JP3494067B2 - Base station communication device and power supply method for portable wireless communication device - Google Patents
Base station communication device and power supply method for portable wireless communication deviceInfo
- Publication number
- JP3494067B2 JP3494067B2 JP07558799A JP7558799A JP3494067B2 JP 3494067 B2 JP3494067 B2 JP 3494067B2 JP 07558799 A JP07558799 A JP 07558799A JP 7558799 A JP7558799 A JP 7558799A JP 3494067 B2 JP3494067 B2 JP 3494067B2
- Authority
- JP
- Japan
- Prior art keywords
- communication device
- base station
- antenna
- dte
- circuit
- 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.)
- Expired - Fee Related
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Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＩＣカードのよう
な携帯用無線装置（ＤＴＥ）に、基地局通信装置（ＤＣ
Ｅ）から電磁誘導を介して動作電力を供給し、通信を行
う基地局通信装置及び携帯無線通信装置への電力供給方
法に関する。The present invention relates to a portable radio equipment (DTE) such as an IC card and a base station communication equipment (DC).
The present invention relates to a method for supplying power to a base station communication device and a portable wireless communication device that supply operating power from E) via electromagnetic induction and perform communication .
【０００２】[0002]
【従来の技術】携帯無線通信装置（ＤＴＥ；Data Termi
nating Equipment）は、接触型携帯通信装置のように外
部に電極を持たないため経時変化に強い。また、この携
帯無線通信装置（ＤＴＥ）と通信を行う基地局通信装置
（ＤＣＥ；Data Circuit Terminating Equipment）も電
極部や通信機器出し入れに伴う可動機械部がないため日
常の維持管理労力が大幅に軽減される。さらに、携帯無
線通信装置（ＤＴＥ）内部の集積回路にＩＤ番号、デー
タなどを記録でき暗号処理機能などを保有することによ
りセキュリティが確保できるなどの利点があり、テレホ
ンカードやバス・電車乗車券、高速道路の料金徴収など
様々な分野での応用が期待されている。この携帯無線通
信装置（ＤＴＥ）に本発明を用いることにより、単機能
カードから多機能カード、及び例えばテレフォンカード
と定期券または乗車券などを兼ねた様な複合カード、電
子マネー用カードなど、電力消費量の違う多種多様の携
帯無線通信装置（ＤＴＥ）を同一の基地局通信装置（Ｄ
ＣＥ）で一元的に処理することができ、情報通信産業及
び電子商取引の分野においてきわめて有効である。この
分野の従来の技術として、本出願人が先に出願して公開
された特開平１１−３１８０４６号公報がある。2. Description of the Related Art Portable wireless communication equipment (DTE; Data Termi)
NATing Equipment) is strong in order through the time change in no electrodes to the outside as a contact-type portable communication device. Also, the base station communication device (DCE; Data Circuit Terminating Equipment) that communicates with this portable wireless communication device (DTE) does not have an electrode part or a movable mechanical part associated with taking in and out of the communication device, so daily maintenance work is greatly reduced. To be done. Furthermore, there is an advantage that security can be ensured by storing ID numbers, data, etc. in an integrated circuit inside a mobile radio communication device (DTE), and by having a cryptographic processing function, a telephone card, a bus / train ticket, It is expected to be applied in various fields such as highway toll collection. By using the present invention in this portable wireless communication device (DTE), a single-function card to a multi-function card, and a composite card such as a telephone card and a commuter pass or a ticket, an electronic money card, and the like can be used. A wide variety of portable wireless communication devices (DTEs) with different consumptions can be connected to the same base station communication device (D
It can be centrally processed by CE) and is extremely effective in the fields of information and communication industry and electronic commerce. As a conventional technology in this field , the applicant first applied and published
There is Japanese Patent Laid-Open No. 11-318046 .
