JP2002183676A - Information reader - Google Patents

Information reader

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Publication number
JP2002183676A
JP2002183676A JP2000379772A JP2000379772A JP2002183676A JP 2002183676 A JP2002183676 A JP 2002183676A JP 2000379772 A JP2000379772 A JP 2000379772A JP 2000379772 A JP2000379772 A JP 2000379772A JP 2002183676 A JP2002183676 A JP 2002183676A
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Patent type
Prior art keywords
transponder
tip
data
antenna
coaxial cable
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JP2000379772A
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Japanese (ja)
Inventor
Mitsuo Usami
光雄 宇佐美
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Hitachi Ltd
株式会社日立製作所
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Abstract

PROBLEM TO BE SOLVED: To provide a reading means for a subminiature transponder, having a microscopic antenna on an on-chip. SOLUTION: A resonance circuit composed of a microscopic coil and a capacitor is arranged on the tip of a coaxial cable inserted into a shaft part of a pen type reader or the tip of the antenna of a cellular phone, and the tip is brought near to the microscopic transponder to read information.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は非接触でデータを読み取るための装置に関する。 The present invention relates to relates to a device for reading data without contact.

【0002】 [0002]

【従来の技術】遮蔽性に優れ、高いセキュリティでバーコードよりも大量のデータを高速に読み取る小型の非接触読み取り用トランスポンダは、高度物流や偽造防止のために、年間1兆個以上の需用拡大があるものと期待され、インターネット技術と結びついて急速に普及されると考えられている。 Excellent BACKGROUND ART shielding, small non-contact reading for a transponder for reading large amounts of data than the barcode at a high speed with high security, for advanced logistics and anti-counterfeiting, year 1 trillion or more consumed electric enlargement is expected to thing, it is believed to be rapidly spread in conjunction with Internet technology.

【0003】この小型の非接触読み取り用のトランスポンダとしては、特開平10−193849に示されるような、オンチップにアンテナをもつ小型の半導体装置が提案されている。 [0003] The transponder for non-contact reading of the compact, as shown in JP-A 10-193849, a small semiconductor device having an antenna on-chip has been proposed. しかし、このような微小なチップから情報を読み取るための方策については提案された例がない。 However, there is no proposed example for measures for reading information from such small chips.

【0004】 [0004]

【発明が解決しようとする課題】本発明では、微小な非接触認識用トランスポンダから効率よく情報を読み取るための装置を提案する。 In the [0008] present invention proposes a device for reading the information effectively from small non-contact recognition transponder. また、簡便であることが極めて重要であるため、そのための方策について提案する。 It is also because it is very important, we propose a strategy for its is simple.

【0005】 [0005]

【課題を解決するための手段】前記課題を解決するための第1の手段は、小型の非接触認識用トランスポンダのデータを読み取るために、同軸ケーブルの先端に小型のコイルおよびコンデンサの共振体を具備して、当該の先端部分を当該のトランスポンダに近づけてデータを読み取り、当該の同軸ケーブルを内蔵していることを特徴とするペン型の読み取り装置とすることである。 According to a first aspect of the means for solving the above problems, in order to read the data of a small non-contact recognition transponder, a resonator of small coils and capacitors on the tip of the coaxial cable provided by reading data the tip portion of the closer to the transponder is to be a pen-type reader, characterized in that incorporates the coaxial cable.

【0006】前記課題を解決するための第2の手段は、 A second means for solving the above problems,
小型の非接触認識用トランスポンダのデータを読み取るために、同軸ケーブルの先端に小型のコイルおよびコンデンサの共振体を具備して、当該の先端部分を当該のトランスポンダに近づけてデータを読み取り、当該の同軸ケーブルを内蔵しかつ、当該のトランスポンダからのデータをデジタル信号に変換して他のコンピュータに送信する回路を内蔵していることを特徴とするペン型の読み取り装置とすることである。 To read the data of a small non-contact recognition transponder comprises a resonant body of a small coil and a capacitor to the tip of the coaxial cable, read data the tip portion of the closer to the transponder, the coaxial internal cables vital is that it be a pen-type reader, characterized in that by converting the data from the transponder to the digital signal has a built-in circuit for transmitting to another computer.

