JP2000242756A - Data carrier having charging function - Google Patents
Data carrier having charging functionInfo
- Publication number
- JP2000242756A JP2000242756A JP4757999A JP4757999A JP2000242756A JP 2000242756 A JP2000242756 A JP 2000242756A JP 4757999 A JP4757999 A JP 4757999A JP 4757999 A JP4757999 A JP 4757999A JP 2000242756 A JP2000242756 A JP 2000242756A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- transmission
- power
- secondary battery
- data carrier
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000000087 stabilizing effect Effects 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Power Sources (AREA)
- Near-Field Transmission Systems (AREA)
- Selective Calling Equipment (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、携帯式の情報機器
として使用されるデータキャリアであって充電機能を有
するものに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data carrier used as a portable information device and having a charging function.
【０００２】[0002]
【従来の技術】近年、特定な部屋への入退室管理、スキ
ー場のリフト券、鉄道の乗車券、駐車場の入出車管理、
高速道路の通行券、電子マネー、商品の万引き防止など
にデータキャリアが使用されはじめている。データキャ
リアは、情報データの記憶部、制御部、データ通信部の
回路を備え、カード形、コイン形、あるいは箱形の形状
をしており、人が携帯したり、商品や自動車等に取付け
られて移動し、各所に配置された質問器との間で非接触
のデータ通信を行う。データ通信には、静電結合、電磁
結合、電磁誘導、マイクロ波、光通信などの方式があ
り、質問器とデータキャリアとの距離、あるいは通信す
べきデータ量など用途によって適宜選択される。2. Description of the Related Art In recent years, management of entering / leaving a specific room, lift ticket at a ski resort, railway ticket, entry / exit management at a parking lot,
Data carriers are starting to be used for highway toll tickets, electronic money, and to prevent shoplifting of goods. The data carrier is provided with circuits for information data storage unit, control unit, and data communication unit, and has a card-shaped, coin-shaped, or box-shaped shape. And perform non-contact data communication with interrogators arranged in various places. Data communication includes methods such as electrostatic coupling, electromagnetic coupling, electromagnetic induction, microwave, and optical communication, and is appropriately selected depending on the application such as the distance between the interrogator and the data carrier or the amount of data to be communicated.
【０００３】なかでも電磁誘導方式は、通信の中間に物
体が存在しても非金属であれば障害とはならないので、
実用性が高く、最も汎用されている。しかし、その送信
出力は電波法で制約を受ける。質問器は、通常、固定設
置であるから電波法の制約限界まで送受信性能を上げる
ことにさしたる問題はないが、データキャリアは携帯性
の要求や多数使用されるものであるためコスト的制約を
受け、送受信性能を上げることが必ずしも容易ではな
い。[0003] In particular, the electromagnetic induction system does not hinder non-metallic objects even if an object exists in the middle of communication.
It is highly practical and most commonly used. However, its transmission output is restricted by the Radio Law. Interrogators are usually fixed installations, so there is no problem in improving the transmission / reception performance up to the limits of the Radio Law. However, it is not always easy to improve transmission / reception performance.
【０００４】データキャリアを小型かつ低コストにする
ため、それ自身には電源を持たず、質問器から放射され
る電波エネルギーを受信して整流し、回路動作の電気エ
ネルギー源とする無電池式がある。この無電池式である
と消耗されてしまう部品がないので長期に渡って使用で
き、実用化されているデータキャリアの殆どが無電池式
である。しかし、質問器との通信可能な距離は数十セン
チメートル程度と短いため、データキャリアを質問器に
かなり接近させなければならず、応用用途が限られたも
のとなっていた。In order to reduce the size and cost of the data carrier, a battery-less type, which does not have a power supply itself, receives radio wave energy radiated from an interrogator, rectifies it, and uses it as an electric energy source for circuit operation, has been developed. is there. The batteryless type has no parts to be consumed, so that it can be used for a long period of time, and most of practically used data carriers are the batteryless type. However, the communicable distance with the interrogator is as short as about several tens of centimeters, so that the data carrier has to be very close to the interrogator, and its application is limited.
