape from a conductive material such as metal or conductive resin, and is between a system-side antenna (to be described later) and the inspection target 21X (here, below the inspection target 21X). Intervened in. In addition, the shield member 13 is formed with an opening 13A that makes the system-side antenna face the target inspection object 21X, and the peripheral part of the shield member 13 is formed at a distance from the inspection target 21X. It is made larger than the surface so that the radio wave transmission by the edge is not affected by the nearby RF-ID 21.
[0015]
Although not shown, the shield member 13 is integrally formed in the vertical direction (Z direction), the width direction of the transport belt 12 (Y direction), and the transport belt 12 by the drive mechanism 14 on which the system-side antenna is mounted. Driven in the transport direction (X direction). Here, the term “integral” means that the shield member 13 is driven while being fixed to the drive mechanism 14 or is driven synchronously by another drive.
[0016]
Generally, the RF-ID 21 has a predetermined resonance frequency, and performs reception by resonating in response to radio waves from the system antennas 31 and 32. Therefore, when the shield member 13 exhibits a shielding function for the RF-ID 21 around the inspection target 21X, the electrical characteristics (inductance L, capacitance C) of these RF-IDs change and the resonance frequency changes. Therefore, it does not react to the radio waves from the system antennas 31 and 32, and communication is impossible. Therefore, since only the inspection target 21X reacts to the radio waves from the system antennas 31 and 32, the target inspection 21X can be reliably identified.
[0017]
The drive mechanism 14 is disposed below the inspection object 21X and below the shield member 13. The drive mechanism 14 is mounted with system-side antennas 31 and 32 and moved in the transport direction of the transport belt 12. Driving, Y driving for moving in the width direction of the conveyor belt 12, and Z driving for moving in the vertical direction are performed. The system-side antennas 31 and 32 are prepared for each type of RF-ID 21 to be inspected 21X. As described above, each type of RF-ID 21 is an IC module (chip) due to a difference in size and type (electromagnetic type, electrostatic type) of the coil antenna 21A, a transmission protocol when data processing is performed by the IC module 21B, and the like. It is the kind produced by the difference. Although FIG. 1 shows a case where two types of system-side antennas 31 and 32 are mounted, the number for each type of inspection object can be mounted.
[0018]
On the other hand, in the vicinity of the inspection position above the conveyor belt 12, the position detection means 15 for detecting that the inspection object 21X has been conveyed to the inspection position, the BCR (bar code reader) 16 for reading the barcode 21C, and the inspection after the inspection A marker 17 for marking the result on the inspection object 21X is arranged at an appropriate position.
[0019]
In addition, although the case where the said shield member 13 and the drive mechanism 14 were arrange | positioned under the test object 21X was shown, it is located above the conveyance belt 12, and it communicates from the upper direction with respect to the said test object 21X. Also good. In this case, the position detector 15, the BCR 16, and the marker 17 are appropriately arranged at positions that avoid the shield member 13 and the drive mechanism 14.
[0020]
FIG. 2 is an explanatory perspective view of the antenna unit used in the inspection system of FIG. Here, two types of electromagnetic coupling type and electrostatic coupling type are shown, but each is produced for each size and shape according to the type of the inspection object. In FIG. 2A, an electromagnetic coupling type system side antenna 31 corresponding to the electromagnetic coupling type RF-ID shown in FIG. 1 and FIG. The cable 35 is extended through the cable. In FIG. 2B, a planar electrode 32A and an electrode are formed on the substrate 33 as the electrostatic coupling type system antenna 32 corresponding to the electrostatic coupling type RF-ID shown in FIG. 32B is mounted, and a cable is extended through the connector 34. The cable 35 in FIGS. 2A and 2B is connected to a processing system described later.
[0021]
In the above example, the case is shown in which there are two electrodes of the electrostatic coupling type RF-ID to be inspected and two electrodes 32A and 32B facing each other on the inspection system side. In the case where there are a total of four electrodes, two electrodes for transmission and two electrodes for reception, the opposite electrodes are divided into a total of four for transmission and reception, respectively. It becomes an electrode.
