JPH07312212A - Charging/discharging type battery - Google Patents
Charging/discharging type batteryInfo
- Publication number
- JPH07312212A JPH07312212A JP6103680A JP10368094A JPH07312212A JP H07312212 A JPH07312212 A JP H07312212A JP 6103680 A JP6103680 A JP 6103680A JP 10368094 A JP10368094 A JP 10368094A JP H07312212 A JPH07312212 A JP H07312212A
- Authority
- JP
- Japan
- Prior art keywords
- charging
- type battery
- capacity
- charge
- discharge type
- 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.)
- Withdrawn
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は充・放電型電池に係
り、特に容量・機種による判別を容易に、また確実に成
し得る充・放電型電池に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charge / discharge type battery, and more particularly to a charge / discharge type battery which can be easily and surely discriminated by capacity / model.
【０００２】[0002]
【従来の技術】周知のように、充・放電型電池は、たと
えば携帯電話機など、各種の電子機器類の電源として実
用されている。そして、この種の充・放電型電池は、容
量・機種に対応して適正な条件、すなわち適正な充電速
度（充電電流），充電制御での充電が要求される。つま
り、この種の充・放電型電池は、前記のごとく、携帯電
話機などの電子機器類の駆動源として利用され、放電に
伴って電池電圧がしきい値以下に低下すると、充電量が
限界に到達したことが表示される。ここで、充電量が限
界に来ると、充・放電型電池は駆動源としての機能を十
分に果たし得ないし、さらには充・放電型電池の破損を
招来する恐れもある。したがって、前記駆動源としての
利用においては、充電量，放電状態などに適切に対応し
て、所要の充電を行うことになる。ところで、充・放電
型電池は、電池の種類，容量・機種などによって、充電
速度・充電条件も異なるので、電池の種類，容量・機種
ごとに、適正な充電速度（充電電流），充電制御での充
電が必要となる。2. Description of the Related Art As is well known, a charge / discharge type battery is practically used as a power source for various electronic devices such as a mobile phone. Further, this type of charge / discharge type battery is required to be charged under appropriate conditions, that is, an appropriate charging speed (charging current) and charging control in accordance with the capacity and model. In other words, this type of charge / discharge type battery is used as a drive source for electronic devices such as mobile phones as described above, and when the battery voltage drops below a threshold value due to discharge, the charge amount reaches its limit. You will see that you have arrived. Here, when the charge amount reaches the limit, the charge / discharge type battery cannot sufficiently function as a drive source, and further, the charge / discharge type battery may be damaged. Therefore, in the use as the drive source, required charging is performed in accordance with the charged amount, the discharged state, and the like. By the way, since charging / discharging type batteries have different charging speeds / charging conditions depending on the type, capacity, and model of the battery, it is necessary to set appropriate charging speed (charging current) and charging control for each type, capacity, and model. Will need to be charged.
【０００３】こうした要求に対して、充・放電型電池の
ハウジング内に電子素子を内蔵させる一方、充電速度を
制御するための充電回路を使用することが知られてい
る。しかし、この充電の最適化手段は、充・放電型電池
の容量・機種に対応した充電回路（充電器）を要すると
ともに、充・放電型電池自体の構成が煩雑化するうえ、
コストアップを招来するなど実用上、なお問題がある。In response to such a demand, it is known to use a charging circuit for controlling a charging speed while incorporating an electronic element in a housing of a charge / discharge type battery. However, this charging optimization means requires a charging circuit (charger) corresponding to the capacity / model of the charge / discharge type battery, and complicates the structure of the charge / discharge type battery itself.
There are still problems in practical use, such as increased costs.
【０００４】[0004]
【発明が解決しようとする課題】前記充・放電型電池の
容量・機種に対応した充電回路（充電器）を要すること
に対しては、充・放電型電池が予め内蔵する電子素子
（回路）によって、充電回路（充電器）側で、充・放電
型電池の容量・機種を自動的に識別し、この識別に応じ
て、予め設定・メモリーしておいた充電パラメータを使
用することも試みられている（たとえば特開平２−2994
28号公報）。In order to require a charging circuit (charger) corresponding to the capacity and model of the charge / discharge type battery, an electronic element (circuit) built in the charge / discharge type battery in advance is required. The charging circuit (charger) side automatically identifies the capacity and model of the charge / discharge type battery, and it is also attempted to use the charging parameters that have been set and stored in advance in accordance with this identification. (For example, Japanese Patent Laid-Open No. 2-2994
No. 28).
