JPS6221361A - Voice conference continuity system - Google Patents
Voice conference continuity systemInfo
- Publication number
- JPS6221361A JPS6221361A JP16160485A JP16160485A JPS6221361A JP S6221361 A JPS6221361 A JP S6221361A JP 16160485 A JP16160485 A JP 16160485A JP 16160485 A JP16160485 A JP 16160485A JP S6221361 A JPS6221361 A JP S6221361A
- Authority
- JP
- Japan
- Prior art keywords
- conference
- continuity
- reservation
- reservation information
- continuation
- 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.)
- Granted
Links
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は音声会議システムにおける会議の継続を可能と
する音声会議継続方式に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an audio conference continuation method that enables continuation of a conference in an audio conference system.
多様化する電話交換サービスの一環として、音声会議サ
ービスが実用化されつつある。Audio conference services are being put into practical use as part of the diversifying telephone exchange services.
この種の音声会議サービスにおいては、会議の開催を希
望する主催者が、予め会議の開催日時、会議時間、参加
入数、参加者の電話番号等の予約情報を人力することに
より、所要の会議が自動交換網を介して開催される。In this type of audio conference service, the organizer who wishes to hold a conference manually enters reservation information such as the date and time of the conference, conference time, number of participants, and phone numbers of participants, and then schedules the desired conference. will be held through an automatic exchange network.
開催された会議の進行状況により、更に会議時間を延長
して会議を続行する必要が生じ、更に会議を継続する際
に、参加者の範囲を変更する必要が生ずる場合がある。Depending on the progress of the held conference, it may be necessary to extend the conference time and continue the conference, and when continuing the conference, it may be necessary to change the range of participants.
かかる必要性に対応して、容易に会議を継続可能とする
手段の実現が要望される。In response to this need, there is a need for a means to easily continue meetings.
第２図は従来ある音声会議システムの一例を示す図であ
る。FIG. 2 is a diagram showing an example of a conventional audio conference system.
第２図において、交換網１には会議装置２が設けられて
いる。会議の開催を希望する主催者３が、音声会議用の
特殊番号を交換網１に送出して会議装置２に接続させた
後、開催日時・会議時間・参加入数・参加者の電話番号
等の予約情報を選択すると、会議装置２内の制御装置２
１が交換網１を経由して伝達された前記予約情報を、予
約ファイル２２内に登録する。In FIG. 2, a switching network 1 is provided with a conference device 2. As shown in FIG. After the organizer 3 who wishes to hold a conference sends a special number for the audio conference to the exchange network 1 and connects it to the conference device 2, the host 3 sends the special number for the audio conference to the exchange network 1 and connects it to the conference device 2. When you select reservation information, the control device 2 in the conference device 2
1 registers the reservation information transmitted via the switching network 1 in the reservation file 22.
制御装置２１は予約ファイル２２内に登録されている予
約情報を監視し、登録された開催日時となると、交換ｙ
Ｉｌ内に設定されたチャネルｃｈｌを経由して主催者３
を呼出し、応答すると時間スイッチ２３内に通話路ｐ１
を設定して音声ブリッジ回路２４の接続端子ｖｂｔｌに
接続し、また時間スイッチ２３内に通話路ｐ６を設定し
て主催者３にＰＢ受信器２５を接続する。The control device 21 monitors the reservation information registered in the reservation file 22, and when the registered event date and time arrives,
Organizer 3 via channel chl set in Il
, and when it is answered, the communication path p1 is set in the time switch 23.
is set and connected to the connection terminal vbtl of the audio bridge circuit 24, and a communication path p6 is set in the time switch 23 to connect the PB receiver 25 to the organizer 3.
更に制御装置２１は、予約情報内に指定されている参加
者４１乃至４４をチャネルｃｈ２乃至Ｃｈ５を経由して
順次呼出し、参加可能となると時間スイッチ２３内に通
話路ｐ２乃至ｐ５を設定して音声ブリッジ回路２４の接
続端子ｖｂｔ２乃至ｖｂｔ５に接続する。Furthermore, the control device 21 sequentially calls the participants 41 to 44 specified in the reservation information via the channels ch2 to Ch5, and when they become able to participate, sets the call paths p2 to p5 in the time switch 23 and starts voice communication. It is connected to connection terminals vbt2 to vbt5 of the bridge circuit 24.