[0022]
Here, FIG. 3 shows a schematic explanatory diagram of another inspection object of the electromagnetic coupling type in the inspection object of FIG. In FIG. 3 (A), the RF-ID 21 shown in FIG. 1 is an object to be inspected when it is manufactured as an IC card. The RF-ID 21 in which the antenna 21A is formed and the IC module 21B is mounted is continuously formed in a row at a predetermined interval to form a roll. Although the interval is appropriately determined, the interval can be shortened according to the opening 13A by interposing the shield member 13 as described above.
[0023]
There are various methods for manufacturing the roll shape. For example, a copper foil is bonded to polyethylene terephthalate (PET) with an epoxy adhesive, and each antenna 21A wound in a coil shape is formed by etching. The IC modules 21B are connected to each other by reflow soldering, and are then rolled (or may be in a sheet state) and conveyed in the longitudinal direction above or below the drive mechanism 14 by a conveying means (not shown). is there.
[0024]
FIG. 3B shows a sheet-like structure in which a coil antenna 21A is formed on a sheet 42 and RF-IDs 21 on which IC modules 21B are mounted are continuously formed in a plurality of columns and rows at predetermined intervals. It is a roll. Similarly to the above, the interval can be a short interval according to the opening 13A of the shield member 13 interposed. The RF-ID 21 formed on the sheet 42 can be manufactured by the method described with reference to FIG. 3A, and then is in a sheet state or a roll state and is not illustrated above or below the drive mechanism 14. It is conveyed in the longitudinal direction by the conveying means.
[0025]
Next, FIG. 4 is a schematic explanatory view showing the electrostatic coupling type inspection object in the inspection object of FIG. FIG. 4A shows a case where an RF-ID 21 serving as an electrostatic coupling type IC card is supplied onto a conveyor belt 12 by a supply means (not shown). An electrode antenna is formed on a predetermined base. 61A and 61B and the IC module 62 are formed, and a barcode 63 that uniquely identifies the RF-ID 21 is appropriately formed by printing. Such RF-ID 21 is also manufactured as a personal authentication card, a credit card, an electronic money card, or the like, for example, by a generally known manufacturing process.
[0026]
FIG. 4B shows a state before RF-ID 21, that is, electrodes 61 </ b> A and 61 </ b> B are formed as planar antennas on the sheet 51, and RF-ID 21 mounted with IC modules 62 is continuously arranged in a row. Thus, it is formed at a predetermined interval to form a roll. Although the interval is appropriately determined, the interval can be shortened according to the opening 13A by interposing the shield member 13 as described above.
[0027]
For example, the roll-shaped manufacturing method is as follows: a copper foil is bonded to polyethylene terephthalate (PET) with an epoxy-based adhesive, and the electrodes 61A and 61B are made flat by etching, and the electrodes 61A and 61B are formed on the electrodes 61A and 61B. On the other hand, the IC modules 62 are connected by reflow soldering, and are then rolled (or in a sheet state) and conveyed in the longitudinal direction above or below the drive mechanism 14 by conveying means (not shown). .
[0028]
FIG. 4C shows a sheet form in which electrodes 61A and 61B are formed on a sheet 52, and RF-IDs 21 on which IC modules 62 are mounted are continuously formed in a plurality of columns and rows at predetermined intervals. Or it is a roll. Similarly to the above, the interval can be set to a short interval according to the opening 13A of the shield member 13 interposed. The RF-ID 21 formed on the sheet 52 can be manufactured by the method described with reference to FIG. 4B, and then is in a sheet state or a roll state and is not illustrated above or below the drive mechanism 14. It is conveyed in the longitudinal direction by the conveying means.
[0029]
Next, FIG. 5 shows a block configuration diagram of an RF-ID inspection system according to the present invention, and FIG. 6 shows a block configuration diagram of the inspection processing unit of FIG. Here, a case where the inspection target 21X is the electromagnetic coupling type RF-ID 21 shown in FIGS. 1 and 3 is shown, and the system-side antenna 31 shown in FIG. 2A is selected by switching. Show.