【０００５】前記特開平２−299428号公報に開示された
手段では、充・放電型電池が内蔵する所定素子（回路）
の実効インピーダンスと、充電回路側に設置してある抵
抗とによって、比例した分圧で発生する検出入力信号を
充・放電型電池機種検出装置測定し、この検出入力に基
づいて、前記充・放電型電池の容量・機種を判別し、充
・放電型電池に対応した適正な充電パラメータを選択・
設定して所用の充電を行う方式を採っている。In the means disclosed in Japanese Patent Laid-Open No. 2-299428, the predetermined element (circuit) built in the charge / discharge type battery.
The charging / discharging type battery model detecting device measures the detection input signal generated by the proportional voltage division by the effective impedance of and the resistance installed on the charging circuit side, and based on this detection input, the charging / discharging Distinguish the capacity and model of the type battery and select appropriate charging parameters for the charge / discharge type battery.
It adopts a method of setting and charging for the required purpose.
【０００６】この方式は、充電時において、充・放電型
電池の容量・機種を判別し、適正な充電条件で所要の充
電を行い得るという利点を有するが、コスト面などか
ら、十分実用的な手段といえない。すなわち、充・放電
型電池の容量・機種ごとに、所定素子（たとえばある抵
抗値に選択・設定された抵抗）を含む回路を予め内蔵さ
せておく必要があるため、充・放電型電池の構成が複雑
化ないし煩雑化するし、また部品数の増加ともなって、
充・放電型電池のコストアップを必然的に招来する。そ
して、この種の充・放電型電池は、いわゆる汎用型で、
かつ各方面で多量的に使用（利用）されることから、低
価格で提供できることが実用面から望まれている。[0006] This system has the advantage that the capacity / model of the charge / discharge type battery can be discriminated at the time of charging and the required charging can be carried out under appropriate charging conditions, but it is sufficiently practical from the viewpoint of cost. It can't be called a means. That is, since it is necessary to previously incorporate a circuit including a predetermined element (for example, a resistance selected and set to a certain resistance value) for each capacity / model of the charge / discharge battery, the structure of the charge / discharge battery Becomes complicated or complicated, and as the number of parts increases,
This will inevitably result in higher costs for charge / discharge batteries. And this kind of charge / discharge type battery is a so-called general-purpose type,
In addition, since it is used (used) in a large amount in various fields, it is practically desired that it can be provided at a low price.
【０００７】本発明は上記事情に基づいてなされたもの
で、簡略な構成でありながら、充・放電型電池の容量・
機種の判別が容易で、適正な充電を行うことが可能な充
・放電型電池の提供を目的とする。The present invention has been made based on the above-mentioned circumstances, and has a simple structure and a high capacity / charge capacity of a charge / discharge battery.
It is an object of the present invention to provide a rechargeable / dischargeable battery that can easily identify the model and can be appropriately charged.
【０００８】[0008]
【課題を解決するための手段】本発明の充・放電型電池
は、正極，負極および他の出力端子を備えた充・放電型
電池本体と、前記充・放電型電池本体の正極，負極およ
び他の出力端子を露出させて、充・放電型電池本体を収
納・被覆する絶縁性カバーとを具備して成り、前記充・
放電型電池本体の容量・機種によって負極の露出形態を
互いに異ならせておくことを特徴とする。The charge / discharge type battery of the present invention comprises a charge / discharge type battery main body having a positive electrode, a negative electrode and other output terminals, and a positive / negative electrode of the charge / discharge type battery main body. The other output terminal is exposed, and an insulating cover for accommodating and covering the main body of the charge / discharge battery is provided.
The feature is that the exposed form of the negative electrode is different depending on the capacity and model of the discharge battery body.
【０００９】本発明は、正極，負極および他の出力端子
（たとえばアース）を備え、かつ少なくとも１個の充・
放電型電池セルの直列もしくは並列の接続を充・放電型
電池本体とし、この充・放電型電池本体の正極，負極お
よび他の出力端子を露出させて、一体的に被覆する電気
絶縁性のカバーを具備した構成において、前記露出させ
た負極の露出形態を異ならせておくことを骨子としてい
る。すなわち、前記電気絶縁性のカバーの窓（開口）の
形状を、充・放電時の電気的な接続に支障を及ぼさない
範囲で、充・放電型電池の容量・機種ごとに異ならせて
おき、負極の露出形態によって容量・機種を判別して、
対応する適正な充電条件で所要の充電を確実に行うこと
を可能としたものである。The present invention includes a positive electrode, a negative electrode, and another output terminal (for example, ground), and at least one charging / discharging terminal.
