WO2008029461A1 - Non-contact ic device - Google Patents

Non-contact ic device Download PDF

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Publication number
WO2008029461A1
WO2008029461A1 PCT/JP2006/317677 JP2006317677W WO2008029461A1 WO 2008029461 A1 WO2008029461 A1 WO 2008029461A1 JP 2006317677 W JP2006317677 W JP 2006317677W WO 2008029461 A1 WO2008029461 A1 WO 2008029461A1
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WO
WIPO (PCT)
Prior art keywords
contact
contact type
antenna
information
permitted
Prior art date
Application number
PCT/JP2006/317677
Other languages
French (fr)
Japanese (ja)
Inventor
Kazuya Tani
Daisuke Yamamoto
Yoshio Koyanagi
Original Assignee
Panasonic Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to PCT/JP2006/317677 priority Critical patent/WO2008029461A1/en
Publication of WO2008029461A1 publication Critical patent/WO2008029461A1/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/77Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in smart cards

Definitions

  • Non-contact IC device
  • the present invention relates to a non-contact IC (integrated circuit) device mounted on a small device such as a mobile phone, and in particular, when used as electronic money (IC tag type electronic money), a crime such as illegal reading.
  • the present invention relates to a non-contact type IC device that prevents the above-described problem.
  • the contactless card exchanges data with the reader Z writer without contact, there are concerns about crimes such as sneaking (skimming) without the user's knowledge. Therefore, a safety function that can be reassured by the user is required for further dissemination, and various things that improve the safety function have been proposed.
  • a safety function using a sheet or the like that blocks radio waves has been proposed.
  • the non-contact type IC card disclosed in Patent Document 2 stores biometric information unique to the owner and receives the electromagnetic waves of the reader Z writer force or collates the user's fingerprint with a reader provided on the card. , Eliminate unauthorized use by non-owners.
  • the contactless IC card disclosed in Patent Document 3 inputs the biometrics information of the person to be judged and compares it with the verification information.
  • Patent Document 1 JP 2004-310479 A
  • Patent Document 2 JP 2005-182566 A
  • Patent Document 3 International Publication No. 2004Z023390 Pamphlet
  • an object of the present invention is to provide a non-contact IC device that can prevent crimes such as unauthorized reading and has high safety with a simple configuration.
  • the non-contact type IC device of the present invention uses an acquisition unit that acquires device information indicating a use state of a mounted device, and whether or not a use permission condition is satisfied by using the acquired device information.
  • a configuration is adopted that includes a determination unit that performs a determination, and a switching unit that switches between enabling or disabling the communication between the IC tag and the outside based on the determination result of the determination unit.
  • the contactless IC it is determined whether or not the use permission condition is satisfied by using the device information indicating the use state of the mounted device, and only when the use permission condition is satisfied, the contactless IC Make the device communicable with the outside and do not satisfy the conditions for use!
  • the non-contact IC device cannot be communicated with the outside, so that the probability of unauthorized reading can be minimized, and a highly secure and non-contact IC device is realized with a simple configuration. can do.
  • Examples of device information include button status, position status, and open / close status.
  • FIG. 1 is a block diagram of a mobile phone equipped with a non-contact IC device according to Embodiment 1 of the present invention.
  • FIG. 2 is a flowchart showing switching processing of the non-contact IC device according to Embodiment 1 of the present invention.
  • FIG. 3 is a block diagram of a mobile phone equipped with the non-contact IC device according to Embodiment 2 of the present invention.
  • FIG. 4 is a flowchart showing switching processing of the non-contact IC device according to Embodiment 2 of the present invention.
  • FIG. 5 is a perspective view of a mobile phone equipped with the non-contact IC device according to Embodiment 3 of the present invention.
  • FIG. 6 is a perspective view of a modification of the mobile phone equipped with the non-contact IC device according to Embodiment 3 of the present invention.
  • FIG. 1 is a block diagram of a mobile phone 10 equipped with a non-contact IC device 100 according to an embodiment of the present invention.
  • the mobile phone 10 includes, as characteristic components of the mobile phone, an antenna 111, a transmission / reception processing unit 112, a modulation / demodulation processing unit 113, a data processing unit 114, a DZA modulation unit 115, A speaker 116, an AZD converter 117, a microphone 118, a display unit 119, and an operation unit 120 are provided. Since these components are realized by conventional well-known techniques, detailed description thereof is omitted.
  • the non-contact type IC device 100 includes an antenna 101, an adjustment circuit 102, a determination unit 103, an IC tag 104, and a switching switch 105.
  • the non-contact type IC device according to the present embodiment is not limited to a mobile phone, but is also applicable to small devices including product tags, PDAs (Personal Digital Assistants), automobile keys, and the like.
  • the antenna 101 is a coiled loop antenna, and receives an electromagnetic wave and generates an induced electromotive force when it is close to an external reader / writer.
  • the induced electromotive force is used as a power source for the non-contact type IC device 100 to supply power, and the antenna 101 transmits and receives signals when the non-contact type IC device 100 can communicate with the outside. That is, the antenna 101 is not only a power supply unit but also a transmission / reception unit.
  • the adjustment circuit 102 adjusts the impedance of the antenna 101, rectifies the induced electromotive force generated by the antenna 101, and supplies it to the IC tag 104 via the switching switch 105.
  • the determination unit 103 is a non-contact type IC depending on whether a predetermined button (hereinafter referred to as “dedicated button”) in the operation unit 120 provided in the mobile phone 10 is pressed (on) or released (off). It is determined whether or not the use of the device 100 is permitted, and the connection or disconnection of the switching switch 105 is controlled based on the determination result. Specifically, when the dedicated button is pressed, it is determined that use of the non-contact type IC device 100 is permitted, and an instruction to switch to connection is output to the switch 105. On the other hand, if the dedicated button is opened, it is determined that use of the non-contact IC device 100 is permitted, and when switching to disconnection, the! /, Instruction is output to the switch 105.
  • a predetermined button hereinafter referred to as “dedicated button”
  • the IC tag 104 is a non-contact IC tag that performs communication without contacting an external reader Z writer.
  • the IC tag 104 includes a CPU (Central Processing Unit) that controls the information transfer process, a cryptographic processor that is a dedicated processor for executing calculations at high speed, and various memories (RAM, ROM, etc.) that store programs and data.
  • EEPROM Electrically Error Memory
  • the switching switch 105 is provided between the adjustment circuit 102 and the IC tag 104, and switches between the IC tag 104 and the adjustment circuit 102 according to an instruction from the determination unit 103. Specifically, when the use of the non-contact type IC device 100 is permitted, the switching switch 105 connects between the adjustment circuit 102 and the IC tag 104 according to an instruction from the determination unit 103. On the other hand, when the use of the non-contact type IC device 100 is not permitted, the switching switch 105 disconnects between the adjustment circuit 102 and the IC tag 104 according to an instruction from the determination unit 103.
  • FIG. 2 is a flowchart showing the switching process of the non-contact IC device 100 according to the first embodiment.
  • the determination unit 103 determines whether or not to permit use of the non-contact type IC device 100 based on the state of the dedicated button (S1012).
  • the decision unit 103 uses the non-contact IC device 100.
  • the switching switch 105 connects between the adjustment circuit 102 and the IC tag 104 (S1013).
  • the non-contact IC device 100 can communicate with the outside, transmit / receive to / from the external reader Z-rata, and use functions such as electronic money.
  • the process is terminated. That is, while the induced electromotive force is generated by the antenna 101 (S1014; NO), the non-contact IC device 100 can communicate with the outside.
  • determining unit 103 determines that use of non-contact IC device 100 is not permitted
  • the switch 105 disconnects between the adjustment circuit 102 and the IC tag 104 (S1015).
  • the non-contact type IC device 100 cannot communicate with the outside, and functions such as electronic money cannot be used.
  • determination unit 103 mechanically adjusts adjustment circuit 102 by means of switching switch 105 based on the state in which the dedicated button provided on mobile phone 10 is pressed Z is released. And the IC tag 104 are switched to connection or disconnection.