【0007】前記課題を解決するための第3の手段は、 A third means for solving the above problems,
小型の非接触認識用トランスポンダのデータを読み取るために、携帯電話のアンテナの先端に小型のコイルおよびコンデンサの共振体を具備して、当該の先端部分を当該のトランスポンダに近づけてデータを読み取り、携帯電話型の読み取り装置とすることである。 To read the data of the non-contact recognition transponder compact, comprises a resonator tip small coils and capacitors in the antenna of a cellular phone, reading data the tip portion of the closer to the transponder, the mobile and to a telephone-type reader.

【0008】前記課題を解決するための第4の手段は、 [0008] A fourth means for solving the above problems,
小型の非接触認識用トランスポンダのデータを読み取るとき、データのエラーをチェックする暗号コードを同時に読み取って、当該の暗号処理の解読を接続された上位のコンピュータの入出力プログラムの中で実施して、高速に応答することを特徴とする読み取り装置とすることである。 When reading the data of a small non-contact recognition transponder, reads the encryption code that checks for errors in the data at the same time, be carried out in the input-output program of the cryptographic processing of the connected upper decryption computer, and to a reading device, characterized in that the high-speed response.

【0009】 [0009]

【発明の実施の形態】図1は本発明の実施例を示す図面である。 Figure 1 DETAILED DESCRIPTION OF THE INVENTION is a view showing an embodiment of the present invention. 質問機11はコンピュータ12に接続ケーブル18によって接続されており、質問機11には同軸ケーブルコネクタ13があって、そこからは同軸ケーブル1 Interrogator 11 are connected by a connecting cable 18 to the computer 12, the interrogator 11 when there is a coaxial cable connector 13, the coaxial cable 1 from there
4が接続されており、その同軸ケーブルはペン型リーダ15に接続されている。 4 is connected, the coaxial cable is connected to a pen-type reader 15. 同軸ケーブル14はペン型リーダの中をくぐり、同軸ケーブルの先にはアンテナヘッド16があって、小型トランスポンダ17からのデータを読み取ることが可能である。 Coaxial cable 14 wicket through the pen type reader, ahead of the coaxial cable be no antenna head 16, it is possible to read the data from a small transponder 17. 質問機11は同軸ケーブル14を介して受けたアナログ信号をデジタル信号に置き換え、トランスポンダ17に対しては、搬送波やクロック信号やコマンド信号を与える。 Interrogator 11 replaces the analog signal received via the coaxial cable 14 to a digital signal, for the transponder 17, giving the carrier and clock signals and command signals.

【0010】図2は本発明の実施にあたって使用される小型のトランスポンダ17の例を示している。 [0010] Figure 2 shows an example of a small transponder 17 used in the practice of the present invention. このトランスポンダ17には半導体チップが内蔵され、その上にはオンチップコイル21とオンチップコンデンサ22が集積されている。 This is the transponder 17 semiconductor chips are built, the on-chip coil 21 and the on-chip capacitor 22 thereon are integrated. コイル21のインダクタンスとコンデンサ22のキャパシタンスによって共振回路が形成され、半導体チップに形成された回路に外部からエネルギを供給したり、信号を送受信したりすることが可能となる。 Resonant circuit capacitance of inductance and capacitor 22 of the coil 21 is formed, and supplies the energy from the outside to the circuit formed on the semiconductor chip, it is possible to send and receive signals.

【0011】波長の短い搬送波を使用することによって、共振回路の時定数を小さくすることができ、コイルやコンデンサの値を小さくすることが可能となる。 [0011] By using a short carrier wavelengths, it is possible to reduce the time constant of the resonant circuit, it is possible to reduce the value of the coil and capacitor. また、半導体回路の消費電力を小さくすることによって、 Moreover, by reducing the power consumption of the semiconductor circuit,
通信距離の拡大を図ることが可能となる。 It is possible to expand the communication distance.