【０００５】一方、データキャリアに電源電池を搭載し
たものは受信性能を制約限界まで上げることが可能で、
応用用途が拡大できる可能性をもっている。電池を交換
可能、あるいは交換不可能に搭載しているものがある
が、前者は消耗品としての電池の交換費がかかるだけで
はなく、電池交換のための構造上の制約を受けることに
なる。後者は電池の消耗時が機器としての寿命になり高
コストを免れないし、使用途中での電池切れなどの問題
がある。On the other hand, a data carrier equipped with a power supply battery can raise the receiving performance to the limit limit.
It has the potential to expand applications. Some batteries are mounted so as to be replaceable or non-replaceable, but the former requires not only the cost of replacing the battery as a consumable, but also the structural limitations for battery replacement. The latter has a problem in that when the battery is exhausted, the life of the device becomes longer and high cost is inevitable, and the battery runs out during use.
【０００６】[0006]
【発明が解決しようとする課題】本発明は前記の問題点
を解消するためなされたもので、十分な送受信性能を持
ちながら長期間に渡って使用できるデータキャリアを提
供することを目的とするものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide a data carrier which has sufficient transmission / reception performance and can be used for a long period of time. It is.
【０００７】[0007]
【課題を解決するための手段】前記の目的を達成するた
めになされた本発明のデータキャリアは、実施例に対応
する図１に示すとおり、送受信回路１、制御回路２、お
よびメモリ５を備えたデータキャリア１０であって、送
受信回路１の受信周波電力を整流する整流回路７と、整
流回路７の出力電力を蓄える二次電池８を有し、二次電
池８から制御回路２へ駆動電力が供給される。A data carrier according to the present invention, which has been made to achieve the above object, comprises a transmitting / receiving circuit 1, a control circuit 2, and a memory 5, as shown in FIG. A data carrier 10 comprising a rectifier circuit 7 for rectifying the reception frequency power of the transmission / reception circuit 1 and a secondary battery 8 for storing the output power of the rectifier circuit 7, and driving power from the secondary battery 8 to the control circuit 2. Is supplied.
【０００８】本発明のデータキャリア１０では、質問器
２０（図２参照）から送信した周波電力は送受信回路１
で受信されて制御回路２に入力し、その入力信号にもと
づいて、制御回路２はメモリ５から必要な情報データを
読取り、送受信回路１に出力する。送受信回路１はその
情報データを質問器２０に送信することで、データキャ
リア１０は質問器２０の質問に応える。一方、送受信回
路１で受信した周波電力は整流回路７で整流されて二次
電池８に充電され、二次電池８から駆動電力として制御
回路２へ供給される。In the data carrier 10 of the present invention, the frequency power transmitted from the interrogator 20 (see FIG. 2)
The control circuit 2 reads necessary information data from the memory 5 and outputs it to the transmission / reception circuit 1 based on the input signal. The transmission / reception circuit 1 transmits the information data to the interrogator 20, so that the data carrier 10 responds to the inquiry of the interrogator 20. On the other hand, the frequency power received by the transmission / reception circuit 1 is rectified by the rectifier circuit 7 to charge the secondary battery 8, and is supplied from the secondary battery 8 to the control circuit 2 as drive power.
【０００９】そのため、送受信回路１の送信電力を増加
させることができ、送受信性能が向上する。具体的には
質問器２０との間が数メートルまでデータの送受信が可
能となる。その一方で、二次電池８は受信周波電力に起
因する電力供給を受けて充電されるので、蓄電が消耗し
きってしまうことがない。Therefore, the transmission power of the transmission / reception circuit 1 can be increased, and the transmission / reception performance is improved. Specifically, data can be transmitted and received to and from the interrogator 20 up to several meters. On the other hand, the secondary battery 8 is charged by receiving power supplied from the reception frequency power, so that power storage is not exhausted.