  • the switch 105 that does not require an external power supply can be used to switch the non-contact IC device to or from the outside so that it is possible to prevent crimes such as unauthorized reading.
  • the dedicated button has been described by taking the push-down button as an example.
  • the present invention is not limited to this, and a slide-type button may be used.
  • the force described by taking as an example that the determination unit 103 and the switching switch 105 operate mechanically is not limited thereto, and the electrical operation is performed using the induced electromotive force generated by the antenna 101.
  • a determination unit and a switching circuit may be used.
  • the determination unit 103 determines whether or not the number input by the operation unit 120 of the mobile phone 10 matches the password registered in advance, and the determination result Based on the above, the switching circuit switches between the adjustment circuit 102 and the IC tag 104 to connection or disconnection.
  • both the determination unit and the switching circuit do not operate, that is, the adjustment circuit 102 and the IC tag 104 are disconnected.
  • the contactless IC device 100 can communicate with the outside.
  • the switching circuit is connected to the adjustment circuit 102 and the IC. Disconnecting from the tag 104, power is not supplied to the adjustment circuit 102 and the IC tag 104, that is, the non-contact IC device 100 cannot communicate with the outside.
  • the use of the non-contact type IC device 100 can be controlled electrically by the determination unit 103 and the switching circuit that do not require an external power source, and furthermore, a low-power electric component is also provided in the determination unit. Since it can be used, the decision function can be digitized and enhanced.
  • the non-contact IC device 100 may further include a display unit.
  • This display unit displays the determination result by lighting or dark light according to the determination result of the determination unit 103.
  • FIG. 3 is a block diagram of mobile phone 20 equipped with non-contact IC device 200 according to the second embodiment.
  • the mobile phone 20 of FIG. 3 the same parts as those of the mobile phone 10 of FIG. 1 are denoted by the same reference numerals, and the description thereof is omitted.
  • the mobile phone 20 further includes a GPS unit 210 as compared with the mobile phone 10 of FIG.
  • the non-contact type IC device 200 includes a determination unit 203 having a different function instead of the determination unit 103 in the configuration of the non-contact type IC device 100 of FIG.
  • the GPS unit 210 is a system that determines the position of a person or an object using an artificial satellite.
  • the location information of the mobile phone 20, that is, the owner is acquired and reflected in a pre-registered map.
  • the location information reflected on the map is output to the determination unit 203.
  • FIG. 4 is a flowchart showing a switching process of the non-contact IC device 200 according to the second embodiment.
  • the processing is started.
  • the GPS unit 210 acquires the location information of the mobile phone 20 (S2011), and outputs it to the determination unit 203.
  • the determination unit 203 determines whether or not the use permission condition is satisfied (S2012).
  • the switching switch 105 connects the adjustment circuit 102 and the IC tag 104 (S2013).
  • the non-contact type IC device 200 can communicate with the outside, transmit / receive to / from the external reader Z writer, and use functions such as electronic money.
  • the power is turned off (S2014; YES)
  • the process is terminated. That is, the non-contact IC device 200 can communicate with the outside while the power of the mobile phone 20 is ON (S2014; NO).
  • the switching switch 105 disconnects between the adjustment circuit 102 and the IC tag 104 (S2015).
  • the contactless IC device 200 cannot communicate with the outside, and functions such as electronic money cannot be used.
  • whether or not the determination unit 203 permits use based on the location information acquired using the GPS function or the like already provided in the mobile phone 20 is determined.
  • the switching switch 105 switches between the adjustment circuit 102 and the IC tag 104 to connection Z disconnection according to the determination result. That is, when the owner of the mobile phone 20 is not located at a predetermined location, the non-contact IC device 200 can be made incapable of communication with the outside. For this reason, a non-contact IC device with a high degree of safety can be realized by swift judgment processing by combining with the functions provided in the mobile phone installed without requiring another authentication means. it can.
  • the determination unit 203 has been described using the location information such as GPS, but the tilt information of the mobile phone 20 may be used instead of the location information.
  • the mobile phone 20 is provided with a gyro sensor, and the mobile phone 20 detects a tilt relative to a horizontal plane or a predetermined reference object, and outputs the detected tilt information to the determination unit 203.
  • the memory stores the tilt information of the reader Z writer.
  • the determination unit 203 determines whether the inclination of the mobile phone 20 detected by the input gyro sensor is a constant angle while referring to the inclination information of the reader Z writer read from the memory. That is, it is determined whether or not the contactless IC device 200 is held over the reader Z writer.
  • the adjustment circuit 102 and the IC tag 104 are switched between connection and disconnection.
  • the contactless IC device 200 can be made incommunicable with the outside except when the mobile phone 20 has a predetermined inclination, so that the same effect as when using location information can be obtained. it can.
  • FIG. 5 is a perspective view of a mobile phone equipped with the non-contact IC device according to Embodiment 3 of the present invention.
  • the non-contact type IC device 300 according to the present embodiment includes an antenna 101, an adjustment circuit 102, a determination unit 303, an IC tag 104, and a switching unit 305.
  • the determination unit 303 determines whether or not to permit the use of the non-contact type IC device 300 based on the open / closed state of the foldable mobile phone 30. Specifically, the folding mobile phone 30 If it is open, it is determined that use of the non-contact IC device 300 is permitted, and an instruction to switch to connection is output to the switching unit 305. On the other hand, when the foldable mobile phone 30 is closed, it is determined that the use of the non-contact IC device 300 is not permitted, and an instruction to switch to disconnection is output to the switching unit 305.
  • Switching section 305 is provided in antenna 101, and switches antenna 101 to operable Z incapable of changing the electrical state of antenna 101, that is, impedance, in accordance with an instruction from determining section 303. Specifically, the antenna element shape of a part of the antenna 101 is changed, for example, the antenna element is switched to contact or non-contact with the GND (ground) part.
  • FIG. 5 is a perspective view of a two-axis hinged portable telephone 30 equipped with the non-contact IC device 300 according to the present embodiment.
  • the antenna 101 is provided on the entire inner surface of the casing (folding part) 31 of the mobile phone 30 (the surface that matches the casing 32 when closed), the mobile phone 30 is not used, and the casing 31 is closed
  • the determination unit 303 determines that the non-contact type IC device 300 is not permitted to be used, and the switching unit 305 makes the antenna element non-contact with the GND unit. Since the performance of the contactless IC device 300 is insufficient, the non-contact IC device 300 cannot communicate with the outside.
  • determination unit 303 determines that use of non-contact IC device 300 is permitted, and switching unit 305 determines that the antenna element is GN D By making contact with the part, the characteristics of the antenna 101 become normal, so that the non-contact type IC device 300 can communicate with the outside.
  • FIG. 6 shows a slide-type mobile phone 40 on which the non-contact IC device 300 according to the present embodiment is mounted as a modification of the present embodiment.
  • the judgment part 303 judges that the non-contact IC device 300 is not allowed to be used, and the switching part 305 By making the element non-contact with the GND portion, the antenna 101 is switched to be inoperable, and the non-contact type IC device 300 cannot communicate with the outside.
  • the determination unit 303 determines that the use of the non-contact IC device 300 is permitted, and the switching unit 305 sets the antenna element to GND. By making contact with the unit, the antenna 101 is switched to be operable, and the non-contact type IC device 300 can communicate with the outside.
  • the electric characteristics such as the VSWR (Voltage Standing Wave Ratio) which is the impedance characteristic of the antenna 101 are mismatched, and the antenna is almost completely set. The function is lost.
  • the antenna characteristics are temporarily restored to restore the antenna function. In this way, the antenna 101 can be switched to be operable, so that crimes such as unauthorized reading can be prevented, and a non-contact IC device that can be matched to the external shape of the mounted small device has been realized. can do.
  • the antenna element may be switched to contact or non-contact with the internal members (conductor, non-conductor) of the mounted device.
  • the non-contact type IC device of the present invention determines whether or not the power permission condition is satisfied based on the acquired usage state of the mounted device, and according to the determination result, By switching the non-contact type CI device to be able to communicate with the outside or impossible, the probability of unauthorized reading is minimized, so a highly secure non-contact type IC device can be realized with a simple configuration. .
