JPH10255170A - Pos order entry system - Google Patents
Pos order entry systemInfo
- Publication number
- JPH10255170A JPH10255170A JP7084797A JP7084797A JPH10255170A JP H10255170 A JPH10255170 A JP H10255170A JP 7084797 A JP7084797 A JP 7084797A JP 7084797 A JP7084797 A JP 7084797A JP H10255170 A JPH10255170 A JP H10255170A
- Authority
- JP
- Japan
- Prior art keywords
- radio
- master
- slave
- radios
- transmission
- 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
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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S50/00—Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies
- Y04S50/10—Energy trading, including energy flowing from end-user application to grid
Landscapes
- Cash Registers Or Receiving Machines (AREA)
- Computer And Data Communications (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はレストラン等におい
て用いられるハンディタ−ミナルから無線信号で注文デ
−タを入力するＰＯＳオ−ダエントリシステムに関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a POS order entry system for inputting order data by radio signals from a handy terminal used in a restaurant or the like.
【０００２】[0002]
【従来の技術】従来から大規模なレストラン等では注文
データの入力効率向上の為にハンディタ−ミナルから無
線信号で注文デ−タを入力するＰＯＳオ−ダエントリシ
ステムが使用されている。該ＰＯＳオ−ダエントリシス
テムは複数個のハンディタ−ミナル及び無線信号を中継
する複数個のセンタ−無線機を具備し、コントロ−ラを
介して各ハンディターミナルからの注文データを伝票処
理や会計処理を行うＰＯＳ装置及び厨房のキッチンプリ
ンタ等へ送信するようになっている。2. Description of the Related Art A large-scale restaurant or the like has conventionally used a POS order entry system for inputting order data by radio signals from a handy terminal in order to improve the input efficiency of order data. The POS order entry system includes a plurality of handy terminals and a plurality of center radios for relaying radio signals, and performs order processing and accounting processing of order data from each handy terminal via a controller. To a POS device that performs the above and a kitchen printer in the kitchen.
【０００３】上記従来構成のＰＯＳオ−ダエントリシス
テムにおいては、センタ−無線機は特定小電力無線機で
あったため、コントローラが同期確立処理を行う必要が
ないが、データの送信速度が遅いという問題があった。
そこでデータの送信速度を速くするため、センタ−無線
機にＰＨＳ等で使用されるＲＣＳスタンダ−ド規格に準
拠する無線機を用いることが考えられる。In the conventional POS order entry system, since the center radio is a specific low power radio, the controller does not need to perform synchronization establishment processing, but the data transmission speed is slow. was there.
Therefore, in order to increase the data transmission speed, it is conceivable to use a radio device conforming to the RCS standard used for PHS or the like as the center radio device.
【０００４】[0004]
【発明が解決しようとする課題】前記センター無線機に
ＰＨＳ等で使用されるＲＣＳスタンダ−ド規格に準拠す
る無線機を用いた場合、前記複数個のセンタ−無線機は
互いに電波の送信タイミングが重ならないように時分割
制御されたスロットで電波（制御チャンネル）送信し、
各ハンディタ−ミナルとチャネルを確立し、該ハンディ
タ−ミナルからの注文デ−タを受信し、厨房からのメニ
ュ−情報を送信するようにするため、前記コントロ−ラ
は前記注文デ−タやメニュ−情報の処理と共に、各セン
タ−無線機に指令信号を出力して電波の送信タイミング
（発信タイミング）が重ならないように同期制御をする
必要がある。In the case where a radio device conforming to the RCS standard used for PHS or the like is used as the center radio device, the plurality of center radio devices have radio wave transmission timings mutually. Radio waves (control channels) are transmitted in time-divisionally controlled slots so that they do not overlap,
In order to establish a channel with each handy terminal, receive order data from the handy terminal, and transmit menu information from the kitchen, the controller sends the order data and the menu. Along with the information processing, it is necessary to output a command signal to each center wireless device to perform synchronous control so that transmission timings (transmission timings) of radio waves do not overlap.