[0030]
In FIG. 5, the RF-ID inspection system 11 according to the present invention is disposed above the drive mechanism 14, the processing system 72, and the conveyor belt 12 with respect to the inspection object 21 </ b> X in each RF-ID 21 that is conveyed by the conveyor belt 12. The position detecting means 15, the BCR 16, and the marker 17 are configured.
[0031]
The inspection target 21X includes an IC module 21B including a processing unit 81, a memory 82, and a demodulation unit 83, and a coil antenna 21A. The coil antenna 21A is wound in a coil shape on a plane as described above, receives a signal from the inspection system 11, or sends data to the inspection system 11 (system side antenna 31) from the inspection target 21X. It plays the role of sending.
[0032]
In the IC module 21B, the memory 82 is for storing various information as a card or the like. The demodulator 83 demodulates the control signal and data from the radio wave received by the coil antenna 21A, and appropriately converts the code. And the process part 81 performs the process which memorize | stores the received control signal and data in the memory 82 with a program, and transmits the data memorize | stored in the memory 82. FIG.
[0033]
Further, the conveyance belt 12 is driven by a conveyance driving unit 73 as a conveyance unit. The drive mechanism 14 is an X, Y, Z drive mechanism that is driven by an antenna drive unit 74, and is equipped with system-side antennas 31 and 32 that communicate with the inspection target 21X. As described above, the antenna drive unit 74 moves the system-side antennas 31 and 32 in the Z direction to set the communication distance in the direction of the inspection target 21X, and moves the center (coil antenna) in the width direction of the inspection target 21X. The Y position is moved to the center of 21A or in FIG. 3B (the width direction with respect to the conveyance direction in the case of the sheet 42 (52) in FIG. 4C), and the inspection object 21X is appropriately inspected in the conveyance movement state. The antenna drive unit 74 moves the shield member 13 and the system-side antennas 31 and 32, but the shield member 13 is moved to the system-side antenna. When driving separately from 31, 32, the shield member 13 is moved in the vertical direction (Z direction) in synchronization with the system antennas 31, 32. To.
[0034]
The processing system 72 includes a control unit 91, an inspection processing unit 92, and a data memory 93 for determining whether the inspection target 21X is acceptable, and includes a power amplification unit 94, a modulation unit 95, a transmission unit 96, a detection unit 97, and data. A conversion unit 98, a conveyance drive control unit 99, an antenna drive control unit 100, an interface (IF) unit 101, and a display unit 102 are provided.
[0035]
The control unit 91 performs overall control of the entire processing system 72, and is constructed by a program of application software corresponding to this. As another example, the modulation unit 95, the transmission unit 96, and the detection unit 97 are set according to the type of the inspection target in accordance with the switching of the system antennas 31 and 32. For example, the modulation / demodulation mode is switched by FSK (frequency shift keying) or PSK (phase shift keying), and the carrier frequency is switched by 13.56 MHz, 847 KHz, 424 KHz, 212 KHz, 125 KHz, or the like. The switching of the system-side antennas 31 and 32 is based on, for example, input data of the type to be examined by the operator.
[0036]
Although the details will be described with reference to FIG. 6, the inspection processing unit 92 performs inspection processing and determination on the reference object 21 </ b> X by a program inspection routine. The data memory 93 stores various data and also serves as a temporary storage area (a buffer that may be provided in the inspection processing unit 92) for appropriate inspection determination. Examples of the various data include information (for example, identification information) to be stored in the memory 82 for each inspection target 21X, various set values such as a communication distance required for the inspection, and the like.
[0037]
The data conversion unit 98 converts the information when transmitting information to the inspection target 21X into, for example, “1” and “0”, and the transmission data from the inspection target 21X includes, for example, “1”, “ 0 ". The modulation unit 95 converts the information converted by the data conversion unit 98 based on the transmission output from the transmission unit 96 (for example, 13.56 MHz when the system-side antenna 31 is selected), for example, by the system-side antenna 31. When selected, it is modulated into an FSK (frequency shift keying) modulated wave. The power amplifier 94 amplifies the power of the modulated wave modulated by the modulator 95, and is transmitted from the system-side antenna 31 to which the amplified modulated wave is switched. And the detection part 97 detects and demodulates the transmission radio wave from the test object 21X received with the switched system side antenna 31. FIG.