  • the non-contact type IC device of the present invention is effective for small-scale settlement and is effectively applied to a small device having an electronic money function that requires a high level of safety.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
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Abstract

A non-contact IC device that can prevent crimes such as unauthorized reading or the like and exhibits a high level of safety with a simple structure used. In this device, an antenna (101) receives electromagnetic waves to generate an induced electromotive force. A regulation circuit (102) rectifies and then supplies the induced electromotive force generated by the antenna (101) to an IC tag (104) via a switch (105). A determining part (103) determines, according to either a depression state or a release state of a predetermined button in an operating part (120) formed on a mobile telephone unit (10), whether the condition of permitting the usage is satisfied. A switch (105) selectively connects or disconnects, based on a determination result of the determining part (103), the IC tag (104) and the regulation circuit (102).

Description

明 細 書  Specification
非接触式 IC装置  Non-contact IC device
技術分野  Technical field
[0001] 本発明は、携帯電話機等の小型機器に搭載される非接触式 IC (集積回路)装置に 関し、特に電子貨幣 (ICタグ型電子マネー)として使用される場合、不正読み取り等 の犯罪を予防する非接触式 IC装置に関する。  TECHNICAL FIELD [0001] The present invention relates to a non-contact IC (integrated circuit) device mounted on a small device such as a mobile phone, and in particular, when used as electronic money (IC tag type electronic money), a crime such as illegal reading. The present invention relates to a non-contact type IC device that prevents the above-described problem.
背景技術  Background art
[0002] 従来は集積回路 (IC)を搭載した接触式 ICカードが一般的であつたが、近年、非接 触式 ICカードがその利便性から電車の入場券に用いられるなど小額決算の用途を 主として、幅広く浸透し始めている。今後、非接触式 ICタグを搭載した携帯電話機の 利用も拡大することが見込まれ、電子貨幣の利用がより一般的になることが想定され る。非接触式 ICタグ技術としては、読み取り端末にかざすことによりデータのやり取り が可能なものが知られている。例えば、 ICタグの駆動電圧は内蔵したコイル状のアン テナを用いることで誘導起電力を発生させ、電源無しで動作する特徴を有し、また、 相互判断と通信データの暗号ィ匕を行うことにより高い安全性を確保する非接触式 IC タグが実際に使用されている。  [0002] Conventionally, contact IC cards equipped with integrated circuits (ICs) have been common, but in recent years, non-contact IC cards have been used for train tickets because of their convenience. Primarily, it has begun to penetrate widely. In the future, the use of mobile phones equipped with contactless IC tags is expected to expand, and the use of electronic money is expected to become more common. As a non-contact type IC tag technology, one that can exchange data by holding it over a reading terminal is known. For example, the drive voltage of an IC tag uses an internal coiled antenna to generate an induced electromotive force, so that it operates without a power supply, and performs mutual judgment and encryption of communication data. Non-contact IC tags that actually ensure higher safety are actually used.
[0003] また、非接触式カードはリーダ Zライタとのデータのやり取りが非接触で行われるた め、使用者の知らないうちに盗み見 (スキミング)される等の犯罪が懸念される。よって 、さらなる普及に向けて使用者の安心できる安全機能が求められ、安全機能を向上 する様々なものが提案されている。例えば、特許文献 1に開示の非接触式 ICラベル においては、電波を遮断するシートなどを用いた安全機能が提案されている。また、 特許文献 2に開示の非接触式 ICカードは、所有者固有の生体情報を記憶しておき、 リーダ Zライタ力 の電磁波を受けるもしくはカードに備えた読み取り機で使用者の 指紋を照合し、所有者以外の不正使用を排除する。さらに、特許文献 3に開示の非 接触式 ICカードは、判断対象者のバイオメトリタス情報を入力し、照合用情報と比較 [0003] In addition, since the contactless card exchanges data with the reader Z writer without contact, there are concerns about crimes such as sneaking (skimming) without the user's knowledge. Therefore, a safety function that can be reassured by the user is required for further dissemination, and various things that improve the safety function have been proposed. For example, in the non-contact type IC label disclosed in Patent Document 1, a safety function using a sheet or the like that blocks radio waves has been proposed. The non-contact type IC card disclosed in Patent Document 2 stores biometric information unique to the owner and receives the electromagnetic waves of the reader Z writer force or collates the user's fingerprint with a reader provided on the card. , Eliminate unauthorized use by non-owners. Furthermore, the contactless IC card disclosed in Patent Document 3 inputs the biometrics information of the person to be judged and compares it with the verification information.
Z照合し、両者が一致した場合のみ所有者についての秘密情報を外部に出力する ことにより、カード型記憶媒体のセキュリティ強度を高めている。 特許文献 1:特開 2004— 310479号公報 The security strength of the card-type storage medium is increased by outputting the secret information about the owner to the outside only when the Z matches and the two match. Patent Document 1: JP 2004-310479 A
特許文献 2 :特開 2005— 182566号公報  Patent Document 2: JP 2005-182566 A
特許文献 3:国際公開第 2004Z023390号パンフレット  Patent Document 3: International Publication No. 2004Z023390 Pamphlet
発明の開示  Disclosure of the invention
発明が解決しょうとする課題  Problems to be solved by the invention
[0004] しカゝしながら、特許文献 1に提案された非接触式 ICラベルにぉ ヽて、非接触式 IC の搭載機器に電磁波を遮断するシートなどを設けることは使用時の手間と電磁波遮 断シートの破損などが考慮され不都合である。また、特許文献 2、 3に記載されたよう に、生体情報を用いて照合を行う場合では、小額決算を即座に行うことができるとい う利便性が失われ、さらに、生体情報の認識、承認及び非接触式 ICを含む制御には 外部電源が必要となり、電池無しでの使用が不可能と!/、う問題がある。  [0004] However, over the non-contact IC label proposed in Patent Document 1, it is necessary to provide a non-contact IC mounting device with a sheet or the like for shielding electromagnetic waves. This is inconvenient due to the breakage of the shielding sheet. In addition, as described in Patent Documents 2 and 3, when collation is performed using biometric information, the convenience of being able to make a small settlement immediately is lost, and biometric information is recognized and approved. In addition, control including non-contact type IC requires an external power supply, and it is impossible to use without battery!
[0005] よって、本発明の目的は、不正読み取りなどの犯罪を防止することができ、簡易な 構成で安全性の高い非接触式 IC装置を提供することである。  [0005] Therefore, an object of the present invention is to provide a non-contact IC device that can prevent crimes such as unauthorized reading and has high safety with a simple configuration.
課題を解決するための手段  Means for solving the problem
[0006] 本発明の非接触式 IC装置は、搭載される機器の使用状態を示す機器情報を取得 する取得手段と、取得された機器情報を利用して、使用許可条件を満たすか否かの 判断を行う判断手段と、前記判断手段による判断結果に基づいて、 ICタグと外部と の通信可能または不可能に切り替える切り替え手段と、を具備する構成を採る。 発明の効果 [0006] The non-contact type IC device of the present invention uses an acquisition unit that acquires device information indicating a use state of a mounted device, and whether or not a use permission condition is satisfied by using the acquired device information. A configuration is adopted that includes a determination unit that performs a determination, and a switching unit that switches between enabling or disabling the communication between the IC tag and the outside based on the determination result of the determination unit. The invention's effect
[0007] 本発明によれば、搭載される機器の使用状態を示す機器情報を利用して、使用許 可条件を満たすカゝ否かを判断し、使用許可条件を満たす場合のみ非接触式 IC装置 を外部と通信可能にし、使用許可条件を満たさな!/ヽ場合には非接触式 IC装置を外 部と通信不能にすることによって、不正読み取りの確率を最小限に抑えることができ、 簡易な構成で安全性の高 、非接触式 IC装置を実現することができる。機器情報の 例として、ボタンの状態、位置状態、開閉状態等が挙げられる。  [0007] According to the present invention, it is determined whether or not the use permission condition is satisfied by using the device information indicating the use state of the mounted device, and only when the use permission condition is satisfied, the contactless IC Make the device communicable with the outside and do not satisfy the conditions for use! In non-contact cases, the non-contact IC device cannot be communicated with the outside, so that the probability of unauthorized reading can be minimized, and a highly secure and non-contact IC device is realized with a simple configuration. can do. Examples of device information include button status, position status, and open / close status.
