WO2006106579A1 - リーダライタ装置、リーダライタ制御方法およびリーダライタ制御プログラム - Google Patents
リーダライタ装置、リーダライタ制御方法およびリーダライタ制御プログラム Download PDFInfo
- Publication number
- WO2006106579A1 WO2006106579A1 PCT/JP2005/006330 JP2005006330W WO2006106579A1 WO 2006106579 A1 WO2006106579 A1 WO 2006106579A1 JP 2005006330 W JP2005006330 W JP 2005006330W WO 2006106579 A1 WO2006106579 A1 WO 2006106579A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tag
- radio wave
- reader
- access
- writer
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000006854 communication Effects 0.000 claims abstract description 99
- 238000004891 communication Methods 0.000 claims abstract description 98
- 238000010586 diagram Methods 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0712—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of triggering distinct operating modes or functions dependent on the strength of an energy or interrogation field in the proximity of the record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- Reader / writer apparatus Reader / writer control method, and reader / writer control program
- the present invention relates to a reader / writer device that outputs radio waves to an IC tag storing identification information for identifying the IC tag and accesses the IC tag.
- the present invention relates to a reader / writer device and a reader / writer control method capable of efficiently adjusting a radio wave output intensity so as to be a radio wave reachable area accessible to an IC tag.
- non-contact RFID (Radio Frequency Identification) tags (hereinafter simply referred to as “IC tags”) are installed at various positions, and an IC tag administrator uses a reader / writer to mark the IC tags. Access and read / write data.
- RFID tags Radio Frequency Identification
- Patent Document 1 evaluates the communication radio wave output from the Veg reader / writer that reduces the burden on the user, and allows the reader / writer to read and write accurately with respect to the IC tag. The technology for judging
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-339418
- the conventional technology has a problem that the reachable range of communication radio waves that can access the IC tag cannot be adjusted efficiently.
- Patent Document 1 evaluates communication radio waves output from a reader / writer set to a predetermined radio wave output intensity in advance, and notifies the user of the optimal location of accessible IC tags. This is because it is not set to the accessible radio wave reachable area desired by the administrator. That is, it is an extremely important issue to efficiently adjust the radio wave output intensity so that the radio wave reachable area accessible to the IC tag becomes an area desired by the user.
- the present invention has been made in view of the above, and a reader / writer device capable of efficiently adjusting the radio wave output intensity so as to be a radio wave reachable area accessible to the IC tag desired by the user, It is an object to provide a reader / writer control method and a reader / writer control program.
- the present invention outputs a radio wave to an IC tag storing identification information for identifying the IC tag and accesses the IC tag A reader / writer device, wherein access information storage means for storing access information related to whether or not access to the IC tag is possible, identification information is read from the IC tag, and based on the identification information and the access information, Radio wave intensity setting means for setting the intensity of communication radio waves for communication with the IC tag.
- the radio wave intensity setting unit may be configured to transmit a communication radio wave when the IC tag that should be accessible is inaccessible based on the access information.
- the strength is set to be stronger than the original strength, and when access to an IC tag that should be made inaccessible is possible, the strength of the communication radio wave is set to be weaker than the original strength.
- the access information includes the identification information and information indicating whether or not data reading to an IC tag corresponding to the identification information is enabled, and Based on the access information, the setting means sets the strength of the communication radio wave to be stronger than the original strength when the IC tag that should be readable cannot be read. If the IC tag can be read, the communication radio wave intensity is set to be weaker than the original intensity.
- the access information includes the identification information and information on whether or not the data can be written to an IC tag corresponding to the identification information.
- the radio wave intensity setting means should be writable based on the access information.
- the strength of the communication radio wave should be the original strength. If it is possible to write to an IC tag that should not be writable, the communication radio wave intensity is set to be weaker than the original intensity.
- the present invention is characterized in that, in the above-mentioned invention, the radio wave intensity setting means adjusts the accuracy related to the intensity of the communication radio wave.
- the IC tag it is determined whether or not the IC tag can be accessed, and if access is possible, the IC tag is notified that access is possible. It further comprises a status notification means.
- the present invention is characterized in that, in the above-mentioned invention, the radio wave intensity setting means further changes an antenna characteristic based on the identification information and the access information.
- the present invention is also a reader / writer control method for controlling a reader / writer that outputs radio waves to an IC tag storing identification information for identifying the IC tag and accesses the IC tag.
- An access information storage step for storing access information related to whether or not the IC tag can be accessed in a storage unit, reading identification information from the IC tag, and based on the identification information and the access information,
- a radio wave intensity setting step for setting the intensity of communication radio waves for communication with the IC tag.