[0038]
On the other hand, the transport drive control unit 99 generates a control signal for driving the transport drive unit 73 that transports the inspection object 21X in order to sequentially inspect the inspection target 21X based on a command from the control unit 91, and causes the IF unit 101 to operate. To the conveyance drive unit 73. Further, the antenna drive control unit 100 brings the shield member 13 close to the inspection target 21X, and the communication distance of the system-side antenna 31 (32) according to the set value determined for the coil antenna 21A of the inspection target 21X. Is generated based on a command from the control unit 91 and sent to the antenna drive unit 74 via the IF unit 101.
[0039]
Here, in FIG. 6, the inspection processing unit 92 includes a processing unit 111, a reception data acquisition unit 112, a transmission data acquisition unit 113, and a determination unit 114 as functions of program processing. The processing means 111 controls the entire processing of the inspection processing unit 92. The reception data acquisition unit 112 is acquired when data transmitted from the inspection target 21X is received, and is appropriately stored in the data memory 93 (if the reception data acquisition unit 112 includes a buffer, May be temporarily stored).
[0040]
The transmission data acquisition unit 113 reads and acquires identification information or the like to be written in the memory 82 by communication from the inspection target 21X from the data memory 93. The determination unit 114 first determines pass / fail by determining whether or not a response is received from the inspection target 21X, and transmits the transmission data (transmission data read from the data memory 93) transmitted to the inspection target 21X and the inspection target 21X. Is compared with the received data transmitted in response, and if it matches, it is determined as a non-defective product, and if it does not match, it is determined as a defective product, and the transmitted data is actually written in the memory 82 of the inspection object 21X. Whether or not the communication state is good or bad by data comparison.
[0041]
FIG. 7 shows a flowchart of the inspection process in FIGS. In FIG. 9, first, the conveyance drive control unit 99 sets the drive amount for conveying the RF-ID 21 (inspection target 21 </ b> X) sequentially supplied onto the conveyance belt 12 to the inspection position based on a command from the control unit 91. To the conveyance drive unit 73 (step (S) 1). Further, the antenna drive control unit 100 controls a drive amount (Y) for positioning any one of the system-side antennas 31 and 32 mounted on the drive mechanism 14 below the inspection position according to the type of the inspection target 21X. It is generated according to the command 91 and is output to the antenna drive unit 74 (S2). At this time, the controller 91 also sets various necessary data processes according to the inspection object 21X and sets an inspection routine (S2). The necessary data processing setting is a setting corresponding to the type of the inspection target for the modulation unit 95, the transmission unit 96, and the detection unit 97 in accordance with the switching of the system-side antenna 31 by an operator input as described above. . For example, when the system-side antenna 31 is selected, the modulation / demodulation mode is switched to FSK (frequency shift keying), and the carrier frequency is switched to 13.56 MHz, for example.
[0042]
Therefore, when the position detection means 15 detects whether the RF-ID 21 to be transported has reached the transport position (S3), the control unit 91 causes the BCR 16 to read the barcode 21C formed on the inspection target 21X and perform the inspection. The target 21X is linked and temporarily stored in the data memory 93 or the like (S4). And in the antenna drive control part 100, according to the instruction | command of the control part 91, the drive amount (Y) which positions the shield member 13 and the system side antenna 31 (32) below with respect to the test object 21X of a test position, and the said test position The drive amount (Y) for positioning the shield member 13 and the system-side antenna 31 (32) at the lower center with respect to the inspection target 21X is the Y-direction drive amount of the antenna drive unit 74, and the system-side antenna 31 ( 32) is output as a Z-direction drive amount (S5), which is a distance (communication distance) determined in advance for the inspection object 21X (antenna 21A) and stored in the data memory 63 (S5).
[0043]
As described above, when the inspection object 21X is inspected in the transport movement state, the driving amount (X) for moving the X in synchronization with the transport is output as the X-direction driving amount. In addition, as described above, when the shield member 13 is driven separately from the system-side antenna 31 (32), the antenna drive unit 74 synchronizes with the system-side antenna 31 (32) to move the shield member 13 in the vertical direction. Move in (Z direction).