【０００３】高いセキュリティを持つ携帯無線通信装置
（ＤＴＥ）が磁気カードや接触型ＩＣカードなどの接触
型携帯通信装置に代わって使用されるようになってきて
いる。この携帯無線通信装置（ＤＴＥ）、一例として非
接触ＩＣカードでは内部の集積回路部への電力は電磁結
合（電磁波）を利用して、基地局通信装置（ＤＣＥ）か
ら供給され、かつ同時に、この電磁波は相互通信の目的
にも共用される。通常、想定する携帯無線通信装置（Ｄ
ＴＥ）の消費電力に合わせて、供給する電力を設計して
いるが、高機能な携帯無線通信装置（ＤＴＥ）はより多
くの電力を要求する。[0003] Portable wireless communication devices (DTE) having high security have been used in place of contact type portable communication devices such as magnetic cards and contact type IC cards. In this portable wireless communication device (DTE), as an example, a non-contact IC card, power to the internal integrated circuit section is supplied from the base station communication device (DCE) by utilizing electromagnetic coupling (electromagnetic wave), and at the same time, Electromagnetic waves are also shared for mutual communication purposes. Usually, a portable wireless communication device (D
The power to be supplied is designed according to the power consumption of TE), but a high-performance portable wireless communication device (DTE) requires more power.
【０００４】しかし、供給電力を増加させることは、電
波法などの法規制に抵触するのみならず、周囲の電子機
器への影響もあり、むやみに増加させることはできな
い。また、携帯無線通信装置（ＤＴＥ）の受信アンテナ
の共振周波数は、複数が同時に使用される場合、アンテ
ナ間の結合で共振周波数が小さくなるため、通常、基地
局通信装置（ＤＣＥ）の送信アンテナの共振周波数より
大きな共振周波数に設計されることが多い。しかし、１
つの携帯無線通信装置（ＤＴＥ）を使用する場合で、電
力伝送効率が低下し、想定数以上の携帯無線通信装置
（ＤＴＥ）の利用では、共振周波数が下がり過ぎて、電
力伝送効率が低下するという問題点があった。However, increasing the supply power is
Not only does it violate laws such as the Wave Law,
There is also an impact on the vessels and it cannot be increased unnecessarily
Yes. Also, mobile wireless communicationapparatus(DTE) receiving antenna
The resonant frequency of the
Since the resonance frequency becomes smaller due to the coupling between the
Station communicationapparatusFrom the resonance frequency of the (DCE) transmitting antenna
Often designed for large resonant frequencies. But 1
Mobile wireless communicationapparatusIf you use (DTE),
Power transmission efficiency is reduced, and more than the expected number of mobile wireless communicationsapparatus
When using (DTE), the resonance frequency drops too much,
There is a problem that the power transmission efficiency is reduced.
【０００５】[0005]
【発明が解決しようとする課題】携帯無線通信装置（Ｄ
ＴＥ）は基地局通信装置（ＤＣＥ）から動作可能通信範
囲内であれば、基地局通信装置（ＤＣＥ）と離れた状態
でも動作させることができるため扱いが非常に容易であ
る。また、通信機器表面に電気的端子を持たないため湿
気や塵埃に強い、記憶内容が内部に閉ざされているため
高いセキュリティを持つなどの特徴を有し、そのため広
範囲な用途への適用が期待されている。A portable wireless communication device (D
TE) is as long as the operable communication range of the base station communication device (DCE), handling because it can be operated even when a distance between the base station communication device (DCE) is very easy. In addition, since it has no electrical terminals on the surface of communication equipment, it is resistant to moisture and dust, and it has high security because the stored contents are closed inside, so it is expected to be applied to a wide range of applications. ing.
【０００６】しかし、基地局通信装置（ＤＣＥ）の通信
範囲内に複数台の携帯無線通信装置（ＤＴＥ）が存在す
る場合は、携帯無線通信装置間の相互結合のため、基地
局通信装置（ＤＣＥ）からみた携帯無線通信装置（ＤＴ
Ｅ）の共振周波数が低下して、携帯無線通信装置（ＤＴ
Ｅ）の受信電力が低下する。このため、携帯無線通信装
置（ＤＴＥ）それぞれ１台の場合の共振周波数を高めに
設計することによって、複数台の携帯無線通信装置（Ｄ
ＴＥ）と基地局通信装置（ＤＣＥ）との通信を可能にし
ている。However, when the base station communication apparatus a plurality within the communication range of (DCE) portable radio communication device (DTE) is present, because of the mutual coupling between the portable radio communication device, a base station communication device (DCE ) Mobile wireless communication device (DT
The resonance frequency of E) is lowered, and the portable wireless communication device (DT)
The received power of E) decreases. Therefore, the mobile wireless communication device
A plurality of portable wireless communication devices (DTE) are designed by designing a high resonance frequency in the case of one device (DTE) each.