【０００５】しかしながら、上述したようにコントロ−
ラは多数のハンディタ−ミナルから注文デ−タやメニュ
−情報の送受信を行うため、負荷が重く、これに加え更
に複数個のセンタ−無線機の同期制御を負担させること
は過負荷となり、不都合が発生する恐れがある。そこで
コントロ−ラに同期制御の負担をさせず複数個のセンタ
−無線機の同期制御を行う技術が要望されている。However, as described above,
In order to transmit and receive order data and menu information from a large number of handy terminals, the load is heavy.Additionally, it is inconvenient to load synchronization control of a plurality of center radios. May occur. Therefore, there is a demand for a technique for performing synchronous control of a plurality of center radios without imposing a burden on the controller for synchronous control.
【０００６】本発明は上述の点に鑑みてなされたもの
で、上記問題点を除去し、コントローラ過負荷及び無線
機等故障にも強い信頼性の高いＰＯＳオ−ダエントリシ
ステムを提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a highly reliable POS order entry system which eliminates the above-mentioned problems and is resistant to a controller overload and a failure such as a radio. Aim.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
請求項１に記載の発明は、複数台の無線機と、複数台の
ハンディタ−ミナル及びこれら無線機及びハンディタ−
ミナルを制御するコントロ−ラを具備し、各無線機とハ
ンディタ−ミナル間は時分割制御されたチャネルで情報
交換するＰＯＳオ−ダエントリシステムにおいて、各無
線機に同期手段を設け、コントロ−ラに複数台の無線機
の中から一台をマスタ無線機として選択指定すると共に
他の無線機をスレ−ブ無線機として指定し、該マスタ無
線機にのみ電波の送信要求を行う手段を設け、マスタ無
線機には同期手段を介してスレーブ無線機に電波の送信
時間が重ならないように電波の送信時刻を指示する手段
を設け、コントローラはマスタ無線機に対してのみ電波
の送信要求を行い、マスタ無線機は同期手段を介して各
スレ−ブ無線機にそれぞれの電波の送信時刻を指示し、
各スレ−ブ無線機は指定された送信時刻に電波を送信す
ることを特徴とする。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the invention according to claim 1 comprises a plurality of radios, a plurality of handy terminals, and a radio and a handy terminal.
In a POS order entry system which includes a controller for controlling a terminal and exchanges information between each radio and a handy terminal via a time-division-controlled channel, a synchronization means is provided for each radio, and a controller is provided. Means for selecting and specifying one of a plurality of radios as a master radio, specifying the other radio as a slave radio, and requesting transmission of radio waves only to the master radio, The master radio has means for instructing the transmission time of the radio wave to the slave radio via the synchronization means so that the transmission time of the radio wave does not overlap, the controller issues a radio wave transmission request only to the master radio, The master radio instructs each slave radio via the synchronization means with the transmission time of each radio wave,
Each slave wireless device transmits a radio wave at a designated transmission time.
【０００８】また、請求項２に記載する発明は、請求項
１に記載のＰＯＳオ−ダエントリシステムにおいて、各
スレ−ブ無線機には実際に自局で電波を送信した時刻を
マスタ無線機に送信する手段を設け、マスタ無線機には
各スレ−ブ無線機から送信して来た電波の送信時刻から
該各スレ−ブ無線機の電波の送信時刻が重なっているか
否かを判断する手段を設けたことを特徴とする。According to a second aspect of the present invention, in the POS order entry system according to the first aspect, each slave radio is provided with a time at which a radio wave is actually transmitted by its own station. Means is provided for the master radio, and it is determined from the transmission times of the radio waves transmitted from the slave radios whether or not the transmission times of the radio waves of the respective slave radios overlap. Means are provided.