[0044]
Therefore, transmission data (identification information) for the inspection object is acquired from the data memory 93 and transmitted to the inspection object 21X (S6). When there is a response (transmission of reply data) from the inspection object 21X (S7), the reply data is received, and the determination unit 114 matches the transmission data and the reception data as described above ( S8). In the matching result (S9), it is determined to be a non-defective product when they match (S10), and is determined to be defective when they do not match (S11). If there is no response in S7, the inspection object 21X is determined as a defective product as a failure of the IC module 21B (S11).
[0045]
Here, when the inspection target 21X is a defective product, if the inspection target 21X is to be marked, the control unit 91 instructs the marker 17 to mark the inspection target 21X determined to be defective in S11 ( S12). Then, these determination results are stored in the data memory 93 (S13).
[0046]
Subsequently, when the next inspection target 21X is detected, S3 to S13 are repeated for the inspection target 21X and the determination result is stored in the data memory 93 (S14). Then, all the inspection objects 21X are inspected without detecting the next inspection object 21X, and when the quality is stored in the data memory 93, the inspection result is appropriately displayed on the display unit 102 (S15). ). The display of the inspection result may be performed for each inspection object 21X or for each inspection result of a predetermined number of inspection objects 21X.
[0047]
When the inspection object 21X is an electrostatic coupling type RF-ID 21 as shown in FIG. 4, the inspection object 21X is switched to the substrate 33 on which the electrodes 32A and 32B shown in FIG. In this case, in the processing system 72, the modulation unit 95 uses the data conversion unit 98 based on the transmission output of the predetermined frequency (for example, any one of 847 KHz, 424 KHz, 212 KHz, 125 KHz, etc.) switched from the transmission unit 96. The converted information is switched so as to be modulated into, for example, a PSK (Phase Shift Keying) modulated wave, and processing unique to electrostatic coupling is performed. The other configurations are basically the same as those in FIG. Further, the inspection process is the same as the flowchart shown in FIG.
[0048]
In this way, by switching the system-side antennas 31 and 32 according to the type of the RF-ID 21 to be inspected, it becomes possible to facilitate the inspection corresponding to the type of the inspection target, and in the future of the RF-ID. It is possible to easily cope with an increase in types.
[0049]
Next, FIG. 8 is an explanatory view showing another configuration example of the substrate on which the antenna of FIG. 2 is mounted. In FIG. 8A, the system side antennas 31 and 32 shown in FIG. 2 are mounted on the substrate 33A. For example, the processing system 72A is mounted on the back surface (may be the same surface as the system side antenna). It is. The cable 35 is extended from the board 33 </ b> A via the connector 121.
[0050]
As shown in FIG. 8B, the processing system 72A mounted on the substrate 33A includes a control unit 91, an inspection processing unit 92, a data memory 93, a power amplification unit 94, a modulation unit 95, a transmission unit 96, and a detection unit. 97, a data conversion unit 98, a transport drive control unit 99, an antenna drive control unit 100, an IF unit 101, and a display processing unit 122. The above components are the same as those in FIGS. 5 and 6 except for the display processing unit 122, but the modulation unit 95, the transmission unit 96, and the detection unit 97 have corresponding processing forms determined according to the system antennas 31 and 32. Therefore, setting by the control unit 91 is not performed.
[0051]
The display processing means 122 processes data for displaying the inspection result on a management computer, for example, into a display signal. The signal system connected from the IF unit 101 to the connector 121 is for the position detection means 15, BCR 16, marker 17, the conveyance drive unit 73 and the antenna drive unit 74 in FIG. 5 in addition to the display signal. Yes, the inspection process is the same as in FIG.
[0052]
As described above, the substrate 33A is prepared for each type of the RF-ID 21 of the inspection target 21X as described above. That is, by mounting the processing system 72A on the substrate 33A, the processing system 72A including the reader / writer in the inspection system can be easily adapted to each type of RF-ID 21.