TE) and the base station communication device (DCE).
【０００７】しかし、この場合、１台の携帯無線通信装
置（ＤＴＥ）の場合、共振周波数のずれが大きくなり、
受信できる電力が小さくなるという問題点があった。今
後、ＣＰＵなどを搭載した高機能携帯無線通信装置（Ｄ
ＴＥ）が、広く使用されるようになれば、各携帯無線通
信装置（ＤＴＥ）における電力要求量も増すと考えられ
る。そのため、１台から複数台まで同時に使用可能な携
帯無線通信装置（ＤＴＥ）のアンテナ設計が困難になる
という問題点があった。However, in this case, one portable wireless communication device is used.
In the case of DTE, the deviation of the resonance frequency becomes large,
There is a problem that the power that can be received becomes small. In the future, high-performance portable wireless communication devices (D
If TE) becomes widely used, it is considered that the amount of power demand in each portable wireless communication device (DTE) also increases. Therefore, there is a problem in that it is difficult to design an antenna of a portable wireless communication device (DTE) that can be used by one to a plurality of devices at the same time.
【０００８】そこで、電力伝送効率の優れ、１台から複
数台まで同時に携帯無線通信装置（ＤＴＥ）が使用可能
な携帯無線通信装置及び基地局通信装置間での電力供給
通信装置が求められている。[0008] Therefore, excellent power transmission efficiency, the power supply communication system between one mobile radio communication device at the same time a plurality of (DTE) which are available portable radio communication device and a base station communication apparatus is demanded .
【０００９】本発明は、携帯無線通信装置（ＤＴＥ）に
高効率で電力を基地局通信装置（ＤＣＥ）から電磁誘導
を介して供給することによって、１枚または複数の携帯
無線通信装置（ＤＴＥ）の使用を実現することを目的と
する。The present invention provides one or more portable wireless communication devices (DTE) by supplying power to the portable wireless communication devices (DTE) with high efficiency from a base station communication device (DCE) via electromagnetic induction. The purpose is to realize the use of.
【００１０】[0010]
【課題を解決するための手段】上記の問題は、複数の携
帯無線通信装置（ＤＴＥ）間でアンテナの結合が発生
し、基地局通信装置（ＤＣＥ）のアンテナからみた、携
帯無線通信装置（ＤＴＥ）の共振周波数が低下すること
にあった。そこで、基地局通信装置（ＤＣＥ）の送受信
アンテナに対向する共振周波数の制御可能な共振回路を
持つことによって、基地局通信装置（ＤＣＥ）から１台
及び複数台の携帯無線通信装置（ＤＴＥ）への電力伝送
効率を上げることができる。The above problem [Summary of] the plurality of coupling of the portable radio communication device (DTE) between the antenna occurs, viewed from the antenna of the base station communication device (DCE), a portable radio communication device (DTE ), The resonance frequency was lowered. Therefore, by having a controllable resonant circuit of opposed resonance frequency transceiver antennas of the base station communication device (DCE), to the base station communication apparatus portable radio communication apparatus of one and a plurality of (DCE) (DTE) The power transmission efficiency can be improved.
【００１１】即ち、本願発明によれば、基地局通信装置
（ＤＣＥ）が、無線送受信機構及び送受信用アンテナの
他に、送受信用アンテナに対向して設けられ共振周波数
の制御可能な対向アンテナ（共振回路）と、対向アンテ
ナ（共振回路）の共振周波数を可変制御する制御回路と
を具備しており、この制御回路が、対向アンテナ（共振
回路）に流れる電流が最大となるように対向アンテナ
（共振回路）の共振周波数を可変制御することによっ
て、携帯無線通信装置（ＤＴＥ）のアンテナの共振周波
数を制御し、基地局通信装置（ＤＣＥ）から携帯無線通
信装置（ＤＴＥ）への電力伝送効率を向上するように構
成されている。 That is, according to the present invention, the base station communication device
(DCE) is a wireless transmission / reception mechanism and a transmission / reception antenna.
In addition, the resonance frequency is provided facing the transmitting / receiving antenna.
