WO2010092670A1

WO2010092670A1 - Inspection program, inspection device, and inspection method

Info

Publication number: WO2010092670A1
Application number: PCT/JP2009/052239
Authority: WO
Inventors: 誠一瓜田; 栄治古川; 敦黒崎
Original assignee: 富士通株式会社
Priority date: 2009-02-10
Filing date: 2009-02-10
Publication date: 2010-08-19

Abstract

Whether or not a tag which is attached to a pack and is circulated can be utilized is correctly judged. An inspection device acquires the measurement value by measuring the data reading quality of a tag at present and acquires identification information for identifying the destination of the tag. The inspection device reads the quality reference value corresponding to the destination of the tag whose the data reading quality has been measured from a storage section for storing quality reference value for determining the utilization lives of the tags in a plurality of environments where the tags can be circulated. If the acquired measurement value satisfies the quality reference value, the inspection device determines that the tag whose data reading quality has been measured can be utilized.

Description

Inspection program, inspection apparatus, and inspection method

The present invention relates to an inspection program, an inspection apparatus, and an inspection method for inspecting whether or not an RFID tag distributed in a package can be used.

Conventionally, in logistics, RFID (Radio Frequency IDentification) tags are pasted on packages, and packages are managed based on information written on the RFID tags. For example, in an intermediate warehouse that relays a package, the package is sorted according to the package destination read from the RFID tag.

In such logistics, if the tag deteriorates during the transportation of luggage and the information written in the tag cannot be read in the intermediate warehouse, the business efficiency in the logistics business is lowered. For this reason, it is important to inspect in advance the service life of a tag that is attached to the package and distributed, in other words, whether the tag can be used before the package is distributed from the supplier to the transportation route.

As a technique related to a technique for inspecting a tag, for example, Patent Document 1 discloses a technique for inspecting whether or not an ID card can be used. Specifically, the quality of data read such as the number of retransmissions of the ID card (the number of retries) and the electric field strength is measured, and whether or not the measured value satisfies a quality standard value set in advance to determine whether or not it can be used. Whether or not an ID card can be used is determined.

JP 2007-199938 A

However, the inspection technique disclosed in Patent Document 1 has a problem that it is not possible to correctly determine whether or not a tag attached to a package can be used. That is, the deterioration speed of the tag data reading quality is affected by environmental factors such as the presence or absence of wind and rain, the presence or absence of impact, and the magnitude of temperature change. For this reason, even if the tag is determined to be usable by inspection, the tag may deteriorate during transportation depending on the destination of the tag, and information may not be read in the intermediate warehouse.

Therefore, the inspection program, the inspection apparatus, and the inspection method are made to solve the above-described problems of the conventional technology, and can correctly determine whether or not the tag attached to the package can be used. An object is to provide an inspection program, an inspection apparatus, and an inspection method.

In order to solve the above-described problems and achieve the object, the disclosed inspection program includes a measurement value acquisition procedure for acquiring a measurement value obtained by measuring a current data read quality of a tag attached to a package and distributed, The identification information acquisition procedure for acquiring the identification information for identifying the destination, and the storage unit storing the quality reference value for determining the service life of the tag at each destination, the tag for which the measurement of the data read quality is performed When the quality reference value corresponding to the destination is read and the measurement value acquired by the measurement value acquisition procedure satisfies the read quality reference value, the tag in which the data read quality is measured is used. It is a requirement that the computer execute a determination procedure for determining that it is possible.

According to the disclosed inspection program, it is possible to correctly determine whether or not a tag attached to a package can be used.

FIG. 1 is a diagram for explaining the outline of the inspection apparatus according to the first embodiment. FIG. 2 is a block diagram showing the configuration of the inspection apparatus. FIG. 3 is a diagram illustrating information stored in the reference value storage unit. FIG. 4 is a flowchart showing the flow of processing by the inspection apparatus. FIG. 5 is a diagram illustrating the configuration of the inspection apparatus according to the second embodiment. FIG. 6 is a diagram illustrating information stored in the reference value storage unit according to the second embodiment. FIG. 7 is a diagram illustrating information stored in the transport route storage unit according to the second embodiment. FIG. 8 is a diagram showing an example of information stored in the external environment factor table. FIG. 9 is a diagram for explaining the inspection apparatus according to the third embodiment. FIG. 10 is a diagram illustrating an example of information stored in the destination management table. FIG. 11 is a diagram illustrating a computer that executes an inspection program.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Inspection apparatus 10 Input part 20 Output part 30 Storage part 31 Reference value storage part 32 Transportation route storage part 40 Processing part 41 Tag installation part 42 Identification information acquisition part 43 Use availability determination part 44 Transportation route specification part 100 Computer 110 Communication control part 120 HDD (Hard diskdrive)
121 Identification information acquisition program 122 Usability determination program 123 Reference value data 130 RAM (Random Access Memory)
131 Identification information acquisition process 132 Availability determination process 140 CPU (Central Processing Unit)