[0053]
Only the transmission / reception system (reader / writer) of the antennas 31 and 32, the power amplification unit 94, the modulation unit 95, the transmission unit 96, and the detection unit 97 is mounted and mounted on the board 33A, and the configuration of other inspection processes is managed. The same applies to the construction by a computer or the like. The board on which the antennas 31 and 32 are mounted may be separated from the board on which the transmission / reception system (reader / writer) of the power amplification unit 94, the modulation unit 95, the transmission unit 96, and the detection unit 97 is mounted. In this case, only the transmission / reception system can be exchanged by using the antennas 31 and 32 in common, and the reader / writer in the inspection system can be easily exchanged for each type of RF-ID 21 as described above. It is.
[0054]
【The invention's effect】
As described above, according to the first aspect of the present invention, when the communication is performed using the RF-ID including at least the antenna and the IC module as the inspection target and the quality of the inspection target is inspected, Easily perform inspections corresponding to the type of inspection target by installing a predetermined number of system-side antennas prepared in parallel for each type and switching between them depending on the type of inspection target. And can easily cope with an increase in the type of RF-ID in the future.
[0055]
According to the invention of claim 2, by mounting the processing system or a part thereof on the substrate on which the system-side antenna is mounted or on a substrate different from this, the processing system or a part thereof corresponding to the type of inspection object can be simultaneously provided. As described above, it is possible to facilitate the inspection corresponding to the type of the inspection object, and it is possible to easily cope with the future increase in the type of RF-ID.
[0056]
According to the invention of claim 3, by interposing a shield member between the inspection object and the system side antenna, communication with the RF-ID in the vicinity of the inspection object can be avoided, and the inspection object is specified. It is possible to perform a reliable inspection.
[Brief description of the drawings]
FIG. 1 is an exploded configuration diagram of a basic configuration in an RF-ID inspection system according to the present invention.
2 is an explanatory perspective view of an antenna unit used in the inspection system of FIG. 1. FIG.
FIG. 3 is a schematic explanatory diagram showing another type of electromagnetic coupling type inspection object in the inspection object of FIG. 1;
4 is a schematic explanatory view showing an electrostatic coupling type inspection object in the inspection object of FIG. 1; FIG.
FIG. 5 is a block diagram of an RF-ID inspection system according to the present invention.
6 is a block configuration diagram of the inspection processing unit in FIG. 5;
7 is a flowchart of the inspection process in FIGS. 5 and 6. FIG.
8 is an explanatory diagram showing another configuration example of a substrate on which the antenna of FIG. 2 is mounted.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 Inspection system 13 Shield member 14 Drive mechanism 15 Position detection means 16 BCR
17 Marker 21 (21X) IC card (for inspection)
21A Coil antenna 21B IC module 21C Barcode 31, 32 System side antenna 32A, 32B Electrode 33, 33A Substrate 72, 72A Processing system

Claims (3)

  1. An RF-ID inspection system that performs communication using an RF-ID including at least an antenna and an IC module as an inspection target and inspects the quality of the inspection target,
    Conveying means for conveying the inspection object to an inspection position;
    A predetermined number of system-side antennas prepared for each type of inspection object;
    A plurality of system side antennas that communicate with the inspection object are mounted in parallel , a drive mechanism that switches the system side antenna according to the inspection object and positions the inspection object with respect to the inspection object;
    According to the type of the inspection object, the quality of the inspection object is determined, and the inspection object side is inductively coupled with the inspection object via the switched system antenna, and the inspection object side is transmitted. A processing system for determining pass / fail of the inspection target based on a response from
    An inspection system for RF-ID, comprising:
  2. 2. The RF-ID inspection system according to claim 1, wherein the processing system or a part of the processing system is mounted on a substrate on which the system-side antenna is mounted, or on a substrate different from the substrate on which the system-side antenna is mounted. An RF-ID inspection system characterized by the above.
  3. 2. The RF-ID inspection system according to claim 1, wherein the system is interposed between the inspection object and the system-side antenna in order to avoid communication with an RF-ID in the vicinity of the inspection object. An RF-ID inspection system comprising: a shield member formed with an opening that causes the system-side antenna to face the inspection target.
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