Controllable counter antenna (resonant circuit) and counter antenna
A control circuit that variably controls the resonance frequency of the
This control circuit is equipped with a counter antenna (resonance
Counter antenna so that the current flowing through the circuit) becomes maximum
By variably controlling the resonance frequency of the (resonance circuit)
And the resonance frequency of the antenna of the mobile wireless communication device (DTE)
Control the number of mobile phones from the base station communication device (DCE).
It is designed to improve the efficiency of power transmission to the receiving equipment (DTE).
Is made.
【００１２】本発明によると、基地局通信装置（ＤＣ
Ｅ）から携帯無線通信装置（ＤＴＥ）への電力送信を高
効率化できるため、携帯無線通信装置（ＤＴＥ）の拡張
性、多機能性を殺ぐことなく、１台の基地局通信装置
（ＤＣＥ）で複数台の携帯無線通信装置（ＤＴＥ）との
通信が可能となる。また、電力伝送効率を改善するため
に、基地局通信装置（ＤＣＥ）と携帯無線通信装置（Ｄ
ＴＥ）のアンテナ以外の第３のアンテナである対向アン
テナ（共振回路）を用いて携帯無線通信装置（ＤＴＥ）
の共振周波数を制御している。 According to the present invention, base station communicationapparatus(DC
E) to mobile wireless communicationapparatusHigher power transmission to (DTE)
Mobile wireless communication due to increased efficiencyapparatus(DTE) extension
Single base station communication without sacrificing performance and multi-functionalityapparatus
(DCE) multipleStandMobile wireless communicationapparatusWith (DTE)
Communication becomes possible.Also, to improve power transmission efficiency
The base station communication device (DCE) and the portable wireless communication device (D
TE) which is a third antenna other than the antenna
Portable wireless communication device (DTE) using tena (resonant circuit)
It controls the resonance frequency of.
【００１３】また、基地局通信装置（ＤＣＥ）の送信電
力をモニターすることによって、基地局通信装置（ＤＣ
Ｅ）と携帯無線通信装置（ＤＴＥ）のアンテナ以外の第
３のアンテナナである対向アンテナ（共振回路）の共振
周波数を最適化している。Further, by monitoring the transmission power of the base station communication device (DCE), the base station communication device (DC
E) and you are optimized resonant frequency of the portable radio communication device (DTE) Third other than the antenna of the antenna Na and is opposite the antenna (resonant circuit).
【００１４】また、携帯無線通信装置（ＤＴＥ）が要求
に応じて、基地局通信装置（ＤＣＥ）に出力の増加する
機構を有する。Further, the portable radio communication device (DTE) has a mechanism for increasing the output to the base station communication device (DCE) in response to a request.
【００１５】また、携帯無線通信装置（ＤＴＥ）と基地
局通信装置（ＤＣＥ）での電力伝送量の上限を過負荷回
避用回路で決めることによって、法規制などの条件を満
足することができる。Further, by determining the upper limit of the amount of power transmission in the portable radio communication device (DTE) and the base station communication device (DCE) by the overload avoiding circuit, it is possible to satisfy the conditions such as legal regulations.
【００１６】[0016]
【発明の実施の形態】以下、本発明を実施例に沿って説
明する。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to Examples.
【００１７】［実施例１］
本発明による基地局通信装置（ＤＣＥ）の１つの利用形
態であるリーダ／ライタ１０は、図１に示すようにリー
ダ／ライタ送受信用アンテナ部１２と回路部１４（内
蔵）及び共振周波数調整用対向アンテナ１６を持ってい
る。[First Embodiment] As shown in FIG. 1, a reader / writer 10 which is one mode of use of a base station communication device (DCE) according to the present invention includes a reader / writer transmitting / receiving antenna section 12 and a circuit section 14 ( It has a built-in antenna) and a counter antenna 16 for resonance frequency adjustment.
【００１８】図２Ａはリーダ／ライタ１０のブロック図
で、その内蔵電子回路１４は、無線送受信機構と、供給
電力制御機構と、過負荷回避用回路と、記憶処理回路
と、サービス提供機構とを有し、外部ネットワークに結
合している。また、携帯無線通信装置（ＤＴＥ）に電力
を供給すると共に通信を行うための送受信アンテナ１２
を具備する。FIG. 2A is a block diagram of the reader / writer 10. The built-in electronic circuit 14 includes a wireless transmission / reception mechanism, a power supply control mechanism, an overload avoidance circuit, a storage processing circuit, and a service providing mechanism. Have and are coupled to external networks. In addition, a transmission / reception antenna 12 for supplying electric power to the portable wireless communication device (DTE) and performing communication.