An electrically insulative cover that is formed by connecting a series or parallel connection of discharge type battery cells to a charging / discharging type battery main body, exposing the positive and negative electrodes and other output terminals of the charging / discharging type battery main body, and integrally covering them. In the configuration including the above, the main point is to make the exposed form of the exposed negative electrode different. That is, the shape of the window (opening) of the electrically insulative cover is made different for each capacity / model of the charge / discharge type battery within a range that does not hinder the electrical connection during charge / discharge. Distinguish the capacity and model by the exposed form of the negative electrode,
It is possible to reliably perform the required charging under the corresponding appropriate charging conditions.
【００１０】[0010]
【作用】本発明では、充・放電型電池は、その容量・機
種ごとに、充・放電型電池の接続端子部中、正極領域面
および負極領域面の露出形状が予め選択・設定されてい
る。つまり、充・放電型電池本体の構造など変更などす
ることもなく、充・放電型電池の負極の露出形状を判別
するだけで、外観的ないし直観的に、充・放電型電池の
容量・機種が正確に区分することができるし、また容量
・機種判別回路によって、自動的に判別することも可能
となる。ここで、充・放電型電池本体につき構造的に格
別の付加など要しないことは、充・放電型電池のコスト
アップなどの回避に寄与するばかりでなく、また付加素
子などの誤動作などの問題もないので、常に適正な充電
を行い得ることになる。In the present invention, in the charge / discharge type battery, the exposed shapes of the positive electrode region surface and the negative electrode region surface in the connection terminal portion of the charge / discharge type battery are selected and set in advance for each capacity / model. . In other words, without changing the structure of the charging / discharging type battery body, just by judging the exposed shape of the negative electrode of the charging / discharging type battery, the capacity / model of the charging / discharging type battery can be visually or intuitively determined. Can be accurately classified, and can also be automatically judged by the capacity / model judging circuit. Here, the fact that the charging / discharging type battery main body does not need to be structurally specially added not only contributes to avoiding cost increase of the charging / discharging type battery, but also causes problems such as malfunction of additional elements. Since it does not exist, proper charging can always be performed.
【００１１】[0011]
【実施例】以下、図面を参照して、この発明を実施例に
より説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings.
【００１２】図１は、本発明に係る充・放電型電池の構
成例を、一部切り欠いて示す斜視図であり、１は入出力
端子２を成す正極2a，負極2bおよび他の出力端子2c（た
とえばアース）を備えた充・放電型電池本体、３は前記
充・放電型電池本体１の正極2a，負極2bおよび他の出力
端子2cの各面を露出させて、充・放電型電池本体１を収
納・被覆する電気絶縁性カバーである。ここで、充・放
電型電池本体１は、少なくとも１個の充・放電型電池セ
ルから成り、複数個の充・放電型電池セルで構成されて
いる場合は、直列もしくは並列な電気的接続を成してい
る。FIG. 1 is a partially cutaway perspective view showing a structural example of a charge / discharge type battery according to the present invention. Reference numeral 1 denotes a positive electrode 2a, a negative electrode 2b and other output terminals which form an input / output terminal 2. A charge / discharge type battery main body 2c (for example, an earth) is provided, 3 is a charge / discharge type battery main body 1 in which the positive electrode 2a, the negative electrode 2b and the other output terminal 2c of the charge / discharge type battery main body 1 are exposed. It is an electrically insulating cover that houses and covers the main body 1. Here, the charging / discharging battery body 1 is composed of at least one charging / discharging battery cell, and when it is composed of a plurality of charging / discharging battery cells, a series or parallel electrical connection is required. Is made.
【００１３】一方、電気絶縁性カバー３は、前記充・放
電型電池セルの機械的な保護・補強、もしくは機械的な
保護・補強とともに充・放電型電池セル群を一体化する
機能をも兼ね、たとえば絶縁性樹脂もしくは繊維強化樹
脂などを素材として形成されている。On the other hand, the electrically insulating cover 3 has a mechanical protection / reinforcement of the charge / discharge type battery cells, or a function of integrating the charge / discharge type battery cells together with mechanical protection / reinforcement. For example, the insulating resin or the fiber reinforced resin is used as a material.