Hereinafter, an embodiment of an inspection program, an inspection apparatus, and an inspection method will be described in detail with reference to the accompanying drawings.

[Outline of Inspection Apparatus According to Embodiment 1]
FIG. 1 is a diagram for explaining the outline of the inspection apparatus according to the first embodiment. The inspection apparatus according to the first embodiment is summarized to inspect whether or not the tag can be used. In particular, the inspection apparatus according to the first embodiment correctly determines whether or not a tag used for physical distribution can be used.

That is, the inspection apparatus according to the first embodiment has a DB that stores a quality reference value for determining the service life of the tag at each destination. Here, the quality reference value is, for example, a reference value for the number of retransmissions indicating the number of trials of read processing required until the reader reads data from the tag. Further, the inspection device acquires a measurement value obtained by measuring the current data read quality of the tag attached to the package and circulates, and acquires identification information for identifying the destination of the tag. Then, the inspection apparatus reads the quality standard value corresponding to the destination of the tag for which the data read quality is measured from the DB, and the acquired measurement value satisfies the quality standard value read from the DB. Determines that a tag for which a data read quality measurement has been made is available.

For example, as shown in FIG. 1, the inspection apparatus repeatedly executes a read process for reading identification information for identifying a destination from a tag, and measures the number of retransmissions. Next, the inspection apparatus reads the reference value of the number of retransmissions corresponding to the identification information read from the tag from the DB and compares it with the measured number of retransmissions. Here, when the measured value of the number of retransmissions is equal to or smaller than the reference value of the number of retransmissions, the inspection apparatus determines that the tag to be inspected can be used. On the other hand, when the measured value of the number of retransmissions exceeds the reference value for the number of retransmissions, the inspection apparatus determines that the tag to be inspected cannot be used.

For this reason, the inspection apparatus according to the first embodiment can correctly determine whether or not a tag used for physical distribution can be used. And the inspection apparatus which concerns on Example 1 can prevent the fall of the business efficiency in physical distribution business as a result of preventing the tag from which information cannot be read in an intermediate warehouse being used for physical distribution.

[Configuration of inspection equipment]
FIG. 2 is a block diagram illustrating a configuration of the inspection apparatus. As illustrated in FIG. 2, the inspection apparatus 1 includes an input unit 10, an output unit 20, a storage unit 30, and a processing unit 40.

Of these, the input unit 10 accepts input of various types of information. Specifically, the input unit 10 includes a reader for reading information from the tag, and reads and inputs identification information from the tag. The output unit 20 outputs various information. Specifically, the output unit 20 includes a monitor (or a display, a touch panel) and a speaker, and outputs, for example, a message indicating that the tag to be inspected cannot be used.

The storage unit 30 stores data and programs necessary for various processes by the processing unit 40. Specifically, the storage unit 30 includes a reference value storage unit 31.

FIG. 3 is a diagram showing information stored in the reference value storage unit. The reference value storage unit 31 stores, for each tag destination, a quality reference value for determining the service life of the tag at each destination. Specifically, as shown in FIG. 3A, the reference value storage unit 31 is a quality reference value for determining whether or not a tag can be used for physical distribution in the environment at the time of tag inspection. Is stored in the reference value table. Further, as shown in FIGS. 3B to 3D, the reference value storage unit 31 determines, for each identification information, whether or not the tag can be used for physical distribution in the environment of the tag destination. A reference value table in which quality reference values are stored is stored.

Each reference value table stores a reference value for reading distance, a reference value for the number of retransmissions, and a reference value for electric field strength, as shown in FIG. Here, the reading distance is the longest distance between the reader and the tag from which the reader can read information from the tag. The electric field strength is the strength of the radio wave returned from the tag to the reader.

The processing unit 40 includes a tag installation unit 41 for installing a tag, an identification information acquisition unit 42, and an availability determination unit 43.