図面の簡単な説明  Brief Description of Drawings
[0008] [図 1]本発明の実施の形態 1に係る非接触式 IC装置を搭載した携帯電話機のブロッ ク図 FIG. 1 is a block diagram of a mobile phone equipped with a non-contact IC device according to Embodiment 1 of the present invention. Figure
[図 2]本発明の実施の形態 1に係る非接触式 IC装置の切り替え処理を示すフロー図 [図 3]本発明の実施の形態 2に係る非接触式 IC装置を搭載した携帯電話機のブロッ ク図  FIG. 2 is a flowchart showing switching processing of the non-contact IC device according to Embodiment 1 of the present invention. FIG. 3 is a block diagram of a mobile phone equipped with the non-contact IC device according to Embodiment 2 of the present invention. Figure
[図 4]本発明の実施の形態 2に係る非接触式 IC装置の切り替え処理を示すフロー図 [図 5]本発明の実施の形態 3に係る非接触式 IC装置を搭載した携帯電話機の斜視 図  FIG. 4 is a flowchart showing switching processing of the non-contact IC device according to Embodiment 2 of the present invention. FIG. 5 is a perspective view of a mobile phone equipped with the non-contact IC device according to Embodiment 3 of the present invention. Figure
[図 6]本発明の実施の形態 3に係る非接触式 IC装置を搭載した携帯電話機の変形 例の斜視図  FIG. 6 is a perspective view of a modification of the mobile phone equipped with the non-contact IC device according to Embodiment 3 of the present invention.
発明を実施するための最良の形態  BEST MODE FOR CARRYING OUT THE INVENTION
[0009] 以下、本発明に係る非接触式 IC装置の実施の形態について図面を参照しながら 説明する。  Hereinafter, embodiments of a non-contact IC device according to the present invention will be described with reference to the drawings.
[0010] (実施の形態 1)  [0010] (Embodiment 1)
図 1は、本発明の実施の形態に係る非接触式 IC装置 100を搭載した携帯電話機 1 0のブロック図である。図 1に示すように、携帯電話機 10は携帯電話機の特有な構成 要素として、アンテナ 111と、送受信処理部 112と、変復調処理部 113と、データ処 理部 114と、 DZA変^^ 115と、スピーカ 116と、 AZD変^^ 117と、マイク 118と 、表示部 119と、操作部 120とを備える。なお、これらの構成要素は従来周知技術で 実現するものであるから、詳しい説明は省略する。  FIG. 1 is a block diagram of a mobile phone 10 equipped with a non-contact IC device 100 according to an embodiment of the present invention. As shown in FIG. 1, the mobile phone 10 includes, as characteristic components of the mobile phone, an antenna 111, a transmission / reception processing unit 112, a modulation / demodulation processing unit 113, a data processing unit 114, a DZA modulation unit 115, A speaker 116, an AZD converter 117, a microphone 118, a display unit 119, and an operation unit 120 are provided. Since these components are realized by conventional well-known techniques, detailed description thereof is omitted.
[0011] 非接触式 IC装置 100は、アンテナ 101と、調整回路 102と、判断部 103と、 ICタグ 104と、切り替えスィッチ 105とを備える。なお、本実施の形態に係る非接触式 IC装 置は、携帯電話機に限らず、商品タグ、 PDA (Personal Digital Assistant)、自動車キ 一などを含む小型機器も適用対象である。  The non-contact type IC device 100 includes an antenna 101, an adjustment circuit 102, a determination unit 103, an IC tag 104, and a switching switch 105. Note that the non-contact type IC device according to the present embodiment is not limited to a mobile phone, but is also applicable to small devices including product tags, PDAs (Personal Digital Assistants), automobile keys, and the like.
[0012] アンテナ 101は、コイル状のループアンテナからなり、外部リーダ/ライタに近接する と、電磁波を受信して誘導起電力を発生する。この誘導起電力を非接触式 IC装置 1 00の電源として電力を供給し、また、アンテナ 101は、非接触式 IC装置 100が外部 との通信が可能となる場合に、信号の送受信を行う。すなわち、アンテナ 101は、電 源部でありながら送受信部でもある。 [0013] 調整回路 102は、アンテナ 101のインピーダンスを調整し、アンテナ 101が発生し た誘導起電力を整流して、切り替えスィッチ 105を介して ICタグ 104に供給する。 [0012] The antenna 101 is a coiled loop antenna, and receives an electromagnetic wave and generates an induced electromotive force when it is close to an external reader / writer. The induced electromotive force is used as a power source for the non-contact type IC device 100 to supply power, and the antenna 101 transmits and receives signals when the non-contact type IC device 100 can communicate with the outside. That is, the antenna 101 is not only a power supply unit but also a transmission / reception unit. The adjustment circuit 102 adjusts the impedance of the antenna 101, rectifies the induced electromotive force generated by the antenna 101, and supplies it to the IC tag 104 via the switching switch 105.
[0014] 判断部 103は、携帯電話機 10に設けられた操作部 120内の所定のボタン (以下「 専用ボタン」 、う)の押下 (入)或いは開放 (切)の状態により、非接触式 IC装置 100 の使用が許可されるカゝ否かを判断し、その判断結果に基づき、切り替えスィッチ 105 の接続或いは切断を制御する。具体的には、専用ボタンが押し下げられている場合 、非接触式 IC装置 100の使用が許可されていると判断し、接続に切り替えるという指 示を切り替えスィッチ 105へ出力する。一方、専用ボタンが開放されている場合、非 接触式 IC装置 100の使用が許可されて 、な 、と判断し、切断に切り替えると!/、う指 示を切り替えスィッチ 105へ出力する。  [0014] The determination unit 103 is a non-contact type IC depending on whether a predetermined button (hereinafter referred to as “dedicated button”) in the operation unit 120 provided in the mobile phone 10 is pressed (on) or released (off). It is determined whether or not the use of the device 100 is permitted, and the connection or disconnection of the switching switch 105 is controlled based on the determination result. Specifically, when the dedicated button is pressed, it is determined that use of the non-contact type IC device 100 is permitted, and an instruction to switch to connection is output to the switch 105. On the other hand, if the dedicated button is opened, it is determined that use of the non-contact IC device 100 is permitted, and when switching to disconnection, the! /, Instruction is output to the switch 105.
[0015] ICタグ 104は、外部リーダ Zライタと接触せずに通信を行う非接触式 ICタグである 。 ICタグ 104は、情報の授受処理を制御する CPU (中央演算処理装置)、演算を高 速に実行するための専用プロセッサである暗号プロセッサ、プログラムやデータを格 納する各種メモリ(RAM、 ROM, EEPROM)などからなる。通常、金銭処理のような 高度で複雑なシステムの場合は、より高速の CPUと、大容量のメモリが用いられる。  IC tag 104 is a non-contact IC tag that performs communication without contacting an external reader Z writer. The IC tag 104 includes a CPU (Central Processing Unit) that controls the information transfer process, a cryptographic processor that is a dedicated processor for executing calculations at high speed, and various memories (RAM, ROM, etc.) that store programs and data. EEPROM). Usually, for sophisticated and complex systems such as money processing, a faster CPU and a larger amount of memory are used.
[0016] 切り替えスィッチ 105は、調整回路 102と ICタグ 104との間に設けられ、判断部 10 3からの指示に従って、 ICタグ 104と調整回路 102との間を接続或いは切断に切り替 える。具体的には、非接触式 IC装置 100の使用が許可されている時には、切り替え スィッチ 105は、判断部 103からの指示により、調整回路 102と ICタグ 104との間を 接続する。一方、非接触式 IC装置 100の使用が許可されていない時に、切り替えス イッチ 105は、判断部 103からの指示により、調整回路 102と ICタグ 104との間を切 断する。  The switching switch 105 is provided between the adjustment circuit 102 and the IC tag 104, and switches between the IC tag 104 and the adjustment circuit 102 according to an instruction from the determination unit 103. Specifically, when the use of the non-contact type IC device 100 is permitted, the switching switch 105 connects between the adjustment circuit 102 and the IC tag 104 according to an instruction from the determination unit 103. On the other hand, when the use of the non-contact type IC device 100 is not permitted, the switching switch 105 disconnects between the adjustment circuit 102 and the IC tag 104 according to an instruction from the determination unit 103.