【０００９】[0009]
【発明の実施の形態】以下、本発明の実施の形態例を図
面に基づいて詳細に説明する。図１は本発明のＰＯＳオ
−ダエントリシステムの構成例を示す図である。図示す
るように、ＰＯＳオ−ダエントリシステムは複数台（図
では３台）のセンタ−無線機２、センタ−無線機３、セ
ンタ−無線機４を有し、コントロ−ラ１を介してＰＯＳ
装置及び厨房のキッチンプリンタ（図では省略）へ接続
されている。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a diagram showing a configuration example of a POS order entry system of the present invention. As shown in the figure, the POS order entry system has a plurality of (three in the figure) center radios 2, center radios 3, and center radios 4.
It is connected to the apparatus and a kitchen printer (not shown) in the kitchen.
【００１０】センタ−無線機２はＣＰＵ２−１、インタ
フェ−ス２−２、メモリ２−３、無線通信部２−４、同
期回路２−５及びアンテナ２−６を具備し、無線通信部
２−４及びアンテナ２−６を介してハンディタ−ミナル
５、ハンディタ−ミナル６と無線信号で交信し注文デ−
タやメニュ−情報の送受信を行うようになっている。な
お、センタ−無線機３及びセンタ−無線機４も図示は省
略するがセンタ−無線機２と同じ構成である。The center radio 2 includes a CPU 2-1, an interface 2-2, a memory 2-3, a radio communication unit 2-4, a synchronization circuit 2-5, and an antenna 2-6. -4 and the antenna 2-6 to communicate with the handy terminal 5 and the handy terminal 6 by radio signals and receive order data.
Data and menu information are transmitted and received. Although not shown, the center radio 3 and the center radio 4 have the same configuration as the center radio 2.
【００１１】各センタ−無線機２、３、４にそれぞれ同
期回路２−５、３−５、４−５を設け、各同期回路２−
５、３−５、４−５は信号線ｍで接続している。本発明
はコントローラ１でセンタ−無線機２、３、４の内の一
台をマスタ無線機として選択指定し、他の２台をスレ−
ブ無線機として指定し、互いに電波の送信タイミングが
重ならないように同期制御をすることを特徴とする。以
下にその動作を説明する。Synchronizing circuits 2-5, 3-5 and 4-5 are provided in each of the center radios 2, 3 and 4, respectively.
5, 3-5 and 4-5 are connected by a signal line m. In the present invention, one of the center radios 2, 3, and 4 is selected and designated as a master radio by the controller 1, and the other two are slaved.
The wireless communication device is designated as a wireless communication device and performs synchronous control so that transmission timings of radio waves do not overlap each other. The operation will be described below.
【００１２】図２は各センタ−無線機の発信タイミング
の例を示す図である。まず、コントロ−ラ１は、例えば
センタ−無線機２をマスタセンタ−無線機（以下「マス
タＣＳ」と称する）として選択指定し、他の無線機３、
４をスレ−ブセンタ−無線機（以下「スレ−ブＣＳ
１」、「スレ−ブＣＳ２」と称する）に指定する。マス
タＣＳに選択指定された無線機２、スレ−ブＣＳ１及び
スレ−ブＣＳ２に設定された無線機３、４は各ＣＰＵが
対応するプログラム（各メモリに格納されている）を実
行することにより同期回路２−５、３−５、４−５を以
下に述べるように動作させる。FIG. 2 is a diagram showing an example of the transmission timing of each center radio. First, the controller 1 selects and designates, for example, the center radio 2 as a master center radio (hereinafter referred to as “master CS”), and
4 is a slave center radio (hereinafter referred to as “slave CS”).
1 "and" slave CS2 "). The radio 2 selected and designated as the master CS, the radios 3 and 4 set as the slave CS1 and the slave CS2 are executed by each CPU executing a corresponding program (stored in each memory). The synchronizing circuits 2-5, 3-5 and 4-5 are operated as described below.