【００１０】[0010]
【発明の実施の形態】以下、本発明の好ましい実施例を
図面により詳細に説明する。図１は本発明を適用するデ
ータキャリアの全体ブッロク図である。このデータキャ
リアは、データ通信部、制御部、情報データ記憶部、電
源供給および充電部を備えている。データ通信部は、ル
ープコイルアンテナＬとコンデンサＣからなる共振回路
で構成された送受信回路１である。同調周波数は、後述
する質問器２０（図２参照）の周波数と合わせ、通常、
５０〜５００Ｋｈｚの範囲内に設定される。DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall block diagram of a data carrier to which the present invention is applied. The data carrier includes a data communication unit, a control unit, an information data storage unit, a power supply and a charging unit. The data communication unit is a transmission / reception circuit 1 including a resonance circuit including a loop coil antenna L and a capacitor C. The tuning frequency is usually adjusted to the frequency of the interrogator 20 (see FIG. 2) described later,
It is set within the range of 50 to 500 Khz.
【００１１】この送受信回路１に変調器９ａおよび復調
器９ｂが付加されて制御回路２の出力および入力に接続
される。制御回路２は変換器３および主制御部４からな
り、主制御部４の入出力は情報データ記憶部である書換
可能な固定記憶メモリ（ＲＯＭ）５に接続している。固
定記憶メモリ５には、質問器２０からの問い合わせが予
測される各データキャリアに固有のデータを、図示外の
書き込み装置により書き込まれている。A modulator 9a and a demodulator 9b are added to the transmitting / receiving circuit 1 and connected to the output and input of the control circuit 2. The control circuit 2 includes a converter 3 and a main control unit 4. Inputs and outputs of the main control unit 4 are connected to a rewritable fixed storage memory (ROM) 5 which is an information data storage unit. In the fixed storage memory 5, data unique to each data carrier for which an inquiry from the interrogator 20 is predicted is written by a writing device (not shown).
【００１２】一方、送受信回路１は整流回路７に接続さ
れている。整流回路７の出力は電圧安定回路６aを経て
制御回路２の変換器３および主制御部４の電源入力に接
続されている。さらに電圧安定回路６aを経た整流回路
７の出力は電圧安定回路６ｂを経由して二次電池８に接
続され、二次電池８から変換器３および主制御部４の電
源入力に接続されている。On the other hand, the transmitting / receiving circuit 1 is connected to a rectifier circuit 7. The output of the rectifier circuit 7 is connected to the converter 3 of the control circuit 2 and the power input of the main control unit 4 via the voltage stabilizing circuit 6a. Further, the output of the rectifier circuit 7 via the voltage stabilizing circuit 6a is connected to the secondary battery 8 via the voltage stabilizing circuit 6b, and is connected from the secondary battery 8 to the converter 3 and the power input of the main control unit 4. .
【００１３】図２は、図１に示した本発明のデータキャ
リア１０に書き込まれたデータ内容を問い合わせる質問
器２０の要部ブッロク図である。質問器２０は制御回路
１１にデータ送信部とデータ受信部が連結しているもの
である。データ送信部は発振器１２に接続された変調器
１４にループコイルアンテナとコンデンサからなる共振
送信回路１６で構成されている。データ受信部は復調器
１５にループコイルアンテナとコンデンサからなる共振
受信回路１７で構成されている。また制御回路１１には
データ入力、出力、電源供給の機能機器が接続されてい
る。FIG. 2 is a block diagram of a main part of the interrogator 20 for inquiring the data contents written in the data carrier 10 of the present invention shown in FIG. The interrogator 20 has a data transmission unit and a data reception unit connected to the control circuit 11. The data transmission section is configured by a modulator 14 connected to the oscillator 12 and a resonance transmission circuit 16 including a loop coil antenna and a capacitor. The data receiving section includes a demodulator 15 and a resonance receiving circuit 17 including a loop coil antenna and a capacitor. The control circuit 11 is connected to functional devices for data input, output, and power supply.