It is equipped with.
【００１９】図２Ｂは共振回路１６のブロック図で電流
検査回路、制御回路、チューニング回路、過負荷回避用
回路を含み、送受信アンテナ１２と対向する共振回路１
６を有する。この基地局通信装置（ＤＣＥ）の開口部Ａ
に、携帯無線通信装置（ＤＴＥ）の一例である非接触Ｉ
Ｃカード１８を１枚または複数枚挿入することにより、
携帯無線通信装置（ＤＴＥ）は基地局通信装置（ＤＣ
Ｅ）と電波を用いて通信することが可能となる。FIG. 2B is a block diagram of the resonance circuit 16, which includes a current inspection circuit, a control circuit, a tuning circuit, an overload avoidance circuit, and the resonance circuit 1 facing the transmission / reception antenna 12.
Have six. Opening A of the base station communication apparatus (D C E)
In addition, a non-contact I which is an example of a portable wireless communication device (DTE)
By inserting one or more C cards 18,
A portable radio communication device (DTE) is a base station communication device (DC
It is possible to communicate with E) using radio waves.
【００２０】１枚の非接触ＩＣカードの場合、共振周波
数が大きくずれているため、リーダ／ライタからの電力
伝送効率が悪くなり、通信範囲及びカード起動電力が不
足する可能性がある。そこで、共振周波数調整用対向ア
ンテナに流れる電流を電流検査回路で、モニターして、
最大の電流が流れるように制御回路が、チューニング回
路１７のインダクタンスまたはキャパシタンスを調整し
て、共振周波数を最適値に設定して、電力伝送効率を最
適化する。この際の手順を図４に示す。In the case of one non-contact IC card, since the resonance frequency is largely deviated, the power transmission efficiency from the reader / writer may be deteriorated, and the communication range and the card starting power may be insufficient. Therefore, the current flowing through the opposing antenna for resonance frequency adjustment is monitored by the current inspection circuit,
The control circuit adjusts the inductance or capacitance of the tuning circuit 17 so that the maximum current flows, and sets the resonance frequency to the optimum value to optimize the power transmission efficiency. The procedure at this time is shown in FIG.
【００２１】図４において、始めにＤＣＥがＤＴＥの挿
入を検出する（４０）。次いで、チューニング回路を流
れる電流をモニターし（４２）、チューニング回路の共
振周波数を調節する（４４）。そしてモニター電流が最
大となる最良のチューニング状態に設定する（４４）。
設定後、ＤＣＥとＤＴＥの通信を開始する（４８）。In FIG. 4, the DCE first detects the insertion of the DTE (40). The current flowing through the tuning circuit is then monitored (42) and the resonant frequency of the tuning circuit is adjusted (44). Then, it is set to the best tuning state in which the monitor current becomes maximum (44).
After setting, communication between DCE and DTE is started (48).
【００２２】次に、複数枚の非接触ＩＣカードの場合、
非接触ＩＣカード間の結合で、共振周波数は下がる。そ
こで、図５に示すように、共振周波数調整用対向アンテ
ナを開放することによって、共振周波数に与える影響を
回避する。本発明を用いることによって、非接触ＩＣカ
ードの枚数にかかわらず、効率の良い電力伝送が実現で
きる。Next, in the case of a plurality of non-contact IC cards,
The resonance frequency is lowered due to the coupling between the non-contact IC cards. Therefore, as shown in FIG. 5, the influence on the resonance frequency is avoided by opening the resonance frequency adjusting opposing antenna. By using the present invention, efficient power transmission can be realized regardless of the number of non-contact IC cards.