【００１３】マスタＣＳは同期回路２−５を介して自分
自身が電波を発信するタイミングを表す信号を信号線ｍ
を介して同期回路３−５、４−５に出力する。次に、ス
レ−ブＣＳ１に対しオフセット値ｓ１、スレ−ブＣＳ２
に対しオフセット値ｓ２を送信する。スレ−ブＣＳ１及
びスレ−ブＣＳ２はマスタＣＳが電波を送信するタイミ
ングからそれぞれのオフセット値ｓ１及びオフセット値
ｓ２だけ時間をずらして電波を送信する。The master CS transmits a signal representing the timing of transmitting a radio wave through the synchronization circuit 2-5 to a signal line m.
To the synchronizing circuits 3-5 and 4-5. Next, the offset value s1 for the slave CS1, the slave CS2
The offset value s2 is transmitted. The slave CS1 and the slave CS2 transmit the radio waves at a timing shifted from the timing at which the master CS transmits the radio waves by the respective offset values s1 and s2.
【００１４】各スレ−ブＣＳ１、ＣＳ２は実際の電波の
送信タイミングがマスタＣＳの送信タイミングよりどの
くらい遅れているかを測定し、同期回路３−５、４−５
を介してマスタＣＳにその測定値を送信する。Each of the slaves CS1 and CS2 measures how much the actual transmission timing of the radio wave is behind the transmission timing of the master CS, and outputs a signal to the synchronization circuits 3-5 and 4-5.
And sends the measurement to the master CS via
【００１５】マスタＣＳはスレ−ブＣＳ１、ＣＳ２から
の測定値を受信し、該測定値を基に最終的に電波が重な
っていないことを確認する。もし、重なっているスレ−
ブＣＳがあればそのスレ−ブＣＳに対しオフセット値の
リセットを行わせ再度オフセット値を送信し、設定す
る。The master CS receives measured values from the slaves CS1 and CS2, and finally confirms that radio waves do not overlap based on the measured values. If the overlapping thread
If there is a slave CS, the slave CS is reset for the offset value, and the offset value is transmitted again and set.
【００１６】上記各スレ−ブＣＳ１、ＣＳ２からの測定
値の送信及びマスタＣＳの確認動作は、マスタＣＳ及び
各スレ−ブＣＳ１、ＣＳ２がそれぞれ自局でロ−カルな
クロックで動作しており、更に、マスタＣＳ及び各スレ
ーブＣＳ１、ＣＳ２の無線通信部は電波送信の要求を受
けてから、実際に電波を出し始めるタイミングにバラツ
キがあるために行う必要がある。The transmission of the measured values from the slaves CS1 and CS2 and the confirmation operation of the master CS are performed by the master CS and the slaves CS1 and CS2 each operating at their own local clock. Further, the radio communication units of the master CS and the slaves CS1 and CS2 need to perform the radio wave transmission after receiving the request for radio wave transmission because there is a variation in the timing of actually starting to emit the radio wave.
【００１７】以上述べたように本実施形態例によればコ
ントロ−ラ１は複数のセンター無線機の中からマスタＣ
Ｓを選択指定し、該マスタＣＳにのみ電波の送信要求を
行うだけで、マスタＣＳは各スレーブＣＳに電波の送信
タイミングが重ならないようにする送信タイミングを指
定するから、コントローラは同期制御を行う必要がな
く、その分負荷が軽くなると同時に、従来のように同期
制御の支障により全ハンディターミナルが使用不能とな
り、システムがダウンするという恐れはなくなる。ま
た、ソフトで処理しているのでマスタＣＳが故障の際は
他のスレ−ブＣＳをマスタＣＳに変更することは容易で
ある。As described above, according to the present embodiment, the controller 1 selects the master C from among the plurality of center radios.
S is selected and specified, and only the master CS is requested to transmit a radio wave. Since the master CS specifies the transmission timing of each slave CS so that the transmission timing of the radio wave does not overlap, the controller performs synchronous control. There is no need to do so, and at the same time the load is lightened, and at the same time, there is no danger that all the handy terminals will be disabled due to the hindrance of the synchronization control and the system will be down. Further, since the processing is performed by software, it is easy to change another slave CS to the master CS when the master CS fails.