【００１４】この質問器２０でデータ入力から制御回路
１１に、問い合わせるべき質問を入力してデータ送信部
からデータキャリア１０に向け周波電力を送信する。デ
ータキャリア１０では、この周波電力を送受信回路１の
ループコイルアンテナＬで受信してコンデンサＣとの同
調をとり、復調器９ｂでデコードされる。そして変換器
３でデジタル変換されて主制御部４から固定記憶メモリ
５に読み取りにゆく。固定記憶メモリ５から主制御部４
で読み取られれた質問の答えのデータは、変換器３でア
ナログ変換され、変調器９ａで周波数変調されて送受信
回路１から送信する。この送信周波数を質問器２０の共
振受信回路１７で受信して復調器２０でデコードし、制
御回路１１は質問の答えとして受け入れ出力機能に送り
出す。The interrogator 20 inputs a question to be inquired to the control circuit 11 from the data input to the control circuit 11 and transmits the frequency power from the data transmission unit to the data carrier 10. In the data carrier 10, this frequency power is received by the loop coil antenna L of the transmission / reception circuit 1, synchronized with the capacitor C, and decoded by the demodulator 9b. The digital data is converted by the converter 3 and read from the main controller 4 to the fixed storage memory 5. From the fixed storage memory 5 to the main control unit 4
The data of the answer to the question read in is converted into an analog signal by the converter 3, frequency-modulated by the modulator 9a, and transmitted from the transmission / reception circuit 1. This transmission frequency is received by the resonance receiving circuit 17 of the interrogator 20 and decoded by the demodulator 20. The control circuit 11 sends out the answer to the question to the accepting output function.
【００１５】一方、送受信回路１で受信した周波電力
は、整流回路７で直流化され電圧安定回路６aを経て変
換器３および主制御部４の動作電源として使用し、さら
に電圧安定回路６ｂで定電圧化されて二次電池８を充電
する。この充電電力を二次電池８は、変換器３および主
制御部４の動作電源として使用する。On the other hand, the frequency power received by the transmission / reception circuit 1 is converted into a direct current by the rectifier circuit 7, passes through the voltage stabilizing circuit 6a, is used as an operating power source for the converter 3 and the main control unit 4, and is further regulated by the voltage stabilizing circuit 6b. The battery is charged to charge the secondary battery 8. The rechargeable battery 8 uses this charging power as an operating power source for the converter 3 and the main control unit 4.
【００１６】[0016]
【発明の効果】以上、詳細に説明したように本発明のデ
ータキャリアは、データ通信により受信した周波電力を
二次電池に蓄え動作電源として使用しているので、電池
のない従来のデータキャリアと比較して格段に送受信性
能が向上する。そのためデータキャリアが質問器からか
なり離れていても使用でき、データキャリアの応用用途
が格段に広がる。しかも二次電池は、質問器から発振し
た周波電力に起因する電力で自動的に充電されるので、
電池が消耗しきってしまうことがなく、電池交換の煩わ
しさや、電池交換のための構造上の制約から解放され
る。また半永久的に使用できるため、非常に経済的でも
ある。As described above in detail, the data carrier of the present invention stores the frequency power received by the data communication in the secondary battery and uses it as an operation power source. The transmission and reception performance is remarkably improved in comparison. Therefore, the data carrier can be used even if it is far away from the interrogator, and the application of the data carrier is greatly expanded. Moreover, since the secondary battery is automatically charged with the power resulting from the frequency power oscillated from the interrogator,
The battery is not exhausted, and the trouble of replacing the battery and the structural restriction for battery replacement are released. It is also very economical because it can be used semi-permanently.
【図１】本発明を適用するデータキャリアの全体ブッロ
ク図である。FIG. 1 is an overall block diagram of a data carrier to which the present invention is applied.
【図２】本発明のデータキャリアに書き込まれたデータ
内容を問い合わせる質問器の要部ブッロク図である。FIG. 2 is a block diagram of a main part of an interrogator for inquiring data content written in a data carrier of the present invention.