【0012】図3は本発明の実施例において同軸ケーブルの先端に取り付けられるアンテナヘッド16を示す平面図であり、小型コイル31および小型コンデンサ32 [0012] Figure 3 is a plan view showing an antenna head 16 mounted to the distal end of the coaxial cable in the embodiment of the present invention, a small coil 31 and the small capacitors 32
からなる並列または直列の共振回路が構成されている。 Parallel or series resonant circuit consisting of is configured.
このアンテナヘッド16は、前述の小型のトランスポンダに近づけて電磁波エネルギを出し、微小トランスポンダを起動動作させたり、信号を送受信したりする先端デバイスとしての役割をはたす。 The antenna head 16 issues an electromagnetic wave energy close to the small transponder described above, play or activates operated small transponder, the role of a tip device which send and receive signals. 微小トランスポンダの回路構成、搬送波の周波数によってこのアンテナヘッドの形状、構成は異なってくる。 The circuit configuration of the micro-transponder, the shape of the antenna head by the frequency of the carrier wave, the configuration differs. この場合ではマイクロ波のケースを示している。 It shows the case of the microwave in this case. 静電気で低周波で送る場合は静電カップルプレートでもよい。 When sending the low frequency static electricity may be an electrostatic couple plates.

【0013】図4は、本発明の別の実施例を示している。 [0013] Figure 4 shows another embodiment of the present invention. 質問機11の中に高周波アナログ回路41があって、この回路41からのアナログ信号をデジタル変換回路42によってデジタル信号に変換する。 There is a high frequency analog circuit 41 in the interrogator 11, and converts the analog signal from the circuit 41 by a digital converter 42 into a digital signal. 上記信号は接続ケーブル18によってコンピュータ12側に設けた送受信回路43に入力される。 The signal is inputted to the reception circuit 43 provided in the computer 12 side by the connection cable 18. コンピュータ12の中には入出力制御プログラム44があって、質問機からのデジタル信号を処理する。 There is O control program 44 in the computer 12, it processes the digital signal from the interrogator. コマンドによっては暗号処理プログラム45がデータ受信後直接暗号処理を行って高速にシステムレスポンスを行う。 The command performs a system response speed cryptographic processing program 45 performs direct encryption processing after data reception. もし、暗号処理によって不一致が発生すると、コンピュータは質問機に対して読み取りのリトライを実施させるなどの動作を行う。 If the mismatch is caused by the encryption process, the computer performs an operation such as to perform the retry of the reading with respect to the interrogator.

【0014】図5は本発明の別の実施例を示している。 [0014] Figure 5 shows another embodiment of the present invention.
アンテナヘッド16は携帯電話53のアンテナ51の先端にあって、この携帯電話からのエネルギをトランスポンダへの送受信エネルギに変換させる。 Antenna head 16 In the tip of the antenna 51 of the mobile phone 53, to convert the energy from the mobile phone to send and receive energy to the transponder. 携帯電話53には、表示装置52やボタン54があって携帯電話の処理を指定することができる。 The mobile phone 53 is able to specify a process of the mobile phone there is a display device 52 and buttons 54. たとえば、通常の使用を示すモードとトランスポンダからの読み取りを示すモードの切替えが可能である。 For example, it is possible to switch mode indicating readings from the mode and the transponder showing the normal use. 携帯電話は常に個人所有されるメリットがあって、かつ高周波回路を内蔵しているため、 Phone always there is merit to be privately owned, and because of a built-in high-frequency circuit,
その機能を共用することが可能となり、経済的に利便性よく、微小トランスポンダの読み取り装置としての機能をはたすことが可能となる。 It is possible to share their functions, economically convenient good, it is possible to fulfill the function as a reader of the small transponder.

【0015】 [0015]

【発明の効果】物流など広範囲な応用が期待される小型非接触認識用トランスポンダの読み取りのために、手軽で簡便な方式を提案し、経済的で利便性の高い方法が可能となった。 For small non-contact recognition transponder logistics such as a wide range of applications are expected reading according to the present invention, it proposes a quick and simple method has made it possible to highly economical and convenient method.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の一実施例を示すブロック図。 Block diagram showing an embodiment of the present invention; FIG.

【図2】本発明の一実施例におけるトランスポンダを示す平面図。 Plan view illustrating a transponder according to an embodiment of the present invention; FIG.