【００２３】［実施例２］
本発明による基地局通信装置（ＤＣＥ）の１つの利用形
態であるリーダ／ライタの共振周波数調整用対向アンテ
ナ及びチューニング回路を用いて、共振周波数を下げ
て、電力伝送効率を最適化したのち非接触ＩＣカードよ
り、送信電力の増加の要求があった場合、図６に示す手
順に従い、リーダ／ライタからの電力を増加させること
ができる。基地局通信装置（ＤＣＥ）内部にリーダ／ラ
イタ送受信用アンテナに流れる電流をモニターすること
により、法規制や非接触ＩＣカードの受電耐電圧を越え
ないように制御する過負荷回避用回路が組み込まれてい
る。[Embodiment 2] The resonance frequency is lowered by using the opposing antenna and the tuning circuit for adjusting the resonance frequency of the reader / writer, which is one usage mode of the base station communication device (DCE) according to the present invention, and the power transmission. After the efficiency is optimized, if there is a request from the contactless IC card to increase the transmission power, the power from the reader / writer can be increased according to the procedure shown in FIG. An overload avoidance circuit is incorporated in the base station communication device (DCE) to monitor the current flowing in the reader / writer transmitting / receiving antenna so as not to exceed the withstand voltage of the contactless IC card. ing.
【００２４】図６において、ＤＣＥがＤＴＥの挿入を検
出し（６０）、チューニング状態を最良の状態に設定し
て（６２）、ＤＣＥとＤＴＥの通信を開始する（６
４）。その後、ＤＣＥがＤＴＥの電力増要求を受信する
と（６６）、ＤＣＥは送信電力を増加する（６８）。こ
のとき、過負荷回避用回路が、送信電力が規定値の範囲
内か否かをチェックし（７０）、規定値を越えるときは
ＤＣＥは送信電力の増加を停止する（７２）。一方、Ｄ
ＴＥから送信電力増加停止要求を受信すると（７４）、
ＤＣＥは送信電力増加を停止する。In FIG. 6, the DCE detects the insertion of the DTE (60), sets the tuning state to the best state (62), and starts the communication between the DCE and the DTE (6).
4). Thereafter, when the DCE receives the DTE power increase request (66), the DCE increases the transmission power (68). At this time, the overload avoidance circuit checks whether the transmission power is within the range of the specified value (70), and if it exceeds the specified value, the DCE stops the increase of the transmission power (72). On the other hand, D
When the transmission power increase stop request is received from the TE (74),
DCE stops increasing the transmission power.
【００２５】本発明は、上述の実施例に限定されるもの
ではなく、本発明の要旨に含まれる全ての変形を含む。
また、上述のある種の手段は、その目的を果たさない変
形において、除去しても良い。The present invention is not limited to the above-mentioned embodiments, but includes all modifications included in the gist of the present invention.
Also, some of the above-described means may be eliminated in modifications that do not serve their purpose.
【００２６】[0026]
【発明の効果】以上に述べたように、本発明に示す基地
局通信装置（ＤＣＥ）は共振周波数調整可能な対向アン
テナを有し、携帯無線通信装置（ＤＴＥ）との間での電
力伝送効率を高めることができる。また、携帯無線通信
装置（ＤＴＥ）からの要求に応じて、法規制等の条件内
で、基地局通信装置（ＤＣＥ）に出力の増加する機構を
有する。さらに、本発明の基地局通信装置（ＤＣＥ）を
用いて使用可能な携帯無線通信装置（ＤＴＥ）の台数を
増やすために、１台時の共振周波数を高めに設計するこ
とが可能となり、１台の基地局通信装置（ＤＣＥ）に対
して、より多くの携帯無線通信装置（ＤＴＥ）との交信
が可能となる。As described above, the base station communication device (DCE) according to the present invention has the opposing antenna whose resonance frequency can be adjusted, and the power transmission efficiency with the portable radio communication device (DTE). Can be increased. Also, mobile wireless communication
In response to a request from the device (DTE), the base station communication device (DCE) has a mechanism for increasing the output within the conditions such as regulations. Further, in order to increase the number of portable wireless communication devices (DTE) that can be used by using the base station communication device (DCE) of the present invention, it is possible to design the resonance frequency at the time of one device higher. The base station communication device (DCE) can communicate with more mobile wireless communication devices (DTE).
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明における基地局通信装置（ＤＣＥ）の１
つの利用形態であるリーダ／ライタの概略図を示す。FIG. 1 is a block diagram of a base station communication device (DCE) according to the present invention.
The schematic diagram of the reader / writer which is one utilization form is shown.
【図２Ａ】本発明における基地局通信装置（ＤＣＥ）の
ブロック図である。FIG. 2A is a block diagram of a base station communication device (DCE) according to the present invention.
【図２Ｂ】本発明における共振周波数調整用対向アンテ
ナと電気回路部の概略図を示す。FIG. 2B is a schematic view of a counter antenna for resonance frequency adjustment and an electric circuit unit according to the present invention.