- the strength of the communication radio wave is set to be weaker than the original strength.
- the access information includes the identification information and information indicating whether or not data reading to an IC tag corresponding to the identification information is enabled, and
- the communication radio wave strength is set to be stronger than the original strength and the reading is impossible. If the IC tag can be read, the communication radio wave intensity is set to be weaker than the original intensity.
- the access information includes the identification information and information indicating whether or not the data can be written to an IC tag corresponding to the identification information.
- the radio wave intensity setting step should be writable based on the access information.
- the communication radio wave intensity is set to be stronger than the original strength, and if writing is possible to the IC tag that should not be writable, The communication radio wave intensity is set to be weaker than the original intensity.
- the present invention is characterized in that, in the above-mentioned invention, the radio wave intensity setting step adjusts the accuracy related to the intensity of the communication radio wave.
- the IC tag it is determined whether or not the IC tag can be accessed, and if access is possible, the IC tag is notified that access is possible. It further includes a situation notification step.
- the present invention is characterized in that, in the above invention, the radio wave intensity setting step further changes antenna characteristics based on the identification information and the access information.
- the present invention provides a reader / writer control program that outputs a radio wave to an IC tag storing identification information for identifying the IC tag and controls a reader / writer that accesses the IC tag.
- An access information storage procedure for storing access information related to whether or not the IC tag can be accessed in the storage unit, and reading the identification information from the IC tag, and based on the identification information and the access information, It is characterized by causing a computer to execute a radio wave intensity setting procedure for setting the intensity of a communication radio wave that communicates with a tag.
- the radio wave intensity setting procedure is based on the access information, and when the IC tag that should be accessible is inaccessible, The strength is set to be stronger than the original strength, and when access to an IC tag that should be made inaccessible is possible, the strength of the communication radio wave is set to be weaker than the original strength.
- the access information includes the identification information and information indicating whether or not data reading to an IC tag corresponding to the identification information is enabled, and In the setting procedure, if it is impossible to read an IC tag that should be readable based on the access information, the strength of the communication radio wave is set higher than the original strength, and If the IC tag can be read, the communication radio wave intensity is set to be weaker than the original intensity.
- the access information includes the identification information and information on whether or not it is possible to write data to an IC tag corresponding to the identification information.
- the procedure is to set the communication radio wave intensity stronger than the original intensity and In the case where data can be written to an IC tag to be formed, the strength of the communication radio wave is set to be weaker than the original strength.
- the present invention is characterized in that, in the above-mentioned invention, the radio wave intensity setting procedure adjusts the accuracy related to the intensity of the communication radio wave.
- the present invention is characterized in that, in the above invention, the radio wave intensity setting procedure further changes an antenna characteristic based on the identification information and the access information.
- the access information related to whether or not the IC tag can be accessed is stored, and the IC tag reader reads the identification information for identifying the IC tag, and based on the read identification information and the access information.
- the radio wave output intensity can be adjusted efficiently so that the radio wave reachable area is accessible to the IC tag desired by the user.
- FIG. 1 is an explanatory diagram for explaining the concept of communication radio wave intensity adjustment that is useful in this embodiment.
- FIG. 2 is a functional block diagram showing a configuration of a reader / writer according to the present embodiment.
- FIG. 3 is a diagram showing an example of an access condition table.
- FIG. 4 is a diagram showing an example of an access error management table.
- FIG. 5 is a flowchart showing a process in which the reader / writer who works on the present embodiment sets the communication radio wave intensity.
- FIG. 6 is a diagram illustrating an example of an access condition table set as
- FIG. 7 is an explanatory diagram for explaining an antenna characteristic applied to the reader / writer.
- FIG. 8 is an explanatory diagram for explaining the case where the communication radio wave intensity is set using two reader / writers.
- FIG. 9 is a diagram showing an example of information displayed on each IC tag.
- the communication radio wave is the radio wave output for the reader / writer to communicate with the IC (Integrated Circuit) tag.
- FIG. 1 is an explanatory diagram for explaining the concept of communication radio wave intensity adjustment that is useful in this embodiment.
- the reader / writer 100 preliminarily identifies the ID (Identification) of each of the IC tags 1 to 7 and the access conditions of the IC tag corresponding to the ID (whether or not the IC tag can be read). Force condition).
- the reader / writer 100 sets the IC tags 1 to 3 as readable as access conditions and sets the tags 4 to 6 as unreadable as access conditions. Then, the communication radio wave intensity is set to a predetermined value, an ID of an IC tag that can be read by the set communication radio wave intensity is acquired, and it is determined whether or not the acquired ID matches the access condition.