【図3】本発明の一実施例におけるアンテナヘッドの平面図。 Plan view of an antenna head in one embodiment of the present invention; FIG.

【図4】本発明の他の一実施例を示すブロック図。 Block diagram showing another embodiment of the present invention; FIG.

【図5】本発明の他の一実施例を示す携帯電話の正面図。 Figure 5 is a front view of another mobile phone showing one embodiment of the present invention.

【符号の説明】 DESCRIPTION OF SYMBOLS

11…質問機、12…コンピュータ、13…同軸ケーブルコネクタ、14…同軸ケーブル、15…ペン型リーダ、16…アンテナヘッド、17…小型トランスポンダ、18…接続ケーブル、21…オンチップコイル、2 11 ... interrogator, 12 ... computer, 13 ... coaxial cable connector, 14 ... coaxial cable, 15 ... pen type reader, 16 ... antenna head, 17 ... small transponder, 18 ... connecting cable, 21 ... on-chip coil, 2
2…オンチップコンデンサ、31…小型コイル、32… 2 ... on-chip capacitor, 31 ... small coil, 32 ...
小型コンデンサ、41…高周波アナログ回路、42…デジタル変換回路、43…送受信回路、44…入出力制御プログラム、45…暗号処理プログラム、51…アンテナ、52…表示装置、53…携帯電話、54…ボタン。 Small capacitors, 41 ... high frequency analog circuit, 42 ... digital conversion circuit, 43 ... transceiver circuit, 44 ... input-output control program, 45 ... cipher processing program, 51 ... antenna, 52 ... display, 53 ... mobile phone, 54 ... button .

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl. 7識別記号 FI テーマコート゛(参考) H04B 5/02 H04B 5/02 ────────────────────────────────────────────────── ─── of the front page continued (51) Int.Cl. 7 identification mark FI theme Court Bu (reference) H04B 5/02 H04B 5/02

Claims (4)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】把持可能な軸状部材と、上記軸状部材の軸心に通した同軸ケーブルと、上記同軸ケーブルの先端に設けたコンデンサおよびコイルによる共振体を具備するアンテナヘッドを有し、上記アンテナヘッドをトランスポンダに近づけてデータを読み取ることを特徴とする情報読み取り装置。 A [1 claim: a graspable shaft-like member, a coaxial cable through the axis of the shaft-like member, the antenna head comprising a resonator by capacitor and a coil provided at the tip of the coaxial cable, information reading apparatus characterized by reading data closer to the antenna head to the transponder.
  2. 【請求項2】同軸ケーブルの先端に小型のコイルおよびコンデンサからなる共振体を具備し、上記先端部分をトランスポンダに近づけてデータを読み取り、トランスポンダからのデータをデジタル信号に変換して他のコンピュータに送信する回路を有していることを特徴とするペン型の情報読み取り装置。 2. A comprising a resonator made from a small coil and a capacitor to the tip of the coaxial cable, reads the data closer to the tip portion to the transponder, and converts the data from the transponder into digital signals to another computer pen-type information reading device, characterized in that it has a circuit for transmitting.
  3. 【請求項3】携帯電話のアンテナ先端に小型のコイルおよびコンデンサからなる共振体を具備し、上記アンテナ先端部をトランスポンダに近づけてデータを読み取る携帯電話型であることを特徴とする情報読み取り装置。 3. A comprising a resonator made from a small coil and a capacitor in a mobile phone antenna tip, the information reading device which is a cellular phone type to read the data as close to the antenna tip to the transponder.
  4. 【請求項4】小型の非接触認識用トランスポンダのデータを読み取るとき、データのエラーをチェックする暗号コードを同時に読み取って、上記暗号の解読処理を接続された上位コンピュータの入出力プログラムの中で実施しすることを特徴とする請求項1ないし3のいずれか記載の情報読み取り装置。 Wherein when reading data of a small non-contact recognition transponder, it reads the encryption code that checks for errors in the data at the same time, carried out in the input-output program of the upper computer connected decryption processing of the encrypted claims 1, characterized in that contribute to the information reading apparatus according to any one of 3.
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