１は送受信回路、Ｌはループコイルアンテナ、Ｃはコン
デンサ、２は制御回路、３は変換器、４は主制御部、５
は固定記憶メモリ、６a・６ｂは電圧安定回路、７は整
流回路、８は二次電池、９ａは変調器、９ｂは復調器、
１０はデータキャリア、１１は制御回路、１２は発振
器、１４は変調器、１５は復調器、１６は共振送信回
路、１７は共振受信回路、２０は質問器である。1 is a transmitting / receiving circuit, L is a loop coil antenna, C is a capacitor, 2 is a control circuit, 3 is a converter, 4 is a main control unit, 5
Is a fixed storage memory, 6a and 6b are voltage stabilizing circuits, 7 is a rectifier circuit, 8 is a secondary battery, 9a is a modulator, 9b is a demodulator,
10 is a data carrier, 11 is a control circuit, 12 is an oscillator, 14 is a modulator, 15 is a demodulator, 16 is a resonance transmission circuit, 17 is a resonance reception circuit, and 20 is an interrogator.
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 Ｈ０４Ｑ 9/00 ３０１Ａ Ｈ０４Ｑ 9/00 ３０１ ３４１Ｚ ３４１ Ｇ０６Ｆ 1/00 ３３０Ｆ Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat II (Reference) H04B 5/02 H04Q 9/00 301A H04Q 9/00 301 341Z 341 G06F 1/00 330F
Claims (1)
を備えたデータキャリアであって、該送受信回路の受信
周波電力を整流する整流回路と、該整流回路の出力電力
を蓄える二次電池を有し、該二次電池から制御回路へ駆
動電力が供給されることを特徴とするデータキャリア。1. A data carrier comprising a transmission / reception circuit, a control circuit, and a memory, comprising: a rectification circuit for rectifying a reception frequency power of the transmission / reception circuit; and a secondary battery for storing output power of the rectification circuit. A data carrier, wherein driving power is supplied from the secondary battery to a control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4757999A JP2000242756A (en) | 1999-02-25 | 1999-02-25 | Data carrier having charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4757999A JP2000242756A (en) | 1999-02-25 | 1999-02-25 | Data carrier having charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000242756A true JP2000242756A (en) | 2000-09-08 |
Family
ID=12779172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4757999A Pending JP2000242756A (en) | 1999-02-25 | 1999-02-25 | Data carrier having charging function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000242756A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002071328A1 (en) * | 2001-03-02 | 2002-09-12 | Schlumberger Systemes | Integrated circuit card with built-in power supply |
| US7142117B2 (en) | 2003-04-01 | 2006-11-28 | Seiko Epson Corporation | Electronic circuit for contactless tag, and contactless tag |
| JP2011527558A (en) * | 2008-07-07 | 2011-10-27 | パワーバイプロキシ リミテッド | Non-contact power receiving apparatus and operation method thereof |
| US9318780B2 (en) | 2010-11-16 | 2016-04-19 | Powerbyproxi Limited | Wirelessly rechargeable battery and power transmitter |
-
1999
- 1999-02-25 JP JP4757999A patent/JP2000242756A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002071328A1 (en) * | 2001-03-02 | 2002-09-12 | Schlumberger Systemes | Integrated circuit card with built-in power supply |
| US7142117B2 (en) | 2003-04-01 | 2006-11-28 | Seiko Epson Corporation | Electronic circuit for contactless tag, and contactless tag |
| JP2011527558A (en) * | 2008-07-07 | 2011-10-27 | パワーバイプロキシ リミテッド | Non-contact power receiving apparatus and operation method thereof |
| US9124113B2 (en) | 2008-07-07 | 2015-09-01 | Powerbyproxi Limited | Inductively coupled power receiver and method of operation |
| US9318780B2 (en) | 2010-11-16 | 2016-04-19 | Powerbyproxi Limited | Wirelessly rechargeable battery and power transmitter |
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