【００１４】そして、本発明においては、前記充・放電
型電池本体１の容量・機種ごとに、前記負極2bの露出形
態を互いに異ならせている。つまり、図１に例示するご
とく、充・放電型電池本体１の入出力端子２を成す正極
2a，負極2bおよび他の出力端子2cを露出するため、電気
絶縁性カバー３の一部を窓開け（開口）する部分のう
ち、負極2bに対応する領域の一部を開口させ、他の一部
（点線部）を露出させない形態に設定してある。ここ
で、互いに異る負極2bの露出形態は、それぞれ入出力端
子２としての機能を損なわない程度であることが必要で
あるとともに、充電器が内蔵する容量・機種判別回路側
との電気的な接続を可能もしくは不可能化する機能を保
持発揮することが可能な範囲で選択・設定される。In the present invention, the exposed form of the negative electrode 2b is different for each capacity / model of the charge / discharge type battery main body 1. That is, as illustrated in FIG. 1, a positive electrode forming the input / output terminal 2 of the charge / discharge type battery main body 1.
In order to expose 2a, the negative electrode 2b, and the other output terminal 2c, a part of a region corresponding to the negative electrode 2b is opened in a part of the electrically insulating cover 3 which is opened (opened), and the other one is opened. The part (dotted line part) is set so as not to be exposed. Here, the different exposed forms of the negative electrode 2b need to be such that the function as the input / output terminal 2 is not impaired, and the electrical characteristics of the negative electrode 2b and the capacity / model discrimination circuit side incorporated in the charger are required. It is selected and set within the range in which the function of enabling or disabling connection can be retained and exhibited.
【００１５】次に、図２および図３を参照して、前記構
成の充・放電型電池に対する充電操作例を説明する。Next, with reference to FIGS. 2 and 3, an example of charging operation for the charge / discharge type battery having the above construction will be described.
【００１６】図２および図３は、容量・機種が異なる充
・放電型電池を判別する実施態様例を模式的に示した回
路図である。先ず、図２においては、充・放電型電池
１′の正極2a，負極2bが、充電器４の充電回路4aに接続
するとともに、負極2bは充・放電型電池１′の容量・機
種判別回路4bに接続する。そして、容量・機種判別回路
4bでは、負極2bから負（−）信号を得、かつ負（−）信
号を確認して、ある容量・機種の充・放電型電池１′で
あることを判別する。一方、図３においては、負極2bの
一部がカバーリングされているため、容量・機種判別回
路4bが電気的に接続しないので、容量・機種判別回路4b
に負（−）信号が送られない。したがって、容量・機種
判別回路4bは、抵抗Ｒを介して正（＋）電位を得、かつ
正（＋）電位を確認して他の（異種の）充・放電型電池
１′であることを判別する。FIGS. 2 and 3 are circuit diagrams schematically showing an example of an embodiment for discriminating charge / discharge type batteries having different capacities / models. First, in FIG. 2, the positive electrode 2a and the negative electrode 2b of the charge / discharge type battery 1'are connected to the charging circuit 4a of the charger 4, and the negative electrode 2b is the capacity / model discriminating circuit of the charge / discharge type battery 1 '. Connect to 4b. And capacity / model identification circuit
At 4b, a negative (-) signal is obtained from the negative electrode 2b, and the negative (-) signal is confirmed to determine that the battery is a charge / discharge type battery 1'of a certain capacity and model. On the other hand, in FIG. 3, the capacity / model discriminating circuit 4b is not electrically connected because the negative electrode 2b is partially covered, so that the capacity / model discriminating circuit 4b is not connected.
No negative (-) signal is sent to. Therefore, the capacity / model discriminating circuit 4b obtains a positive (+) potential through the resistor R and confirms the positive (+) potential to confirm that it is another (different type) charge / discharge type battery 1 '. To determine.
【００１７】このように、容量・機種判別回路4bで充・
放電型電池１′の容量・機種を判別し、この判別に従っ
て充電回路4aに予め設定・内蔵してある容量・機種ごと
の充電条件を選択し、所要の充電の充電を行う。つま
り、充・放電型電池１′側に煩雑な回路などを付加内蔵
させることなく、自動的に充・放電型電池１′の容量・
機種を判別し、充・放電型電池１′の容量・機種ごと
に、適正な条件で充電を行うことが可能である。In this way, the capacity / model discrimination circuit 4b
The capacity / model of the discharge type battery 1'is discriminated, and according to the discrimination, the capacity / model-specific charging conditions preset / built in the charging circuit 4a are selected, and the required charging is performed. That is, the capacity of the charging / discharging battery 1'is automatically adjusted without adding a complicated circuit to the charging / discharging battery 1 '.
It is possible to discriminate the model and perform charging under appropriate conditions for each capacity / model of the charge / discharge type battery 1 '.
【００１８】なお、上記では、充・放電型電池１′の容
量・機種を容量・機種判別回路4bで判別する例を示した
が、負極2bの露出形態（形状）によって、外観的に判別
することも可能である。In the above description, the capacity / model of the charge / discharge type battery 1'is discriminated by the capacity / model discriminating circuit 4b, but the appearance is discriminated by the exposed form (shape) of the negative electrode 2b. It is also possible.