参加者４１乃至４４の呼出しが完了し、主催者３が会議
開催用の特殊番号を選択すると、主催者３および参加者
４１乃至４４は音声ブリッジ回路２４を経由して会議を
開始する。When the calling of the participants 41 to 44 is completed and the organizer 3 selects a special number for holding a conference, the organizer 3 and the participants 41 to 44 start the conference via the audio bridge circuit 24.
会議の開催中、制御装置２１は経過時間を監視し、予め
予約情報に指定されていた会議時間が経過すると、時間
スイッチ２３内に設定されている通話路ｐｌ乃至ｐ６を
解放すると共に交換網１にチャネルｃｈｌ乃至ｃｈ５を
解放させて主催者３および参加者４１乃至４４と音声ブ
リッジ回路２４との接続を断ち、予約ファイル２２内に
登録されている予約情報を抹消し、次の会議に備える。While the conference is being held, the control device 21 monitors the elapsed time, and when the conference time specified in the reservation information has elapsed, it releases the communication paths pl to p6 set in the time switch 23 and switches the switching network 1 The system releases channels chl to ch5, disconnects the organizer 3 and participants 41 to 44 from the audio bridge circuit 24, deletes the reservation information registered in the reservation file 22, and prepares for the next conference.
〔発明が解決しようとする問題点３
以上の説明から明らかな如（、従来ある音声会議システ
ムにおいては、会議の継続時間は、予約ファイル２２内
に登録されていた予約情報に指定した会議時間以内に限
定されていた。従って予約情報内に指定されている会議
時間を延長して、会議を継続することは不可能であった
。更に無益な長時間の予約を避ける為に最大予約時間が
限定れれている。[Problem to be Solved by the Invention 3] As is clear from the above explanation, in conventional audio conference systems, the duration of the conference is within the conference time specified in the reservation information registered in the reservation file 22. Therefore, it was impossible to extend the meeting time specified in the reservation information and continue the meeting.Furthermore, in order to avoid unnecessary long reservations, the maximum reservation time was limited. It is falling.
本発明は下記の手段を講することにより、前記問題点を
解決する。The present invention solves the above problems by taking the following measures.
即ち本発明においては、会議中の主催者から入力される
会議の継続規模を指定する継続予約情報を受信し、
音声会議を構成する資源の予約状態を記憶する予約ファ
イルを参照して継続予約情報による会議の継続可能性を
検査し、
継続可能と判定された場合に継続予約情報を登録し、予
約情報に基づく会議が終了する際に継続予約情報に基づ
く継続会議に構成変更する。That is, in the present invention, continuous reservation information specifying the continuation scale of the conference inputted from the conference organizer is received, and the continuous reservation information is retrieved by referring to a reservation file that stores the reservation status of resources constituting the audio conference. The continuability of the conference is checked, and if it is determined that it can be continued, continuation reservation information is registered, and when the conference based on the reservation information ends, the configuration is changed to a continuous conference based on the continuation reservation information.
即ち本発明によれば、主催者が当初予約した会議の開催
中に会議の継続を必要とする場合には、所要の継続予約
情報を入力することにより、音声会議を構成する資源が
確保可能であれば、開催中の会議を継続可能となり、当
該音声会議システムの利便性が向上する。In other words, according to the present invention, if the organizer needs to continue the conference while the originally reserved conference is being held, the resources for constituting the audio conference can be secured by inputting the necessary continuation reservation information. If there is, it will be possible to continue the conference in progress, and the convenience of the audio conference system will be improved.
以下、本発明の一実施例を図面により説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明の一実施例による音声会議継続方式を示
す図である。なお、全図を通じて同一符号は同一対象物
を示す。FIG. 1 is a diagram showing an audio conference continuation method according to an embodiment of the present invention. Note that the same reference numerals indicate the same objects throughout the figures.