The identification information acquisition unit 42 acquires identification information for identifying the destination of the tag from the tag installed in the tag installation unit 41. Further, the identification information acquisition unit 42 acquires a measurement value obtained by measuring the current data read quality of the tag attached to the package and distributed. Specifically, when the inspection target tag is installed in the tag installation unit 41, the identification information acquisition unit 42 repeatedly transmits a radio wave to the inspection target tag. And the identification information acquisition part 42 acquires the identification information which identifies the destination of a package from the radio wave returned from the tag to be examined. Here, the identification information acquisition unit 42 measures the number of transmissions of radio waves transmitted from the start of transmission of radio waves to the tag to be inspected until the identification information can be acquired as the number of retransmissions.

Further, the identification information acquisition unit 42 starts the position away from the inspection target tag by a predetermined distance, gradually moves the reader away from the inspection target tag to a position where the identification information cannot be read, and reads the reading distance. Measure. Further, the identification information acquisition unit 42 measures the strength of the radio wave returned from the inspection target tag as the electric field strength. The identification information acquisition unit 42 is also referred to as a measurement value acquisition unit.

The identification information for identifying the destination of the tag has been described by using an example of acquiring the identification information from the tag installed in the tag setting unit 41. However, the identification information for identifying the destination can be obtained from the barcode of the slip attached to the package. You may make it acquire by other methods, such as reading by using a barcode reader, or manual input.

The availability determination unit 43 reads the quality reference value corresponding to the destination of the tag whose data read quality is measured from the reference value storage unit 31, and the measurement value acquired by the identification information acquisition unit 42 is read. If the quality reference value is satisfied, it is determined that the tag for which the data read quality measurement has been performed is usable.

Specifically, the availability determination unit 43 reads the reference value of the reading distance, the number of retransmissions, and the electric field strength from the reference value table in the environment at the time of tag inspection stored in the reference value storage unit 31. Subsequently, the availability determination unit 43 compares the measured values of the reading distance, the number of retransmissions, and the electric field strength measured by the identification information acquisition unit 42 with the reference values of the reading distance, the number of retransmissions, and the electric field strength, respectively.

Here, the availability determination unit 43 determines that the inspection target tag cannot be used when any one of the measurement values does not satisfy the reference value, and the inspection target tag is used. A message indicating that it cannot be output to the output unit 20. In other words, when the reading distance measurement value is less than or equal to the reading distance reference value, the retransmission count measurement value is greater than or equal to the retransmission count reference value, or the electric field strength measurement value is less than or equal to the electric field strength reference value. The availability determination unit 43 outputs a message indicating that the inspection target tag cannot be used in all environments.

On the other hand, the availability determination unit 43 is acquired by the identification information acquisition unit 42 when all the measurement values satisfy each reference value read from the reference value table under the environment at the time of tag inspection. It is determined whether the destination environment identified by the identification information matches the environment at the time of tag inspection.

Here, when it is determined that they match, the availability determination unit 43 outputs a message to the output unit 20 indicating that the inspection target tag can be used. On the other hand, if the availability determination unit 43 determines that they do not match, the read distance corresponding to the identification information acquired from the reference value table stored in the reference value storage unit 31 by the identification information acquisition unit 42, the retransmission Read the reference number of times and field strength.

Subsequently, the availability determination unit 43 compares the measured values of the reading distance, the number of retransmissions, and the electric field strength measured by the identification information acquisition unit 42 with the reference values of the reading distance, the number of retransmissions, and the electric field strength, respectively.

Here, when there is a measurement value that does not satisfy the reference value among the measurement values, the availability determination unit 43 determines that the tag to be inspected cannot be used, and The message indicating that the inspection target tag cannot be used is output to the output unit 20. On the other hand, the availability determination unit 43 indicates that the inspection target tag can be used when all measured values satisfy each reference value read from the reference value table corresponding to the identification information. Is output to the output unit 20.

[Processing by inspection equipment]
FIG. 4 is a flowchart showing the flow of processing by the inspection apparatus. As shown in FIG. 4, when a tag to be inspected is installed in the tag installing unit 41 (Yes in step S101), the identification information acquiring unit 42 acquires identification information from the tag to be inspected, as well as reading distance and retransmission. The number of times and the electric field strength are measured (step S102).