[0017] 次いで、上記構成を有する非接触式 IC装置 100の切り替え処理について、図 2を 用いて説明する。図 2は実施の形態 1に係る非接触式 IC装置 100の切り替え処理を 示すフロー図である。  Next, switching processing of the non-contact IC device 100 having the above configuration will be described with reference to FIG. FIG. 2 is a flowchart showing the switching process of the non-contact IC device 100 according to the first embodiment.
[0018] アンテナ 101よる誘導起電力が発生すると(S1011 ;YES)、処理がスタートする。  [0018] When an induced electromotive force is generated by the antenna 101 (S1011; YES), the process starts.
まず、判断部 103は専用ボタンの状態に基づいて、非接触式 IC装置 100の使用を 許可するカゝ否かの判断を行う(S1012)。判断部 103が、非接触式 IC装置 100の使 用を許可すると判断した場合 (S1012 ;YES)、切り替えスィッチ 105は、調整回路 1 02と ICタグ 104との間を接続する(S1013)。この場合、非接触式 IC装置 100が外 部と通信可能になり、外部リーダ Zラータと送受信を行い、電子マネー等の機能を使 用することができる。その後、アンテナ 101による誘導起電力が発生しなくなると(S1 014 ; YES)、処理を終了する。つまり、アンテナ 101による誘導起電力が発生されて いる間(S1014 ;NO)、非接触式 IC装置 100が外部と通信可能となる。 First, the determination unit 103 determines whether or not to permit use of the non-contact type IC device 100 based on the state of the dedicated button (S1012). The decision unit 103 uses the non-contact IC device 100. When it is determined that the use is permitted (S1012; YES), the switching switch 105 connects between the adjustment circuit 102 and the IC tag 104 (S1013). In this case, the non-contact IC device 100 can communicate with the outside, transmit / receive to / from the external reader Z-rata, and use functions such as electronic money. Thereafter, when no induced electromotive force is generated by the antenna 101 (S1 014; YES), the process is terminated. That is, while the induced electromotive force is generated by the antenna 101 (S1014; NO), the non-contact IC device 100 can communicate with the outside.
[0019] 一方、判断部 103が、非接触式 IC装置 100の使用が許可されないと判断した場合 On the other hand, when determining unit 103 determines that use of non-contact IC device 100 is not permitted
(S1012 ;NO)、切り替えスィッチ 105は、調整回路 102と ICタグ 104との間を切断 する(S1015)。この場合、非接触式 IC装置 100が外部と通信不可能になり、電子マ ネー等の機能を使用することができない。  (S1012; NO), the switch 105 disconnects between the adjustment circuit 102 and the IC tag 104 (S1015). In this case, the non-contact type IC device 100 cannot communicate with the outside, and functions such as electronic money cannot be used.
[0020] このように、本実施の形態によれば、判断部 103は、携帯電話機 10に設けられた 専用ボタンの押下 Z開放の状態に基づいて、切り替えスィッチ 105により機械的に調 整回路 102と ICタグ 104との間を接続或いは切断に切り替える。これにより、外部電 源を必要としない切り替えスィッチ 105により、非接触式 IC装置を外部と通信可能或 いは不可能に切り替えることができるため、不正読み取りなどの犯罪を防止すること ができ、簡易かつ機械的な構成で電源なしでの使用が可能な安全性の高い非接触 式 IC装置を実現することができる。  As described above, according to the present embodiment, determination unit 103 mechanically adjusts adjustment circuit 102 by means of switching switch 105 based on the state in which the dedicated button provided on mobile phone 10 is pressed Z is released. And the IC tag 104 are switched to connection or disconnection. As a result, the switch 105 that does not require an external power supply can be used to switch the non-contact IC device to or from the outside so that it is possible to prevent crimes such as unauthorized reading. In addition, it is possible to realize a highly safe non-contact IC device that can be used without a power supply with a mechanical configuration.
[0021] なお、本実施の形態では、専用ボタンについて押し下げ式ボタンを例にして説明し たが、これに限らずスライド式ボタンを使用してもよい。  In the present embodiment, the dedicated button has been described by taking the push-down button as an example. However, the present invention is not limited to this, and a slide-type button may be used.
[0022] また、本実施の形態では、判断部 103及び切り替えスィッチ 105が機械的に動作 することを例にとって説明した力 これに限らず、アンテナ 101による誘導起電力を用 いて電気的に動作する判断部及び切り替え回路を使用してもよい。  Further, in the present embodiment, the force described by taking as an example that the determination unit 103 and the switching switch 105 operate mechanically is not limited thereto, and the electrical operation is performed using the induced electromotive force generated by the antenna 101. A determination unit and a switching circuit may be used.
[0023] 例えば、誘導起電力が発生する場合、判断部 103が携帯電話機 10の操作部 120 力 入力された番号を事前に登録された暗証番号と一致するか否かを判断し、その 判断結果に基づいて、切り替え回路が調整回路 102と ICタグ 104との間を接続或い は切断に切り替える。一方、誘導起電力が発生しない場合、判断部及び切り替え回 路がともに動作せず、つまり調整回路 102と ICタグ 104との間が切断される状態にな る。 [0024] この構成によれば、アンテナ 101による誘導起電力が発生する場合、まず判断部と 切り替え回路が動作し、そして判断部 103が使用を許可する場合、切り替え回路が 調整回路 102と ICタグ 104とを接続することによって、電力が調整回路 102及び ICタ グ 104に供給され、つまり非接触式 IC装置 100が外部と通信可能になる。アンテナ 1 01より誘導起電力が発生しない場合、またはアンテナ 101より誘導起電力が発生す るが、判断部 103が非接触式 IC装置 100の使用を許可しない場合、切り替え回路が 調整回路 102と ICタグ 104との間を切断し、電力が調整回路 102及び ICタグ 104に 供給されず、つまり非接触式 IC装置 100が外部と通信不可能になる。このため、外 部電源を必要としない判断部 103と切り替え回路により、電気的に非接触式 IC装置 100の使用可否を制御することができ、さらに、判断部にも小電力の電気的部品を用 いることが可能であるため、判断機能の電子化、高機能化を図ることができる。 [0023] For example, when an induced electromotive force is generated, the determination unit 103 determines whether or not the number input by the operation unit 120 of the mobile phone 10 matches the password registered in advance, and the determination result Based on the above, the switching circuit switches between the adjustment circuit 102 and the IC tag 104 to connection or disconnection. On the other hand, when no induced electromotive force is generated, both the determination unit and the switching circuit do not operate, that is, the adjustment circuit 102 and the IC tag 104 are disconnected. [0024] According to this configuration, when an induced electromotive force is generated by the antenna 101, the determination unit and the switching circuit first operate, and when the determination unit 103 permits the use, the switching circuit includes the adjustment circuit 102 and the IC tag. By connecting to 104, electric power is supplied to the adjustment circuit 102 and the IC tag 104, that is, the contactless IC device 100 can communicate with the outside. When the induced electromotive force is not generated from the antenna 101, or the induced electromotive force is generated from the antenna 101, but the determination unit 103 does not permit the use of the non-contact IC device 100, the switching circuit is connected to the adjustment circuit 102 and the IC. Disconnecting from the tag 104, power is not supplied to the adjustment circuit 102 and the IC tag 104, that is, the non-contact IC device 100 cannot communicate with the outside. For this reason, the use of the non-contact type IC device 100 can be controlled electrically by the determination unit 103 and the switching circuit that do not require an external power source, and furthermore, a low-power electric component is also provided in the determination unit. Since it can be used, the decision function can be digitized and enhanced.