第１図においても、会議の開催を希望する主催者３が所
定の操作を行って会議装置２内の予約ファイル２２に会
議の予約情報を登録することにより、開催日時に主催者
３および参加者４１乃至４４が呼出され、交換ｙＩｌ内
に設定されたチャネルｃｈｉ乃至ｃｈ５、および会議装
置２内に設定された通話路ｐｉ乃至ｐ５を経由して音声
ブリンジ回路２４の接続端子ｖｂｔｌ乃至ｖｂｔ５に接
続し、会議を構成する。また主催者３にはチャネルｃｈ
ｉおよび通話路ｐ６を経由してＰＢ受信器２５を接続す
る。In FIG. 1, the organizer 3 who wishes to hold a conference registers the conference reservation information in the reservation file 22 in the conference device 2 by performing a predetermined operation, so that the organizer 3 and participants can 41 to 44 are called and connected to connection terminals vbtl to vbt5 of the voice bringer circuit 24 via channels chi to ch5 set in the exchange yIl and communication paths pi to p5 set in the conference device 2. , configure the meeting. Also, organizer 3 has channel ch.
i and the PB receiver 25 via the communication path p6.
会議の開催中に、進行中の会議が終了した後、更に主催
者３、参加者４１および４２による会議の継続が必要と
なったとする。Assume that during a conference, after the ongoing conference ends, it becomes necessary for the organizer 3 and participants 41 and 42 to continue the conference.
かかる場合に主催者３は、会議の継続予約用に予め定め
られた特殊番号（例えば＃＃×）を選択すると、ＰＢ受
信器２５を介して特殊番号（＃＃×）を受信した制御装
置２１は、主催者３が開催中の会議の継続予約を要求し
ていることを識別し、既に会議の継続予約が生起してい
るか否かを検査し、他に継続予約が生起していないこと
を確認すると、他の会議に対し継続予約を閉塞した後、
時間スイッチ２３内に設定されている通話路ｐ１を一時
的に解放して主催者３を音声ブリッジ回路２４から切離
し、また時間スイッチ２３内に通話路ｐ７を設定して音
声応答装置２６を接続し、会議の継続時間および参加入
数等の継続規模を指定する継続情報の入力を促すメツセ
ージを主催者３に伝達する。In such a case, when the organizer 3 selects a predetermined special number (for example, ##x) for continuous reservation of the conference, the control device 21 that has received the special number (##x) via the PB receiver 25 identifies that the organizer 3 is requesting a continuation reservation for the conference that is currently being held, checks whether a continuation reservation for the conference has already occurred, and checks that no other continuation reservations have occurred. Once confirmed, after blocking the continuation reservation for other conferences,
The call path p1 set in the time switch 23 is temporarily released to disconnect the organizer 3 from the audio bridge circuit 24, and the call path p7 is set in the time switch 23 to connect the voice response device 26. , transmits to the organizer 3 a message prompting the organizer 3 to input continuation information specifying the continuation scale such as the duration of the conference and the number of participants.
該メソセージを聴取した主催者３が所要の継続予約情報
（例えば継続時間が１時間、参加入数が主催者および２
名の参加者）を入力すると、制御装置２１はＰＢ受信器
２５を介して！！続予約情報を受信し、予約ファイル２
２を参照し、開催中の会議が終了した後、継続予約情報
に指定された継続会議を構成する資源（例えば音声ブリ
ッジ回路２４の接続端子等）が確保されるか否かを検査
する。The organizer 3 who listened to the message receives the necessary continuation reservation information (for example, the duration is 1 hour, the number of participants is the organizer and 2).
(participant's name), the control device 21 via the PB receiver 25! ! Receive reservation information and save reservation file 2
2, after the ongoing conference ends, it is checked whether the resources (for example, connection terminals of the audio bridge circuit 24, etc.) constituting the continuation conference specified in the continuation reservation information are secured.