【００１８】[0018]
【発明の効果】以上説明したように本願各請求項に記載
の発明によれば下記のような優れた効果が期待できる。 （１）請求項１に記載の発明によれば、各無線機に同期
手段を設け、コントロ−ラに複数台の無線機の中から一
台をマスタ無線機として選択指定すると共に他の無線機
をスレ−ブ無線機として指定し、該マスタ無線機にのみ
電波の送信要求を行う手段を設け、マスタ無線機には同
期手段を介してスレーブ無線機に電波の送信時間が重な
らないように電波の送信時刻を指示する手段を設け、コ
ントローラはマスタ無線機に対してのみ電波の送信要求
を行い、マスタ無線機は同期手段を介して各スレ−ブ無
線機にそれぞれの電波の送信時刻を指示し、各スレ−ブ
無線機は指定された送信時刻に電波を送信するので、コ
ントロ−ラの負荷は軽くなり、マスタ無線機の故障に際
してもスレ−ブ無線機をマスタ無線機として容易に変更
することができ、システム全体がダウンすることなく、
信頼性が向上する。As described above, according to the invention described in the claims of the present application, the following excellent effects can be expected. (1) According to the first aspect of the present invention, a synchronizing means is provided for each wireless device, and one of a plurality of wireless devices is selected and designated as a master wireless device by a controller, and another wireless device is selected. Is designated as a slave radio, and means for requesting transmission of radio waves only to the master radio is provided, and the master radio is transmitted via the synchronization means so that the transmission time of radio waves does not overlap with the slave radio. Means for instructing the transmission time of the radio wave, the controller issues a radio wave transmission request only to the master radio, and the master radio instructs each slave radio via the synchronization means of the transmission time of each radio wave. However, since each slave radio transmits radio waves at the designated transmission time, the load on the controller is reduced, and the slave radio can be easily changed to the master radio even when the master radio fails. Can be Without the entire system goes down,
Reliability is improved.
【００１９】（２）また、請求項２に記載の発明によれ
ば、各スレ−ブ無線機には実際に自局で電波を送信した
時刻をマスタ無線機に送信する手段を設け、マスタ無線
機には各スレ−ブ無線機から送信して来た電波の送信時
刻から該各スレ−ブ無線機の電波の送信時刻が重なって
いるか否かを判断する手段を設けたので、無線機の特等
性にバラツキがあっても、それを補正できるから、各無
線機とハンディタ−ミナル間の時分割での情報交換に支
障なく信頼性が向上する。(2) According to the second aspect of the present invention, each slave wireless device is provided with a means for transmitting the time at which the radio wave was actually transmitted by its own station to the master wireless device. The device is provided with means for judging from the transmission time of the radio wave transmitted from each slave radio device whether or not the transmission time of the radio wave of each slave radio device overlaps. Even if there is a variation in the identities, it can be corrected, so that the reliability is improved without hindrance to information exchange in a time division manner between each wireless device and the handy terminal.
【図１】本発明のＰＯＳオ−ダエントリシステムの構成
例を示す図である。FIG. 1 is a diagram showing a configuration example of a POS order entry system of the present invention.
【図２】各センタ−無線機の発信タイミングの例を示す
図である。FIG. 2 is a diagram showing an example of transmission timing of each center radio.