- the acquired ID matches the access condition, that is, when the acquired ID is the ID of tags 1 to 3, the set communication radio wave intensity is retained and the acquired ID matches the access condition. If not, adjust the communication signal strength.
- the acquired ID is an ID of IC tags 1 to 6, it is considered that the communication radio wave intensity is too strong, so the communication radio wave intensity is set to be weaker than the original intensity, and the acquired ID is IC In the case of Tag 1 ID, the communication radio wave intensity is considered weak, so the communication radio wave intensity is set to be weaker than the original strength.
- the reader / writer 100 sets the communication radio wave intensity based on the tag ID read from each IC tag 1 to 6 and the access condition.
- the accessible area for the desired IC tag can be set efficiently.
- FIG. 2 is a functional block diagram showing the configuration of the reader / writer 100 that is useful in this embodiment.
- the reader / writer 100 includes an antenna 110, a radio wave interface unit 120, a writing and reading processing unit 130, an interface unit 140, a registration processing unit 150, a storage unit 160, and a determination processing unit. 170 and a radio wave intensity setting processing unit 180.
- the radio wave interface unit 120 is a processing unit that transmits communication radio waves to the IC tag using the antenna 110, and the writing and reading processing unit 130 is connected to the host computer (not shown) via the interface unit 140.
- This is a processing unit that writes or reads data to or from an IC tag when a request for writing or reading is received.
- the interface unit 140 is a processing unit that communicates with the host computer using a predetermined communication protocol.
- the registration processing unit 150 works on the access condition table 160b stored in the storage unit 160. It is a processing unit for registering data.
- FIG. 3 is a diagram showing an example of the access condition table 160b.
- the access condition table 160b is composed of "tag ID” and "access condition”. Specifically, the access condition for tag ID “1” is “Readable (Readable)”, the access condition for tag ID “2” is “Readable”, and the access condition for tag ID “3”. Is “ready”.
- the registration processing unit 150 acquires the data related to the above-described access condition table 160b by the host computer through the interface unit 140. Also, the registration processing unit 150 notifies the data registered in the access condition table 160b to the host computer, and displays the data registered in the access condition table 160b on the display of the host computer.
- the determination processing unit 170 acquires the ID of each IC tag that can be acquired according to the communication radio wave intensity set by the radio wave interface unit 120, and the acquired ID (hereinafter referred to as the read ID) is accessed in the access condition table 160b. It is a processing unit that determines whether or not the force matches the condition.
- the determination processing unit 170 requests the radio wave intensity setting unit 180 to change the radio wave intensity. Specifically, the judgment processing unit 170 compares the read ID with the access condition table 160b, and the tag ID that should be readable (in the example of FIG. 3, the tag ID that should be readable is 1, 2, 3). ) Is not included (for example, when the read ID is only 1 or 2), the signal strength setting processing unit 180 is notified that the communication signal strength is to be increased.
- the determination processing unit 170 compares the read ID with the access condition table 160b, and the ID that should be unreadable to the read ID (in the example of FIG. 3, the tag ID that should not be read is 4, 5, 6) (for example, when the reading ID is 1, 2, 3, 4, 5, 6), the signal strength setting processing unit 180 indicates that the communication signal strength is weakened. Notify [0049] In addition, the determination processing unit 170 compares the read ID with the access condition table 160b, and if the access conditions for the read ID match, the determination unit 170 sets the currently set communication radio wave intensity. Information acquired from the processing unit 180 and related to the acquired communication radio wave intensity (hereinafter referred to as radio wave intensity information) is stored.
- radio wave intensity information Information acquired from the processing unit 180 and related to the acquired communication radio wave intensity
- the determination processing unit 170 accesses each IC tag under the communication radio wave intensity satisfying the access condition, and counts the number of access errors for the IC tag (for example, access error per unit). And an access error management table 160a indicating the relationship between the radio wave intensity information and the number of access errors for the IC tag.
- FIG. 4 is a diagram illustrating an example of the access error management table 160a. As shown in the figure, this access error management table 160a includes “radio wave intensity (radio wave intensity information)” and “number of tag access errors”.
- the tag access error count for the radio wave strength “12” is “40”
- the tag access error count for the radio wave strength “14” is “6”
- the tag access error count for the radio wave strength “18”. Is “2”
- the number of tag access errors for radio field strength “20” is “4”.