若し継続予約情報に指定される継続会議の構成に必要な
資源が確保可能と判定された場合には、制御装置２１は
音声応答装置２６を起動し、継続会議が実行可能であり
、更に８継続予約情報の追加（例えば継続会議への参加
者４１および４２の電話番号等）の入力を促すメソセー
ジを主催者３に伝達する。If it is determined that the resources necessary for configuring the continuous conference specified in the continuous reservation information can be secured, the control device 21 activates the voice response device 26, and the continuous conference can be executed. A message prompting the organizer 3 to input additional reservation information (for example, telephone numbers of participants 41 and 42 for the continuing conference) is transmitted to the organizer 3.
該メツセージを聴取した主催者３が、継続予約情報の追
加（参加者４１および４２の電話番号等）を入力すると
、制御装置２１はＰＢ受信器２５を介して予約情報を受
信し、継続情報および確保された資源（例えば音声ブリ
ッジ回路２４の接続端子Ｖｂｔｌ’、ｖｂｔ２”および
ｖｂｔ３′）と共に予約ファイル２２に登録した後、音
声応答装置２６を起動し、継続会議の登録が完了したこ
とを通知するメツセージを主催者３に伝達した後、時間
スイッチ２３内に設定されている通話路ｐ７を解放し、
また一時的に解放した通話路ｐｌを再設定し、主催者３
を再び音声ブリッジ回路２４の接続端子ｖｂｔｌに接続
する。更に制御装置２１は、他の会議に対する継続予約
の閉塞を解除する。When the organizer 3 who has heard the message inputs the addition of continuation reservation information (phone numbers of participants 41 and 42, etc.), the control device 21 receives the reservation information via the PB receiver 25 and adds the continuation information and After registering in the reservation file 22 together with the secured resources (for example, the connection terminals Vbtl', vbt2'', and vbt3' of the audio bridge circuit 24), the audio response device 26 is activated to notify that the registration of the continuous conference is completed. After transmitting the message to the organizer 3, the communication path p7 set in the time switch 23 is released,
In addition, the temporarily released call route PL is reset, and the host 3
is again connected to the connection terminal vbtl of the audio bridge circuit 24. Furthermore, the control device 21 releases the blockage of continuous reservations for other conferences.
やがて開催中の会議に関する会議時間が経過すると、制
御装置２１は時間スイッチ２３内に設定されている通話
路ｐｌ乃至ｐ５を解放し、同時に予約されている接続端
子ｖｂｔｌ’乃至ｖｂｔ３°と、継続会議に参加する主
催者３および参加者４１乃至４２に接続されるチャネル
ｃｈｌ乃至Ｃｈ３とを接続する通話路ｐ１′乃至ｐ３°
を設定し、主催者３、参加者４１および４２を音声ブリ
ッジ回路２４の接続端子ｖｂｔｌ乃至ｖｂｔ３から接続
端子ｖｂｔｌ’乃至ｖｂｔ３’へ接続変更する。なお接
続変更の際、時間スイッチ２３内に通話路ｐｌ乃至ｐ９
を設定して、音声応答装置２６から継続会議に移行する
旨のメツセージを主催者３、参加者４１および４２に聴
取させ、その間に接続変更を実行する。When the conference time for the ongoing conference has elapsed, the control device 21 releases the communication paths pl to p5 set in the time switch 23, and connects the connection terminals vbtl' to vbt3°, which are reserved at the same time, to the continuation conference. Call paths p1' to p3° connecting channels chl to Ch3 connected to the organizer 3 and participants 41 to 42 participating in
The host 3 and participants 41 and 42 are connected from the connection terminals vbtl to vbt3 of the audio bridge circuit 24 to the connection terminals vbtl' to vbt3'. In addition, when changing the connection, the communication paths pl to p9 are set in the time switch 23.
is set, the host 3 and participants 41 and 42 hear a message from the voice response device 26 to the effect that the conference will proceed to a continuous conference, and the connection change is executed during this time.
以後主催者３、参加者４１および４２は、引き続き音声
ブリッジ回路２４を経由して会議を継続し、他の参加者
４３および４４は復旧する。Thereafter, the organizer 3 and participants 41 and 42 continue the conference via the audio bridge circuit 24, and the other participants 43 and 44 are restored.