１ コントロ−ラ ２ センタ−無線機 ２−１ ＣＰＵ ２−２ インタフェ−ス ２−３ メモリ ２−４ 無線通信部 ２−５ 同期回路 ２−６ アンテナ ３ センタ−無線機 ４ センタ−無線機 ５ ハンディタ−ミナル ６ ハンディタ−ミナル DESCRIPTION OF SYMBOLS 1 Controller 2 Center radio 2-1 CPU 2-2 Interface 2-3 Memory 2-4 Wireless communication unit 2-5 Synchronization circuit 2-6 Antenna 3 Center radio 4 Central radio 5 Handyta -Minar 6 Handy Minar
Claims (2)
−ミナル及びこれら無線機及びハンディタ−ミナルを制
御するコントロ−ラを具備し、前記各無線機とハンディ
タ−ミナル間は時分割制御されたチャネルで情報交換す
るＰＯＳオ−ダエントリシステムにおいて、 前記各無線機に同期手段を設け、 前記コントロ−ラに前記複数台の無線機の中から一台を
マスタ無線機として選択指定すると共に他の無線機をス
レ−ブ無線機として指定し、該マスタ無線機にのみ電波
の送信要求を行う手段を設け、 前記マスタ無線機には前記同期手段を介して前記スレー
ブ無線機に電波の送信時間が重ならないように電波の送
信時刻を指示する手段を設け、 前記コントローラは前記マスタ無線機に対してのみ電波
の送信要求を行い、該マスタ無線機は前記同期手段を介
して前記各スレ−ブ無線機にそれぞれの電波の送信時刻
を指示し、該各スレ−ブ無線機は指定された送信時刻に
電波を送信することを特徴とするＰＯＳオ−ダエントリ
システム。1. A wireless communication system comprising a plurality of radios, a plurality of handy terminals, and a controller for controlling these radios and the handy terminals. Time division control is performed between each of the radios and the handy terminals. In the POS order entry system for exchanging information on a set channel, a synchronizing means is provided for each of the radios, and one of the plurality of radios is selected and designated as a master radio by the controller and the other. Means for designating the radio as a slave radio and requesting transmission of radio waves only to the master radio, wherein the master radio sets transmission time of radio waves to the slave radio via the synchronization means. A means for instructing a transmission time of a radio wave so that the radio waves do not overlap, the controller makes a radio wave transmission request only to the master radio, and the master radio POS ordering means for instructing each of the slave radios to transmit a radio wave at a designated transmission time via a synchronization means. Entry system.
電波を送信した時刻を前記マスタ無線機に送信する手段
を設け、 前記マスタ無線機には前記各スレ−ブ無線機から送信し
て来た電波の送信時刻から該各スレ−ブ無線機の電波の
送信時刻が重なっているか否かを判断する手段を設けた
ことを特徴とする請求項１に記載のＰＯＳオ−ダエント
リシステム。2. Each of the slave radios is provided with means for transmitting the time at which radio waves are actually transmitted by the station to the master radio. 2. The POS order according to claim 1, further comprising means for judging from the transmission time of the transmitted radio wave whether or not the transmission times of the radio waves of the slave radios overlap. Entry system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7084797A JP3038647B2 (en) | 1997-03-06 | 1997-03-06 | POS order entry system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7084797A JP3038647B2 (en) | 1997-03-06 | 1997-03-06 | POS order entry system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10255170A true JPH10255170A (en) | 1998-09-25 |
| JP3038647B2 JP3038647B2 (en) | 2000-05-08 |
Family
ID=13443378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7084797A Expired - Fee Related JP3038647B2 (en) | 1997-03-06 | 1997-03-06 | POS order entry system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3038647B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10356170B2 (en) | 2015-04-30 | 2019-07-16 | Seiko Epson Corporation | Network system and control method of a network system, and a control device |
| US10469350B2 (en) | 2015-04-30 | 2019-11-05 | Seiko Epson Corporation | Network system and control method of a network system, and a control device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6562555B2 (en) | 2001-08-01 | 2003-05-13 | Kodak Polychrome Graphics Llc | Method for developing lithographic printing plate precursors using a coating attack-suppressing agent |
| KR102023773B1 (en) * | 2017-09-25 | 2019-09-20 | 강기오 | A laver reed pole which is easily fixable of rope |
-
1997
- 1997-03-06 JP JP7084797A patent/JP3038647B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10356170B2 (en) | 2015-04-30 | 2019-07-16 | Seiko Epson Corporation | Network system and control method of a network system, and a control device |
| US10469350B2 (en) | 2015-04-30 | 2019-11-05 | Seiko Epson Corporation | Network system and control method of a network system, and a control device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3038647B2 (en) | 2000-05-08 |
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