Subsequently, the availability determination unit 43 reads the reference value of the reading distance, the number of retransmissions, and the electric field strength from the reference value table under the environment at the time of tag inspection (step S103), and the reading distance measured by the identification information acquisition unit 42 The number of retransmissions and the measured electric field strength are compared (step S104).

Here, when there is a measured value that does not satisfy the reference value among the measured values (Yes at Step S104), the availability determination unit 43 displays a message indicating that the inspection target tag cannot be used. Output (step S105).

On the other hand, when all the measured values satisfy each reference value read from the reference value table under the environment at the time of tag inspection (No at Step S104), the availability determination unit 43 uses the identification information. It is determined whether the identified destination environment matches the environment at the time of tag inspection (step S106).

Here, when it is determined that they match (Yes at Step S106), the availability determination unit 43 outputs a message indicating that the inspection target tag can be used (Step S107).

On the other hand, when it is determined that they do not match (No at Step S106), the availability determination unit 43 reads the reference value of the reading distance, the number of retransmissions, and the electric field strength from the reference value table corresponding to the identification information (Step S108). .

Subsequently, the availability determination unit 43 compares the reading distance, the number of retransmissions, and the measured electric field strength measured by the identification information acquisition unit 42 (step S109).

Here, when there is a measured value that does not satisfy the reference value among the measured values (Yes in step S109), the availability determination unit 43 displays a message indicating that the inspection target tag cannot be used. Output (step S105).

On the other hand, if all measured values satisfy each reference value read from the reference value table corresponding to the identification information (No at Step S109), a message indicating that the tag to be inspected can be used is output. (Step S107).

[Effect of Example 1]
As described above, according to the first embodiment, it is possible to correctly determine whether or not a tag used for physical distribution can be used. For example, according to the first embodiment, whether or not the tag can be used is determined based on the reading distance according to the tag destination, the number of retransmissions, and the reference value of the electric field strength. it can. In addition, according to the first embodiment, it is possible to prevent a tag that cannot read information during transportation from being used in logistics, and thus it is possible to prevent a reduction in business efficiency in logistics business.

FIG. 5 is a diagram illustrating the configuration of the inspection apparatus according to the second embodiment. As shown in FIG. 5, the inspection apparatus 1 according to the second embodiment further includes a transport route storage unit 32 and a transport route specifying unit 44, and differs from the first embodiment in the points described below.

FIG. 6 is a diagram illustrating information stored in the reference value storage unit according to the second embodiment. The reference value storage unit 31 stores the quality reference value in association with the identification information for identifying the tag destination (see FIG. 3), and identifies the transportation route identification information for identifying the transportation route and the warehouse where the tag can be distributed. The quality standard value is stored in association with the warehouse identification information (see FIG. 6).

FIG. 7 is a diagram illustrating information stored in the transport route storage unit according to the second embodiment. As shown in FIG. 7, the transport route storage unit 32 associates the transport route identification information for identifying the transport route through which the tag passes, and the warehouse intermediate warehouse through which the tag passes, in association with the identification information for identifying the destination of the tag. Identification information for identification is stored. For example, the information stored in the transport route storage unit 32 is obtained after a tag shipped to the country A assembly plant is transported from the supplier to the intermediate warehouse D via the transport route D and sorted in the intermediate warehouse D. , It means reaching the country A assembly plant via the transport route F.

The transport route specifying unit 44 reads the quality standard value corresponding to the distribution route through which the tag can be distributed and the quality standard value corresponding to the warehouse through which the tag can be distributed from the standard value storage unit 31. Specifically, the transport route specifying unit 44 reads transport route identification information corresponding to the identification information acquired by the identification information acquiring unit 42 from the transport route storage unit 32 and warehouse identification information.

The availability determination unit 43 determines that the tag whose data read quality is measured can be used only when the measurement value acquired by the identification information acquisition unit 42 satisfies all the read quality reference values. To do. Specifically, the availability determination unit 43 correlates with the transport route identification information and the warehouse identification information acquired by the transport route specifying unit 44, and stores the read distance, the number of retransmissions, and the number of retransmissions stored in the transport route storage unit 32. Read out all reference values for field strength.

Subsequently, the availability determination unit 43 compares the measured values of the reading distance, the number of retransmissions, and the electric field strength measured by the identification information acquisition unit 42 with the reference values of the reading distance, the number of retransmissions, and the electric field strength, respectively. Then, the availability determining unit 43 determines that the tag to be inspected cannot be used when there is a measured value that does not satisfy the reference value among the measured values.