【００１９】[0019]
【発明の効果】以上説明したように、本発明に係る充・
放電型電池は、充・放電型電池もしくは充・放電型電池
本体に回路的な付加など要せずに、充・放電型電池の容
量・機種を電気的あるいは直観的に判別し得る。つま
り、構成上の煩雑な付加、もしくは多部品化などに伴う
コストアップなど回避しながら、充・放電型電池の容量
・機種を容易に判別でき、また容量・機種に対応した適
正な充電を行うことが可能となる。そして、前記コスト
面への寄与および適正な充電操作の可能化は、この種充
・放電型電池の汎用性や実用性をさらに助長するうえで
多くの利点をもたらすものといえる。As described above, according to the present invention,
The discharge type battery can electrically or intuitively determine the capacity / model of the charge / discharge type battery without adding a circuit to the charge / discharge type battery or the charge / discharge type battery main body. In other words, the capacity / model of the charge / discharge type battery can be easily discriminated and the appropriate charging corresponding to the capacity / model is performed while avoiding costly increase due to complicated addition of components or increase in number of parts. It becomes possible. It can be said that the contribution to the cost and the enabling of a proper charging operation bring many advantages in further promoting the versatility and practicality of this type of charge / discharge type battery.
【図１】本発明に係る充・放電型電池の概略構成を示す
一部切欠斜視図。FIG. 1 is a partially cutaway perspective view showing a schematic configuration of a charge / discharge type battery according to the present invention.
【図２】本発明に係る充・放電型電池の容量・機種判別
の実施態様例を模式的に示す回路図。FIG. 2 is a circuit diagram schematically showing an embodiment example of capacity / model discrimination of the charge / discharge type battery according to the present invention.
【図３】本発明に係る充・放電型電池の容量・機種判別
の他の実施態様例を模式的に示す回路図。FIG. 3 is a circuit diagram schematically showing another embodiment example of capacity / model discrimination of the charge / discharge type battery according to the present invention.
１…充・放電型電池 ２…入出力端子 2a…正極
2b…負極 2c…他の端子 ３…電気絶縁性カバー
４…充電器 4a…充電回路 4b…容量・機種判
別回路1 ... Charge / discharge type battery 2 ... Input / output terminal 2a ... Positive electrode
2b ... Negative electrode 2c ... Other terminals 3 ... Electrical insulating cover 4 ... Charger 4a ... Charging circuit 4b ... Capacity / model identification circuit
Claims (2)
充・放電型電池本体と、 前記充・放電型電池本体の正極，負極および他の出力端
子を露出させて、充・放電型電池本体を収納・被覆する
絶縁性カバーとを具備し、 前記充・放電型電池本体の容量・機種ごとに負極の露出
形態を互いに異ならせておくことを特徴とする充・放電
型電池。1. A charge / discharge type battery body having a positive electrode, a negative electrode and other output terminals, and a charge / discharge type battery body in which the positive electrode, the negative electrode and other output terminals of the charge / discharge type battery body are exposed. A charging / discharging battery, comprising: an insulating cover for housing / covering the main body, wherein the negative electrode is exposed differently depending on the capacity / model of the charging / discharging battery main body.
充・放電型電池本体と、 前記充・放電型電池本体の正極，負極および他の出力端
子を露出させて、充・放電型電池本体を収納・被覆する
絶縁性カバーとを具備し、 前記充・放電型電池本体の容量・機種ごとに負極露出面
の一部を異なる形でカバーリングしておくことを特徴と
する充・放電型電池。2. A charge / discharge type battery main body having a positive electrode, a negative electrode and other output terminals, and a charge / discharge type battery body in which the positive electrode, the negative electrode and other output terminals of the charge / discharge type battery main body are exposed. A charging / discharging device, characterized by comprising an insulating cover for housing / covering the main body, wherein a part of the negative electrode exposed surface is covered differently depending on the capacity / model of the charging / discharging battery main body. Type battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6103680A JPH07312212A (en) | 1994-05-18 | 1994-05-18 | Charging/discharging type battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6103680A JPH07312212A (en) | 1994-05-18 | 1994-05-18 | Charging/discharging type battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07312212A true JPH07312212A (en) | 1995-11-28 |
Family
ID=14360508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6103680A Withdrawn JPH07312212A (en) | 1994-05-18 | 1994-05-18 | Charging/discharging type battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07312212A (en) |
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-
1994
- 1994-05-18 JP JP6103680A patent/JPH07312212A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20010731 |