[0025] また、本実施の形態に係る非接触式 IC装置 100は、表示部をさらに具備してもよい 。この表示部は、判断部 103の判断結果に応じて、点灯または暗灯で判断結果を表 示する。  [0025] Further, the non-contact IC device 100 according to the present embodiment may further include a display unit. This display unit displays the determination result by lighting or dark light according to the determination result of the determination unit 103.
[0026] この構成によれば、使用者が判断結果を正確に把握することができ、判断エラーな どのトラブルを回避することができる。  [0026] According to this configuration, the user can accurately grasp the determination result, and troubles such as a determination error can be avoided.
[0027] (実施の形態 2) [Embodiment 2]
図 3は、実施の形態 2に係る非接触式 IC装置 200を搭載した携帯電話機 20のプロ ック図である。  FIG. 3 is a block diagram of mobile phone 20 equipped with non-contact IC device 200 according to the second embodiment.
[0028] なお、図 3の携帯電話機 20において、図 1の携帯電話機 10と同一の部分には同一 の符号を付し、その説明を省略する。図 3に示すように、携帯電話機 20は、図 1の携 帯電話機 10に対して、さらに GPS部 210を備える。非接触式 IC装置 200は、図 1の 非接触式 IC装置 100の構成において、判断部 103の代わりに機能が異なる判断部 203から構成される。  In the mobile phone 20 of FIG. 3, the same parts as those of the mobile phone 10 of FIG. 1 are denoted by the same reference numerals, and the description thereof is omitted. As shown in FIG. 3, the mobile phone 20 further includes a GPS unit 210 as compared with the mobile phone 10 of FIG. The non-contact type IC device 200 includes a determination unit 203 having a different function instead of the determination unit 103 in the configuration of the non-contact type IC device 100 of FIG.
[0029] GPS部 210は、人工衛星を利用して人や物の位置を割り出すシステムである。ここ では、携帯電話機 20すなわち所持者の所在地情報を取得し、事前に登録されてい る地図に反映する。地図に反映された所在地情報を判断部 203に出力する。  The GPS unit 210 is a system that determines the position of a person or an object using an artificial satellite. Here, the location information of the mobile phone 20, that is, the owner is acquired and reflected in a pre-registered map. The location information reflected on the map is output to the determination unit 203.
[0030] 判断部 203は、地図に示されている複数のコンビ-エンスストアや駅など、すなわち 非接触式 IC装置 200が使用される可能性のある所定の場所の情報等を格納するメ モリを含む。判断部 203は、 GPS部 210から入力された所在地情報に基づいて、非 接触式 IC装置 200の使用を許可するカゝ否かを判断し、その判断結果に基づき、切り 替えスィッチ 105の接続或いは切断を制御する。具体的には、 GPS部 210が取得し た所在地情報が、メモリに記憶された所定の場所の情報と一致する場合、非接触式 I C装置 200の使用が許可されていると判断し、接続に切り替えるという指示をスィッチ 105へ出力する。一方、 GPS部 210が取得した所在地情報カ モリに記憶された所 定の場所の情報と一致しな 、場合、非接触式 IC装置 200の使用が許可されて!、な いと判断し、切断に切り替えるという指示を切り替えスィッチ 105へ出力する。つまり、 携帯電話機 20の使用者が所定の場所にいる力 、なかを判断することによって、切り 替えスィッチ 105を制御する。 [0030] The determination unit 203 includes a plurality of convenience stores and stations shown on the map, that is, It includes a memory that stores information on a predetermined location where the non-contact IC device 200 may be used. Based on the location information input from the GPS unit 210, the determination unit 203 determines whether or not to permit the use of the non-contact type IC device 200, and based on the determination result, the connection of the switching switch 105 or Control cutting. Specifically, if the location information acquired by the GPS unit 210 matches the information of a predetermined location stored in the memory, it is determined that the use of the non-contact IC device 200 is permitted and the connection is established. The switch instruction is output to switch 105. On the other hand, if it does not match the location information stored in the location information memory acquired by the GPS unit 210, it is determined that the use of the non-contact IC device 200 is permitted! An instruction to switch is output to switch 105. That is, the switching switch 105 is controlled by determining whether the user of the mobile phone 20 is in a predetermined place.
[0031] 次いで、非接触式 IC装置 200の切り替え処理について、図 4を用いて説明する。図 4は実施の形態 2に係る非接触式 IC装置 200の切り替え処理を示すフロー図である Next, switching processing of the non-contact type IC device 200 will be described with reference to FIG. FIG. 4 is a flowchart showing a switching process of the non-contact IC device 200 according to the second embodiment.
[0032] 携帯電話機 20の電源が ONされると、処理をスタートする。まず、 GPS部 210は、 携帯電話機 20の所在地情報を取得して (S2011)、判断部 203に出力する。判断部 203は、 GPS部 210から入力された所在地情報に基づいて、使用許可条件を満た すか否力の判断を行う(S2012)。判断部 203が、使用許可条件を満たすと判断した 場合(S2012 ; YES)、切り替えスィッチ 105は、調整回路 102と ICタグ 104との間を 接続する(S2013)。この場合、非接触式 IC装置 200が外部と通信可能になり、外部 リーダ Zライタと送受信を行い、電子マネー等の機能を使用することができる。その後 、電源が OFFにされると(S2014 ; YES)、処理を終了する。つまり、携帯電話機 20 の電源が ONされている間(S2014 ;NO)、非接触式 IC装置 200が外部と通信可能 となる。 [0032] When the power of the mobile phone 20 is turned on, the processing is started. First, the GPS unit 210 acquires the location information of the mobile phone 20 (S2011), and outputs it to the determination unit 203. Based on the location information input from the GPS unit 210, the determination unit 203 determines whether or not the use permission condition is satisfied (S2012). When the determination unit 203 determines that the use permission condition is satisfied (S2012; YES), the switching switch 105 connects the adjustment circuit 102 and the IC tag 104 (S2013). In this case, the non-contact type IC device 200 can communicate with the outside, transmit / receive to / from the external reader Z writer, and use functions such as electronic money. Thereafter, when the power is turned off (S2014; YES), the process is terminated. That is, the non-contact IC device 200 can communicate with the outside while the power of the mobile phone 20 is ON (S2014; NO).
[0033] 一方、判断部 203が、使用許可条件を満たさないと判断した場合 (S2012 ;NO)、 切り替えスィッチ 105は、調整回路 102と ICタグ 104との間を切断する(S2015)。こ の場合、非接触式 IC装置 200が外部と通信不可能となり、電子マネー等の機能を使 用することができない。 [0034] このように、本実施の形態によれば、携帯電話機 20に既に備えている GPS機能等 を利用して取得した所在地情報に基づき、判断部 203が使用を許可するカゝ否かを判 断し、その判断結果に応じて切り替えスィッチ 105が調整回路 102と ICタグ 104との 間を接続 Z切断に切り替える。すなわち、携帯電話機 20の所持者が所定の場所に 位置する以外の場合は、非接触式 IC装置 200を外部と通信不可能にすることができ る。このため、別の認証手段を必要とせず、搭載される携帯電話機に備えられた機能 と融合することで、迅速な判断処理により高度な安全性を持つ非接触式 IC装置を実 現することができる。 On the other hand, when the determination unit 203 determines that the use permission condition is not satisfied (S2012; NO), the switching switch 105 disconnects between the adjustment circuit 102 and the IC tag 104 (S2015). In this case, the contactless IC device 200 cannot communicate with the outside, and functions such as electronic money cannot be used. Thus, according to the present embodiment, whether or not the determination unit 203 permits use based on the location information acquired using the GPS function or the like already provided in the mobile phone 20 is determined. The switching switch 105 switches between the adjustment circuit 102 and the IC tag 104 to connection Z disconnection according to the determination result. That is, when the owner of the mobile phone 20 is not located at a predetermined location, the non-contact IC device 200 can be made incapable of communication with the outside. For this reason, a non-contact IC device with a high degree of safety can be realized by swift judgment processing by combining with the functions provided in the mobile phone installed without requiring another authentication means. it can.