For this reason, according to the second embodiment, whether or not the tag can be used is determined for each transport route and warehouse in which the tag can circulate, so it is possible to determine whether or not the tag can be used more accurately. .

Hereinafter, other embodiments of the inspection program, the inspection apparatus, and the inspection method will be described.

(1) External environmental influence factor table The quality standard values are the destination of the tag, the transport route through which the tag passes, the intermediate warehouse, the temperature of the place where the tag is inspected, the humidity, the strength of static electricity, the presence of radio wave interference, the presence of dust. Can be changed as appropriate. For example, as shown in FIG. 8, the inspection apparatus 1 further includes an external environment influence factor table that stores temperature and the like for each transport route and intermediate warehouse through which the tag passes, and a weighting factor arbitrarily set by the user. Each quality standard value is set based on this. In addition, as shown in FIG. 9, the adhesive material that is the material of the baggage, the reading effective angle that is the angle when the reader reads information from the tag, the material of the reflector that reflects radio waves, the useful life of the tag, etc. The quality reference value may be set in consideration. FIG. 8 is a diagram showing an example of information stored in the external environment factor table. FIG. 9 is a diagram for explaining the inspection apparatus according to the third embodiment.

(2) Identification information Identification information for identifying a destination of a tag is input by the user into the inspection apparatus 1 so that, for example, when a large number of tags distributed to the same destination are inspected, the identification information is read from the tag every time. This eliminates the need for it, and it is possible to efficiently determine whether or not a tag used for logistics can be used. Further, as shown in FIG. 10, the inspection apparatus 1 further includes a destination management table in which a destination code indicating the destination of the tag is stored in association with the management code, and corresponds to the management code read from the tag. A destination code (identification information) may be acquired. FIG. 10 is a diagram illustrating an example of information stored in the destination management table.

(3) Where to inspect tags In addition to pre-distribution from the supplier to the transportation route, tags may be inspected during the transportation of packages, or inspected again at the intermediate warehouse through which the tags pass. It may be.

(4) Device Configuration For example, each component of the inspection device 1 shown in FIG. 2 is functionally conceptual and does not necessarily need to be physically configured as illustrated. In other words, the specific form of distribution / integration of the inspection apparatus 1 is not limited to the illustrated one, and for example, the identification information acquisition unit 42 and the availability determination unit 43 are integrated. In this way, all or a part of the inspection apparatus 1 can be configured to be functionally or physically distributed and integrated in arbitrary units according to various loads and usage conditions. Furthermore, the processing function (see FIG. 4) performed in the inspection apparatus 1 is realized in whole or in part by a CPU and a program that is analyzed and executed by the CPU, or hardware by wired logic. Can be realized as

(5) Inspection program Various processes (see FIG. 4) of the inspection apparatus 1 described in the above embodiment are realized by executing a program prepared in advance on a computer system such as a personal computer or a workstation. be able to. In the following, an example of a computer that executes an inspection program having the same function as that of the above embodiment will be described with reference to FIG. FIG. 11 is a diagram illustrating a computer that executes an inspection program.

The communication control unit 110 controls communication related to various types of information exchanged with other devices. The HDD 120 stores information necessary for the CPU 140 to execute various processes. The RAM 130 temporarily stores various information. The CPU 140 executes various arithmetic processes.

As shown in FIG. 11, the HDD 120 has an identification information acquisition program 121, an availability determination program 122, and reference value data 123 that exhibit the same functions as the processing units of the inspection apparatus 1 shown in the above embodiment. Is stored in advance. Note that the identification information acquisition program 121 and the availability determination program 122 may be appropriately distributed and stored in a storage unit of another computer that is communicably connected via a network.

Then, the CPU 140 reads out the identification information acquisition program 121 and the availability determination program 122 from the HDD 120 and expands them in the RAM 130, so that the identification information acquisition program 121 becomes an identification information acquisition process 131 as shown in FIG. The availability determination program 122 functions as the availability determination process 132.

That is, the availability determination process 132 reads the reference value data 123 and the like from the HDD 120, expands them in an area allocated to itself in the RAM 130, and executes various processes based on the expanded data and the like. The identification information acquisition process 131 and the availability determination process 132 correspond to the processes executed in the processing unit 40 of the inspection apparatus 1 shown in FIG.