【図３】本発明における基地局通信装置（ＤＣＥ）の１
つの利用形態であるリーダ／ライタを用いて、１枚の非
接触ＩＣカード使用時の共振周波数と、対向アンテナに
よって、チューニングした場合の共振周波数の変化を説
明する図である。FIG. 3 shows a base station communication device (DCE) 1 according to the present invention.
It is a figure explaining the resonance frequency at the time of using one non-contact IC card using the reader / writer which is one utilization form, and the change of the resonance frequency at the time of tuning with a counter antenna.
【図４】本発明における基地局通信装置（ＤＣＥ）と携
帯無線通信装置（ＤＴＥ）間の電力伝送効率を上げる手
順を説明する図である。FIG. 4 is a diagram illustrating a procedure for increasing power transmission efficiency between a base station communication device (DCE) and a mobile wireless communication device (DTE) according to the present invention.
【図５】本発明における基地局通信装置（ＤＣＥ）の１
つの利用形態であるリーダ／ライタを用いて、複数枚の
非接触ＩＣカード使用時の共振周波数低下と、対向アン
テナを開放した場合の共振周波数を説明する図である。FIG. 5 is a base station communication device (DCE) 1 according to the present invention.
It is a figure explaining the resonance frequency fall at the time of using a plurality of non-contact IC cards, and the resonance frequency when an opposite antenna is opened, using a reader / writer which is one utilization mode.
【図６】本発明における基地局通信装置（ＤＣＥ）と携
帯無線通信装置（ＤＴＥ）間の通信及び電力制御手順を
説明する図である。FIG. 6 is a diagram illustrating a communication and power control procedure between a base station communication device (DCE) and a mobile wireless communication device (DTE) according to the present invention.
１０ リーダ／ライタ １２ 送受信用アンテナ １４ 内蔵電子回路 １６ 対向アンテナ １７ チューニング回路 １８ 携帯無線装置 Ａ 開口部 10 Reader / Writer 12 Transmitting / receiving antenna 14 Built-in electronic circuit 16 opposite antenna 17 Tuning circuit 18 Portable radio equipment A opening
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大谷 佳光 東京都新宿区西新宿三丁目19番２号 日 本電信電話株式会社内 (56)参考文献 特開 昭62−8281（ＪＰ，Ａ) 特開 平５−128319（ＪＰ，Ａ) 特開 平６−133476（ＪＰ，Ａ) 特開 平７−131376（ＪＰ，Ａ) 特開 平８−7059（ＪＰ，Ａ) 特開 平９−62816（ＪＰ，Ａ) 特開 平10−145987（ＪＰ，Ａ) 特開 平11−266545（ＪＰ，Ａ) 特開 平11−318046（ＪＰ，Ａ) 特開 平11−341690（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) G06K 19/07 H02J 17/00 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshimitsu Otani 3-19-2 Nishishinjuku, Shinjuku-ku, Tokyo Nihon Telegraph and Telephone Corporation (56) Reference JP 62-8281 (JP, A) JP-A-5-128319 (JP, A) JP-A-6-133476 (JP, A) JP-A-7-131376 (JP, A) JP-A-8-7059 (JP, A) JP-A-9-62816 (JP, A) JP 10-145987 (JP, A) JP 11-266545 (JP, A) JP 11-318046 (JP, A) JP 11-341690 (JP, A) (JP, A) 58) Fields investigated (Int.Cl. 7 , DB name) G06K 19/07 H02J 17/00
Claims (4)
（ＤＴＥ）への動作電力の供給を電磁誘導を介して行
う、無線送受信機構と送受信用アンテナとを有する基地
局通信装置（ＤＣＥ）において、前記送受信用アンテナに対向して設けられ 共振周波数の
制御可能な対向アンテナ（共振回路）と、 前記対向アンテナ（共振回路）の共振周波数を可変制御
する制御回路とを具備し、 前記制御回路が、前記対向アンテナ（ 共振回路）に流れ
る電流が最大となるように前記対向アンテナ（共振回
路）の共振周波数を可変制御することによって、前記１
台または複数台の携帯無線通信装置（ＤＴＥ）のアンテ
ナの共振周波数を制御し、当該基地局通信装置（ＤＣ
Ｅ）から前記１台または複数台の携帯無線通信装置（Ｄ
ＴＥ）への電力伝送効率を向上するように構成されてい
ることを特徴とする基地局通信装置。1.One or moreMobile wireless communicationapparatus
Supply of operating power to (DTE) via electromagnetic induction
U, with a wireless transceiverTransmitting / receiving antennaBase with
In the station communication equipment (DCE),Provided opposite to the transmitting / receiving antenna Resonant frequency
controlPossibleCounter antenna (Resonant circuit)When, Variable control of the resonance frequency of the opposing antenna (resonance circuit)
And a control circuit for The control circuit includes the counter antenna ( Resonant circuit)Flow to
CurrentThe opposite antenna (resonance times
Road)Resonance frequencyAllowedBy controlling1
One or moreMobile wireless communicationapparatus(DTE)Ante
Control the resonance frequency of theBase station communicationapparatus(DC
From E)The aboveOne or more mobile wireless communicationapparatus(D
Power to TE)Configured to improve transmission efficiency
RuA base station communication device characterized by the above.