- the determination processing unit 170 identifies the radio field intensity with the smallest number of tag access errors, and identifies the specified radio field intensity information (hereinafter, specific radio field intensity information).
- the strength setting processing unit 180 is notified.
- the radio wave intensity setting processing unit 180 is a processing unit that sets the communication radio wave intensity set in the radio wave interface unit 120 based on information acquired from the determination processing unit 170. Specifically, when the radio wave intensity setting processing unit 180 receives a notification from the determination processing unit 170 to weaken the communication radio wave intensity, the radio wave intensity setting processing unit 180 weakens the communication radio wave intensity set in the radio wave interface unit 120 by a predetermined value. Set.
- the radio wave intensity setting processing unit 180 When the radio wave intensity setting processing unit 180 receives a notification from the determination processing unit 170 to increase the communication radio wave intensity, the radio wave intensity setting processing unit 180 increases the communication radio wave intensity set in the radio wave interface unit by a predetermined value. Set.
- the radio field strength setting processing unit 180 determines in advance the accuracy of the communication radio field strength to be adjusted (IC Power to change the distance of communication radio waves that can be accessed in 1cm units, whether to change in 3cm units, or in 5cm units). In other words, the radio field strength setting processing unit 180 adjusts the communication radio field strength in a precise manner when adjusting the communication radio field intensity accurately depending on the use conditions, and performs a communication process when adjusting the communication radio field strength quickly. As a result, the radio wave intensity is roughly adjusted, and the work efficiency for the user can be improved.
- the radio wave intensity setting processing unit 180 obtains a notification request for the radio wave intensity information from the determination processing unit 170, the radio wave intensity setting processing unit 180 determines the communication radio wave intensity currently set in the radio wave interface unit 120. Notify 170.
- the specific radio wave intensity information is acquired from the determination processing unit 170, the communication radio wave intensity of the radio wave interface unit 120 is set to the radio wave intensity corresponding to the specific radio wave intensity information.
- FIG. 5 is a flowchart showing processing for setting the communication radio wave intensity by the reader / writer 100 according to the present embodiment.
- the reader / writer 100 obtains a tag ID that can be read by the determination processing unit 170 based on the communication radio wave intensity currently set in the radio wave interface unit 120 (step S101). Then, based on the access condition table 160b, it is determined whether or not it matches the access condition (step S102).
- the determination processing unit 170 If the access condition is met (step S103, Yes), the determination processing unit 170 generates an access error management table (step S104), and identifies the radio field intensity with the least number of errors for tag access. (Step S105), the determination processing unit 170 notifies the specific radio field strength information to the radio field strength setting processing unit 180, and the radio field strength setting processing unit 180 sets the radio field strength (Step S106).
- the determination processing unit 170 requests the radio field strength setting processing unit 180 to change the radio field strength, and the radio field strength setting process.
- Unit 180 changes the communication radio field intensity of radio interface unit 120 (step S107), and proceeds to step S101.
- the determination processing unit 170 determines whether or not the access condition is satisfied based on the read ID and the access condition table 160b, and the radio wave intensity setting processing unit 180 determines whether or not the access condition is satisfied. Since the communication radio wave intensity is set according to the determination result of the processing unit 170, the accessible distance to the IC tag desired by the user can be set efficiently.
- the determination processing unit 170 acquires the read ID as well as the IC tag power accessible by the communication radio wave intensity set at the present time. Based on the read ID and the access condition data table 160b, it is determined whether or not the force satisfies the access condition, and the determination result is notified to the radio wave intensity setting processing unit 180.
- the radio wave intensity setting processing unit 180 sets the communication radio wave intensity of the radio wave interface unit according to the determination result of the determination processing unit 170, so that the burden on the user is reduced and the IC tag desired by the user is set.
- the accessible distance can be set quickly and efficiently.
- FIG. 6 is a diagram showing an example of an access condition table in which ID acquisition is possible Z is impossible, read is possible Z is not possible, and write is possible Z is not possible. As shown in the figure, this access condition table includes “tag ID”, “read condition”, “write condition”, and “ID acquisition condition”.
- the read condition is “Readable”
- the write condition is “Writable”
- the ID acquisition condition is “ID Available”.
- the description of the tag ID “2-6” is omitted.
- the determination processing unit 170 disables the write condition from FIG. 6 when reading, writing and ID acquisition are possible for the IC tag corresponding to the tag ID “3”. Therefore, the signal strength setting processing unit 180 is notified that the communication signal strength will be weakened.
- access is made based on the read ID and the access condition table 160b. If the access condition is not satisfied, whether or not the condition is satisfied is determined, only the communication radio wave intensity is adjusted.