Note that the identification information acquisition program 121 and the availability determination program 122 described above are not necessarily stored in the HDD 120 from the beginning. For example, each program is stored in a computer-readable storage medium such as a flexible disk (FD), a CD-ROM, a DVD disk, a magneto-optical disk, and an IC card inserted into the computer 100. The program may be read and executed. Alternatively, each program is stored in “another computer (or server)” connected to the computer 100 via a communication line such as a public line, the Internet, a LAN, or a WAN, and the computer 100 uses these communication lines. Each program may be read out from “another computer (or server)” and executed.

(6) Inspection Method The following inspection method is realized by the inspection apparatus 1 described in the above embodiment. That is, a measurement value acquisition step (see step S102 in FIG. 4) for acquiring a measurement value obtained by measuring the current data read quality of the tag attached to the package and the identification information for identifying the destination of the tag is acquired. The identification information acquisition step (see step S102 in FIG. 4) and the destination of the tag for which the measurement of the data read quality is performed from the storage unit storing the quality reference value for determining the service life of the tag at each destination If the measurement value acquired by the measurement value acquisition step satisfies the read quality reference value, the tag that has been measured for the data read quality can be used. An inspection method including a determination step (see step S109 in FIG. 4) for determining that is is realized.

Claims

A measurement value acquisition procedure for acquiring a measurement value obtained by measuring the current data read quality of the tag attached to the package and distributed;
An identification information acquisition procedure for acquiring identification information for identifying the destination of the tag;
Acquire the measured value by reading the quality reference value corresponding to the destination of the tag for which the measurement of the data read quality is performed from the storage unit that stores the quality reference value for determining the service life of the tag at each destination If the measurement value obtained by the procedure satisfies the read quality standard value, the computer executes a determination procedure for determining that the tag for which the data read quality measurement has been performed is usable. Inspection program characterized by
The measurement value acquisition procedure includes a measurement value of the number of trials of read processing required until the reader reads data from the tag, and a measurement value of the longest distance between the reader and the tag from which the reader can read information from the tag. , And the intensity of the radio wave returned from the tag to the reader is acquired as a measurement value obtained by measuring the data read quality,
The determination procedure can use the tag on which the measurement of the data read quality is performed only when all the measurement values acquired by the measurement value acquisition procedure satisfy the read quality reference value. The inspection program according to claim 1, wherein the inspection program is determined.
Transportation that acquires transportation route identification information corresponding to the identification information acquired by the identification information acquisition procedure from a storage unit that stores transportation route identification information that identifies a transportation route through which the tag passes in association with the identification information. Let the computer further execute the route identification information acquisition procedure,
The determination procedure corresponds to the transport route identification information acquired by the transport route identification information acquisition procedure from the second storage unit that stores the quality reference value for determining the service life of the tag in each transport route. When the quality reference value is read and the measurement value acquired by the measurement value acquisition procedure satisfies the read quality reference value, the tag on which the data read quality is measured can be used. The inspection program according to claim 1, wherein the inspection program is determined.
In the determination procedure, the measurement value acquired by the measurement value acquisition procedure satisfies the read quality reference value, and the quality standard corresponding to the transport route identification information acquired by the transport route identification information acquisition procedure 4. The inspection program according to claim 3, wherein it is determined that the tag for which the measurement of the data read quality is performed is usable only when the value is satisfied.
A storage unit for storing a quality reference value for determining the service life of the tag at each destination;
A measurement value acquisition unit for acquiring a measurement value obtained by measuring the current data read quality of the tag attached to the package and distributed;
An identification information acquisition unit for acquiring identification information for identifying the destination of the tag;
The quality reference value corresponding to the destination of the tag for which the measurement of the data read quality is performed is read from the storage unit, and the measurement value acquired by the measurement value acquisition procedure satisfies the read quality reference value In this case, the inspection apparatus includes: a determination unit that determines that the tag for which the data reading quality is measured is usable.
A measurement value acquisition step for acquiring a measurement value obtained by measuring the current data read quality of the tag attached to the package and distributed;
An identification information acquisition step of acquiring identification information for identifying the destination of the tag;
Acquire the measured value by reading the quality reference value corresponding to the destination of the tag for which the measurement of the data read quality is performed from the storage unit that stores the quality reference value for determining the service life of the tag at each destination A determination step of determining that the tag for which the measurement of the data read quality has been performed is usable when the measurement value acquired by the step satisfies the read quality reference value, Inspection method to do.