[0035] なお、本実施の形態では、判断部 203は GPS等の所在地情報を用いて判断する 場合について説明したが、所在地情報の代わりに、携帯電話機 20の傾き情報を使 用してもよい。具体的には、携帯電話機 20にジャイロセンサーを設け、携帯電話機 2 0が水平面また所定の基準物に対する傾きを検出し、検出された傾き情報を判断部 203に出力する。メモリはリーダ Zライタの傾き情報を格納する。判断部 203は、メモ リから読み出したリーダ Zライタの傾き情報を参照しながら、入力されたジャイロセン サ一により検出された携帯電話機 20の傾きが、一定の角度であるか否かを判断する 、すなわち非接触式 IC装置 200がリーダ Zライタにかざしているカゝ否かを判断する。 そして、判断結果に基づいて、調整回路 102と ICタグ 104との間を接続或いは切断 に切り替える。これにより、携帯電話機 20が所定の傾きになる以外の場合は、非接触 式 IC装置 200を外部と通信不可能にすることができるので、所在地情報を用いる場 合と同様の効果を得ることができる。  In the present embodiment, the determination unit 203 has been described using the location information such as GPS, but the tilt information of the mobile phone 20 may be used instead of the location information. . Specifically, the mobile phone 20 is provided with a gyro sensor, and the mobile phone 20 detects a tilt relative to a horizontal plane or a predetermined reference object, and outputs the detected tilt information to the determination unit 203. The memory stores the tilt information of the reader Z writer. The determination unit 203 determines whether the inclination of the mobile phone 20 detected by the input gyro sensor is a constant angle while referring to the inclination information of the reader Z writer read from the memory. That is, it is determined whether or not the contactless IC device 200 is held over the reader Z writer. Based on the determination result, the adjustment circuit 102 and the IC tag 104 are switched between connection and disconnection. As a result, the contactless IC device 200 can be made incommunicable with the outside except when the mobile phone 20 has a predetermined inclination, so that the same effect as when using location information can be obtained. it can.
[0036] (実施の形態 3)  [0036] (Embodiment 3)
図 5は、本発明の実施の形態 3に係る非接触式 IC装置を搭載した携帯電話機の斜 視図である。本実施の形態の非接触式 IC装置 300は、アンテナ 101と、調整回路 10 2と、判断部 303、 ICタグ 104と、切替部 305とから構成される。なお、図 5の非接触 式 IC装置 300において、図 1に示した非接触式 IC装置 100と同一の部分には同一 の符号を付し、その説明を省略する。  FIG. 5 is a perspective view of a mobile phone equipped with the non-contact IC device according to Embodiment 3 of the present invention. The non-contact type IC device 300 according to the present embodiment includes an antenna 101, an adjustment circuit 102, a determination unit 303, an IC tag 104, and a switching unit 305. In the non-contact type IC device 300 of FIG. 5, the same parts as those of the non-contact type IC device 100 shown in FIG.
[0037] 判断部 303は、折り畳み式携帯電話機 30の開閉状態により、非接触式 IC装置 30 0の使用を許可するか否力の判断を行う。具体的には、折り畳み式携帯電話機 30が 開いている場合、非接触式 IC装置 300の使用が許可されると判断し、接続に切り替 えるという指示を切替部 305へ出力する。一方、折り畳み式携帯電話機 30が閉じて いる場合、非接触式 IC装置 300の使用が許可されないと判断し、切断に切り替える という指示を切替部 305へ出力する。 The determination unit 303 determines whether or not to permit the use of the non-contact type IC device 300 based on the open / closed state of the foldable mobile phone 30. Specifically, the folding mobile phone 30 If it is open, it is determined that use of the non-contact IC device 300 is permitted, and an instruction to switch to connection is output to the switching unit 305. On the other hand, when the foldable mobile phone 30 is closed, it is determined that the use of the non-contact IC device 300 is not permitted, and an instruction to switch to disconnection is output to the switching unit 305.
[0038] 切替部 305は、アンテナ 101に設けられ、判断部 303の指示に従って、アンテナ 1 01の電気的状態、すなわちインピーダンスを変化させることにより、アンテナ 101を動 作可能 Z不可能に切り替える。具体的には、アンテナ 101の一部のアンテナ素子形 状を変える、例えば、アンテナ素子を GND (グランド)部と接触または非接触に切り替 える。 [0038] Switching section 305 is provided in antenna 101, and switches antenna 101 to operable Z incapable of changing the electrical state of antenna 101, that is, impedance, in accordance with an instruction from determining section 303. Specifically, the antenna element shape of a part of the antenna 101 is changed, for example, the antenna element is switched to contact or non-contact with the GND (ground) part.
[0039] 次 、で、非接触式 IC装置 300の動作につ 、て、搭載される携帯電話機の形に合 わせて、それぞれ図 5と図 6を用いて説明する。  Next, the operation of the non-contact type IC device 300 will be described with reference to FIGS. 5 and 6, respectively, according to the shape of the mobile phone to be mounted.
[0040] 図 5は、本実施の形態に係る非接触式 IC装置 300を搭載した 2軸ヒンジ型携帯電 話機 30の斜視図である。アンテナ 101を携帯電話機 30の筐体 (折り返し部) 31の内 面(閉じている時に、筐体 32と合わせる面)一面に設け、携帯電話機 30が使用され ず、筐体 31が閉じている場合、判断部 303が非接触式 IC装置 300の使用を許可し ないと判断し、切替部 305がアンテナ素子を GND部と非接触にすることにより、アン テナ 101の特性が著しく劣化し、アンテナとしての性能が不十分であるため、非接触 式 IC装置 300が外部と通信不可能になる。  FIG. 5 is a perspective view of a two-axis hinged portable telephone 30 equipped with the non-contact IC device 300 according to the present embodiment. When the antenna 101 is provided on the entire inner surface of the casing (folding part) 31 of the mobile phone 30 (the surface that matches the casing 32 when closed), the mobile phone 30 is not used, and the casing 31 is closed The determination unit 303 determines that the non-contact type IC device 300 is not permitted to be used, and the switching unit 305 makes the antenna element non-contact with the GND unit. Since the performance of the contactless IC device 300 is insufficient, the non-contact IC device 300 cannot communicate with the outside.
[0041] 一方、携帯電話機 30が使用されており、筐体 31が開いている場合、判断部 303が 非接触式 IC装置 300の使用を許可すると判断し、切替部 305がアンテナ素子を GN D部と接触にすることにより、アンテナ 101の特性が正常になるため、非接触式 IC装 置 300が外部と通信可能になる。  [0041] On the other hand, when mobile phone 30 is used and case 31 is open, determination unit 303 determines that use of non-contact IC device 300 is permitted, and switching unit 305 determines that the antenna element is GN D By making contact with the part, the characteristics of the antenna 101 become normal, so that the non-contact type IC device 300 can communicate with the outside.
[0042] また、図 6は本実施の形態の変形例として、本実施の形態に係る非接触式 IC装置 300を搭載したスライド型携帯電話機 40を示す。このスライド型携帯電話機 40が使 用されず、筐体 (スライド部) 41が閉じている場合、判断部 303が非接触式 IC装置 30 0の使用を許可しないと判断し、切替部 305がアンテナ素子を GND部と非接触にす ることにより、アンテナ 101が動作不可能に切り替えられ、非接触式 IC装置 300が外 部と通信不可能になる。 [0043] 一方、スライド型携帯電話機 40が使用され、筐体 41が開いている場合、判断部 30 3が非接触式 IC装置 300の使用を許可すると判断し、切替部 305がアンテナ素子を GND部と接触にすることにより、アンテナ 101が動作可能に切り替えられ、非接触式 IC装置 300が外部と通信可能になる。 FIG. 6 shows a slide-type mobile phone 40 on which the non-contact IC device 300 according to the present embodiment is mounted as a modification of the present embodiment. When the slide-type mobile phone 40 is not used and the housing (slide part) 41 is closed, the judgment part 303 judges that the non-contact IC device 300 is not allowed to be used, and the switching part 305 By making the element non-contact with the GND portion, the antenna 101 is switched to be inoperable, and the non-contact type IC device 300 cannot communicate with the outside. [0043] On the other hand, when the slide-type mobile phone 40 is used and the housing 41 is open, the determination unit 303 determines that the use of the non-contact IC device 300 is permitted, and the switching unit 305 sets the antenna element to GND. By making contact with the unit, the antenna 101 is switched to be operable, and the non-contact type IC device 300 can communicate with the outside.