以上の説明から明らかな如く、本実施例によれば、主催
者３が会議の途中で継続予約情報を所定の順序で入力す
ることにより、継続会議が予約可能となる。As is clear from the above description, according to the present embodiment, a continuation conference can be reserved by the organizer 3 inputting continuation reservation information in a predetermined order during the conference.
なお、第１図はあく迄本発明の一実施例に過ぎず、例え
ば当初の会議は参加者４１乃至４４により構成され、ま
た継続会議は参加者４１および４２により構成されるも
のに限定されることは無く、他に幾多の変形が考慮され
るが、何れの場合にも本発明の効果は変わらない。また
継続会議への移行は音声応答装置２６からのメツセージ
により通知されるものに限定されることは無く、所定の
音源から供給される通知音によることも考慮されるが、
かかる場合にも本発明の効果は変わらない。Note that FIG. 1 is only one embodiment of the present invention; for example, the initial conference is made up of participants 41 to 44, and the continuing conference is limited to those made up of participants 41 and 42. Although many other modifications may be considered, the effects of the present invention remain the same in any case. Further, the transition to a continuous conference is not limited to being notified by a message from the voice response device 26, and notification sounds supplied from a predetermined sound source may also be considered.
Even in such a case, the effects of the present invention remain unchanged.
更に会議装置２の構成は図示されるものに限定されるこ
とは無く、他に幾多の変形が考慮されるが、何れの場合
にも本発明の効果は変わらない。Further, the configuration of the conference device 2 is not limited to that shown in the drawings, and many other modifications may be considered, but the effects of the present invention remain the same in any case.
以上、本発明によれば、前記音声会議システムにおいて
、主催者が当初予約した会議の開催中に会議の継続を必
要とする場合には、所要の継続予約情報を入力すること
により、音声会議を構成する資源が確保可能であれば、
開催中の会議を継続可能となり、当該音声会議システム
の利便性が向上する。As described above, according to the present invention, in the audio conference system, when the organizer needs to continue the conference while the originally reserved conference is being held, the audio conference can be started by inputting the necessary continuation reservation information. If the constituent resources can be secured,
It becomes possible to continue a conference that is currently being held, and the convenience of the audio conference system is improved.
第１図は本発明の一実施例による音声会議継続方式を示
す図、第２図は従来ある音声会議システムの一例を示す
図である。
図において、１は交換網、２は会議装置、３は主催者、
４１乃至４４は参加者、２１は制御装置、２２は予約フ
ァイル、２３は時間スイッチ、２４は音声ブリッジ回路
、２５はＰＢ受信器、２６は音声応答装置、ｃｈｌ乃至
ｃｈ５はチャネル、ｐｌ乃至ｐ９、ｐｌ“乃至ｐ３＋は
通話路、ｖｂｔｌ乃至ｖｂｔ５およびｖｂｔｌ’乃至ｖ
ｂｔ３’は接続端子、を示す。
争 １ 図FIG. 1 is a diagram showing an audio conference continuation method according to an embodiment of the present invention, and FIG. 2 is a diagram showing an example of a conventional audio conference system. In the figure, 1 is a switching network, 2 is a conference device, 3 is a host,
41 to 44 are participants, 21 is a control device, 22 is a reservation file, 23 is a time switch, 24 is an audio bridge circuit, 25 is a PB receiver, 26 is a voice response device, chl to ch5 are channels, pl to p9, pl" to p3+ are communication paths, vbtl to vbt5 and vbtl' to v
bt3' indicates a connection terminal. Conflict 1 Figure
Claims (1)
おいて、会議中の主催者から入力される会議の継続規模
を指定する継続予約情報を受信し、前記音声会議を構成
する資源の予約状態を記憶する予約ファイルを参照して
前記継続予約情報による会議の継続可能性を検査し、継
続可能と判定された場合に前記継続予約情報を登録し、
前記予約情報に基づく前記会議が終了する際に前記継続
予約情報に基づく継続会議に構成変更することを特徴と
する音声会議継続方式。In an audio conference system in which a host inputs conference reservation information, continuous reservation information specifying a continuation scale of the conference input from a conference organizer is received, and the reservation state of resources constituting the audio conference is stored. checking the possibility of continuation of the conference based on the continuous reservation information by referring to the reservation file to be used, and registering the continuous reservation information if it is determined that the conference can be continued;