た送信電力変化の要求に応じて送信電力を変化させる供
給電力制御機構を具備することを特徴とする請求項１に
記載の基地局通信装置。2. Receiving from a portable wireless communication device (DTE)
The transmission power is changed according to the transmission power change request.
The base station communication apparatus according to claim 1, characterized in that it comprises a supply power control mechanism.
ニターすることにより、送信電力が規定値の範囲を越え
ないように制御する過負荷回避用回路を具備することを
特徴とする請求項１または２に記載の基地局通信装置。3. The current flowing through the transmitting / receiving antenna is monitored.
The transmission power exceeds the specified range by
By including an overload avoidance circuit for controlling so as not
The base station communication device according to claim 1, wherein the base station communication device is a base station communication device.
送受信用アンテナに対向して設けられ共振周波数の制御
可能な対向アンテナ（共振回路）と該対向アンテナ（共
振回路）の共振周波数を可変制御する制御回路とを有す
る基地局通信装置（ＤＣＥ）が、１台または複数台の携
帯無線通信装置（ＤＴＥ）への動作電力供給を電磁誘導
を介して行う、携帯無線通信装置への電力供給方法にお
いて、前記制御回路が、前記対向アンテナ（ 共振回路）に流れ
る電流が最大となるように前記対向アンテナ（共振回
路）の共振周波数を可変制御することによって、前記１
台または複数台の携帯無線通信装置（ＤＴＥ）のアンテ
ナの共振周波数を制御し、当該基地局通信装置（ＤＣ
Ｅ）から前記１台または複数台の携帯無線通信装置（Ｄ
ＴＥ）への電力伝送効率を向上することを特徴とする携
帯無線通信装置への電力供給方法。4. A wireless transmission / reception mechanism, a transmission / reception antenna, and
Resonance frequency control provided facing the transmitting / receiving antenna
Possible counter antenna (resonance circuit) and the counter antenna (common
Control circuit that variably controls the resonance frequency of the vibration circuit).
That the base station communication device (DCE) is carried out via one or a plurality of portable radio communication device operating power supply conductive magnetic induction to (DTE), the power supply method to the portable wireless communication device, the control The counter antenna ( resonance circuit ) so that the current flowing through the counter antenna ( resonance circuit ) becomes maximum.
By variable controls the resonance frequency of the road), the 1
Table or a plurality of portable radio communication apparatus antenna of (DTE)
The base station communication device (DC
Wherein from E) 1 single or a plurality of portable radio communication device (D
A method of supplying power to a portable wireless communication device, characterized in that the efficiency of power transfer to TE) is improved .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07558799A JP3494067B2 (en) | 1999-03-19 | 1999-03-19 | Base station communication device and power supply method for portable wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07558799A JP3494067B2 (en) | 1999-03-19 | 1999-03-19 | Base station communication device and power supply method for portable wireless communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000270501A JP2000270501A (en) | 2000-09-29 |
| JP3494067B2 true JP3494067B2 (en) | 2004-02-03 |
Family
ID=13580493
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07558799A Expired - Fee Related JP3494067B2 (en) | 1999-03-19 | 1999-03-19 | Base station communication device and power supply method for portable wireless communication device |
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| Country | Link |
|---|---|
| JP (1) | JP3494067B2 (en) |
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