- the present invention is not limited to this. May be changed to satisfy the access condition.
- FIG. 7 is an explanatory diagram for explaining the antenna characteristics of the reader / writer. As shown in the figure, there are circularly polarized waves and vertically polarized waves as typical antenna characteristics. In this way, more ideal tag access can be performed by including the antenna characteristics in addition to the communication field intensity in the parameter to be adjusted.
- FIG. 8 is an explanatory diagram for explaining the case where the communication radio wave intensity is set using two reader / writers.
- the respective reader / writers 100 and 200 when used, the respective reader / writers set the communication radio wave intensity to obtain the optimum communication radio wave output intensity.
- the communication radio wave output intensity of each reader / writer 100, 200 is adjusted by fixing the communication radio wave output intensity of one reader / writer (for example, reader / writer 100) and changing the communication radio wave output intensity of the other reader / writer 200. I will do it.
- the communication radio wave output intensity of the reader / writer 100 that has fixed the communication radio wave intensity is adjusted, and this is repeated. Note that the method of adjusting the communication radio wave output intensity is not limited to this.
- FIG. 9 is a diagram showing an example of information displayed on each IC tag. That is, the access condition “Readable”, the X coordinate “150 cm”, the Y coordinate “100 cm”, and the Z coordinate “100 cm” relative to the reader / writer are displayed on the IC tag corresponding to the tag ID “1”. A description of the tag ID “2 to 6” is omitted.
- a label is attached to the surface of the IC tag, and the above information is attached to this label May be printed, or leuco that can be printed and whose print contents can be changed may be used.
- an IC tag equipped with an LCD in addition to the above information, it is also possible to display access permission / inhibition information of the reader / writer by communicating with the reader / writer.
- the reader / writer notifies the accessible IC tag of information indicating that the access is possible, and the IC tag indicates that the access is possible when the notification of the access is received. Display on the LCD, otherwise display on the LCD that access is not possible.
- the reader / writer device, the reader / writer control method, and the reader / writer control program according to the present invention are useful for a reader / writer or the like that needs to efficiently set the strength applied to communication radio waves. .
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2005/006330 WO2006106579A1 (ja) | 2005-03-31 | 2005-03-31 | リーダライタ装置、リーダライタ制御方法およびリーダライタ制御プログラム |
JP2007512383A JPWO2006106579A1 (ja) | 2005-03-31 | 2005-03-31 | リーダライタ装置、リーダライタ制御方法およびリーダライタ制御プログラム |
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PCT/JP2005/006330 WO2006106579A1 (ja) | 2005-03-31 | 2005-03-31 | リーダライタ装置、リーダライタ制御方法およびリーダライタ制御プログラム |
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Cited By (7)
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JP2009044647A (ja) * | 2007-08-10 | 2009-02-26 | Denso Wave Inc | 携帯型rfidタグ読取器 |
WO2010038500A1 (ja) * | 2008-09-30 | 2010-04-08 | ブラザー工業株式会社 | 無線タグ通信装置及び物品管理システム |
JP2011048617A (ja) * | 2009-08-27 | 2011-03-10 | Semiconductor Energy Lab Co Ltd | 無線タグ管理システム |
US8797143B2 (en) | 2010-01-18 | 2014-08-05 | Toshiba Tec Kabushiki Kaisha | Information processing apparatus |
JP2021163055A (ja) * | 2020-03-31 | 2021-10-11 | トッパン・フォームズ株式会社 | 読取システム、読取方法 |
JP2021163153A (ja) * | 2020-03-31 | 2021-10-11 | トッパン・フォームズ株式会社 | 読取システム、通信ユニットの制御方法 |
JP2021163130A (ja) * | 2020-03-31 | 2021-10-11 | トッパン・フォームズ株式会社 | 通信範囲制御装置、通信範囲制御方法 |
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JP2003078459A (ja) * | 2001-08-31 | 2003-03-14 | Omron Corp | 非接触交信用の交信装置 |
JP2004240715A (ja) * | 2003-02-06 | 2004-08-26 | Sony Corp | 情報処理装置および方法、並びにプログラム |
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2005
- 2005-03-31 WO PCT/JP2005/006330 patent/WO2006106579A1/ja not_active Application Discontinuation
- 2005-03-31 JP JP2007512383A patent/JPWO2006106579A1/ja active Pending
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JP2021163055A (ja) * | 2020-03-31 | 2021-10-11 | トッパン・フォームズ株式会社 | 読取システム、読取方法 |
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