An audio conference continuation method characterized in that when the conference based on the reservation information ends, the configuration is changed to a continuous conference based on the continuation reservation information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60161604A JPH0771161B2 (en) | 1985-07-22 | 1985-07-22 | Audio conference continuation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60161604A JPH0771161B2 (en) | 1985-07-22 | 1985-07-22 | Audio conference continuation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6221361A true JPS6221361A (en) | 1987-01-29 |
| JPH0771161B2 JPH0771161B2 (en) | 1995-07-31 |
Family
ID=15738315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60161604A Expired - Lifetime JPH0771161B2 (en) | 1985-07-22 | 1985-07-22 | Audio conference continuation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0771161B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03147467A (en) * | 1989-11-02 | 1991-06-24 | Nec Corp | Inter-multi-point television conference system |
| JPH04208754A (en) * | 1990-11-22 | 1992-07-30 | Mitsubishi Electric Corp | Video conference system |
| JPH04280153A (en) * | 1991-03-07 | 1992-10-06 | Mitsubishi Electric Corp | Multi-point conference device |
| US5510087A (en) * | 1994-07-05 | 1996-04-23 | The Babcock & Wilcox Company | Two stage downflow flue gas treatment condensing heat exchanger |
| US5575924A (en) * | 1995-05-04 | 1996-11-19 | Betzdearborn Inc. | Water treatment methods |
| US7322423B2 (en) | 2000-06-13 | 2008-01-29 | Grinnell Llc | Dry pipe valve for fire protection sprinkler system |
| JP2014096782A (en) * | 2012-10-10 | 2014-05-22 | Canon Marketing Japan Inc | Conference server, control method of the same, and program |
| CN109379205A (en) * | 2018-11-27 | 2019-02-22 | 平安科技（深圳）有限公司 | A kind for the treatment of method and apparatus of meeting delay |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6031136A (en) * | 1983-08-01 | 1985-02-16 | Ricoh Co Ltd | Diazo copying material |
-
1985
- 1985-07-22 JP JP60161604A patent/JPH0771161B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6031136A (en) * | 1983-08-01 | 1985-02-16 | Ricoh Co Ltd | Diazo copying material |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03147467A (en) * | 1989-11-02 | 1991-06-24 | Nec Corp | Inter-multi-point television conference system |
| JPH04208754A (en) * | 1990-11-22 | 1992-07-30 | Mitsubishi Electric Corp | Video conference system |
| JPH04280153A (en) * | 1991-03-07 | 1992-10-06 | Mitsubishi Electric Corp | Multi-point conference device |
| US5510087A (en) * | 1994-07-05 | 1996-04-23 | The Babcock & Wilcox Company | Two stage downflow flue gas treatment condensing heat exchanger |
| US5575924A (en) * | 1995-05-04 | 1996-11-19 | Betzdearborn Inc. | Water treatment methods |
| US7322423B2 (en) | 2000-06-13 | 2008-01-29 | Grinnell Llc | Dry pipe valve for fire protection sprinkler system |
| US7814983B2 (en) | 2000-06-13 | 2010-10-19 | Grinnell Llc | Dry pipe valve for fire protection sprinkler system |
| JP2014096782A (en) * | 2012-10-10 | 2014-05-22 | Canon Marketing Japan Inc | Conference server, control method of the same, and program |
| CN109379205A (en) * | 2018-11-27 | 2019-02-22 | 平安科技（深圳）有限公司 | A kind for the treatment of method and apparatus of meeting delay |
| CN109379205B (en) * | 2018-11-27 | 2022-06-17 | 平安科技（深圳）有限公司 | Conference delay processing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0771161B2 (en) | 1995-07-31 |
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