[0044] このように本実施の形態によれば、携帯電話機が使用されていない時に、アンテナ 101のインピーダンス特性である VSWR (Voltage Standing Wave Ratio)といった電 気特性を不整合にし、ほぼ完全にアンテナ機能を喪失させ、一方、携帯電話機が使 用されている時に、一時的に最適なアンテナ特性を再現し、アンテナ機能を復元さ せる。このように、アンテナ 101を動作可能 Z不可能に切り替えることができるため、 不正読み取り等の犯罪を防止することができ、また搭載される小型機器の外形に合 わせられる非接触式 IC装置を実現することができる。  As described above, according to the present embodiment, when the mobile phone is not used, the electric characteristics such as the VSWR (Voltage Standing Wave Ratio) which is the impedance characteristic of the antenna 101 are mismatched, and the antenna is almost completely set. The function is lost. On the other hand, when the mobile phone is used, the antenna characteristics are temporarily restored to restore the antenna function. In this way, the antenna 101 can be switched to be operable, so that crimes such as unauthorized reading can be prevented, and a non-contact IC device that can be matched to the external shape of the mounted small device has been realized. can do.
[0045] なお、本実施の形態において、アンテナ 101の一部のアンテナ素子形状を変えるこ とについて、アンテナ素子を GND部と接触 Z非接触に切り替えることを例にとって説 明したが、これに限らず、アンテナ素子を搭載機器の内部部材 (導体、非導体)と接 触或いは非接触に切り替えるようにしてもょ 、。  In the present embodiment, changing the shape of a part of the antenna element of the antenna 101 has been described by taking an example of switching the antenna element to the GND portion and contact Z non-contact, but the present invention is not limited to this. First, the antenna element may be switched to contact or non-contact with the internal members (conductor, non-conductor) of the mounted device.
[0046] 以上の説明により、本発明の非接触式 IC装置は、取得した搭載する機器の使用状 態に基づいて、使用許可条件満たす力否かの判断を行い、その判断結果に応じて、 非接触式 CI装置を外部と通信可能或いは不可能に切り替えることによって、不正読 み取りの確率を最小限に抑えるため、簡易な構成で安全性の高い非接触式 IC装置 を実現することができる。  [0046] From the above description, the non-contact type IC device of the present invention determines whether or not the power permission condition is satisfied based on the acquired usage state of the mounted device, and according to the determination result, By switching the non-contact type CI device to be able to communicate with the outside or impossible, the probability of unauthorized reading is minimized, so a highly secure non-contact type IC device can be realized with a simple configuration. .
産業上の利用可能性  Industrial applicability
[0047] 本発明の非接触式 IC装置は、小額決算を行うことを目的とし、かつ高度な安全性 が要求される電子マネー機能を備える小型機器への適用が有効である。  [0047] The non-contact type IC device of the present invention is effective for small-scale settlement and is effectively applied to a small device having an electronic money function that requires a high level of safety.

Claims

請求の範囲 The scope of the claims
[1] 搭載される機器の使用状態を示す機器情報を取得する取得手段と、  [1] An acquisition means for acquiring device information indicating a usage state of the mounted device;
取得された機器情報を利用して使用許可条件を満たす力否力の判断を行う判断手 段と、  A determination means for determining the power / unavailability that satisfies the use permission condition using the acquired device information;
前記判断手段による判断結果に基づいて、 ICタグと外部との通信を可能または不 可能に切り替える切り替え手段と、  Switching means for switching between enabling and disabling communication between the IC tag and the outside based on the determination result by the determining means;
を具備する非接触式 IC装置。  Non-contact IC device comprising
[2] 前記機器情報は搭載される機器に設けられた所定のボタンの入或いは切の状態を 示す情報であり、 [2] The device information is information indicating the on / off state of a predetermined button provided on the mounted device,
前記判断手段は、前記ボタンが入れられている場合、非接触式 IC装置の使用を許 可すると判断し、前記ボタンが切れられている場合、非接触式 IC装置の使用を許可 しないと判断する、  The determination means determines that the use of the non-contact type IC device is permitted when the button is inserted, and determines that the use of the non-contact type IC device is not permitted when the button is disconnected. ,
請求項 1記載の非接触式 IC装置。  The non-contact type IC device according to claim 1.
[3] 前記機器情報は搭載される機器の所在位置を示す情報であり、 [3] The device information is information indicating a location of the device to be mounted,
前記判断手段は、前記機器情報が予めメモリに格納されて!、る所定場所の情報と 一致する場合、非接触式 IC装置の使用を許可すると判断し、前記機器情報が予めメ モリに格納されて ヽる所定場所の情報と一致しな ヽ場合、非接触式 IC装置の使用を 許可しないと判断する、  The determination means determines that the use of the non-contact IC device is permitted when the device information is stored in the memory in advance and matches the information of the predetermined location, and the device information is stored in the memory in advance. If it does not match the information of the specified location, it is determined that the use of the non-contact IC device is not permitted.
請求項 1記載の非接触式 IC装置。  The non-contact type IC device according to claim 1.
[4] 前記機器情報は搭載される機器の開閉状態を示す情報であり、 [4] The device information is information indicating an open / closed state of the mounted device,
前記判断手段は、機器が開いている場合、非接触式 IC装置の使用を許可すると判 断し、機器が閉じている場合、非接触式 IC装置の使用を許可しないと判断する、 請求項 1記載の非接触式 IC装置。  The determination means determines that the use of the non-contact IC device is permitted when the device is open, and determines that the use of the non-contact IC device is not permitted when the device is closed. Non-contact IC device as described.
[5] 前記切り替え手段は、切り替えスィッチであり、機械的に非接触式 IC装置内部の回 路を接続または切断に切り替える、 [5] The switching means is a switching switch, and mechanically switches the circuit in the non-contact IC device to connection or disconnection.
請求項 1記載の非接触式 IC装置。  The non-contact type IC device according to claim 1.
[6] 電磁波を受信して誘導起電力を発生し、また外部との送受信を行うアンテナ、 を具備し、 前記判断手段は、前記アンテナによる誘導起電力を用いて判断を行う、 請求項 1記載の非接触式 IC装置。 [6] An antenna for receiving an electromagnetic wave to generate an induced electromotive force and transmitting / receiving to / from the outside, The non-contact type IC device according to claim 1, wherein the determination unit performs determination using an induced electromotive force generated by the antenna.
[7] 前記切り替え手段は、前記アンテナの電気特性を整合にまたは不整合させることに よって、前記アンテナを動作可能または不可能に切り替える、 [7] The switching means switches the antenna to be operable or impossible by matching or mismatching the electrical characteristics of the antenna.
請求項 6記載の非接触式 IC装置。  The non-contact type IC device according to claim 6.
[8] 前記判断手段による判断結果に応じて、非接触式 IC装置の使用が許可されている か否かにつ 、て表示する表示手段、 [8] Display means for displaying whether or not use of the non-contact type IC device is permitted according to the determination result by the determination means,
をさらに具備する請求項 1記載の非接触式 IC装置。  The non-contact type IC device according to claim 1, further comprising:
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US9524383B2 (en) 2008-08-08 2016-12-20 Assa Abloy Ab Directional sensing mechanism and communications authentication
CN106292872A (en) * 2008-08-08 2017-01-04 爱莎.艾伯莱有限公司 Directional sensing mechanism and communication authentication
US9773362B2 (en) 2008-08-08 2017-09-26 Assa Abloy Ab Directional sensing mechanism and communications authentication
US9998454B2 (en) 2008-08-08 2018-06-12 Assa Abloy Ab Directional sensing mechanism and communications authentication
US10554650B2 (en) 2008-08-08 2020-02-04 Assa Abloy Ab Directional sensing mechanism and communications authentication
CN106292872B (en) * 2008-08-08 2020-03-10 爱莎.艾伯莱有限公司 Directional sensing mechanism and communication authentication
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