JPS6315479A - Data management card - Google Patents
Data management cardInfo
- Publication number
- JPS6315479A JPS6315479A JP61160549A JP16054986A JPS6315479A JP S6315479 A JPS6315479 A JP S6315479A JP 61160549 A JP61160549 A JP 61160549A JP 16054986 A JP16054986 A JP 16054986A JP S6315479 A JPS6315479 A JP S6315479A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- data management
- light
- management card
- writer
- 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
- 238000013523 data management Methods 0.000 title claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000007726 management method Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000010248 power generation Methods 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Light Receiving Elements (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
- Multi-Process Working Machines And Systems (AREA)
- General Factory Administration (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、自動化製造ライン等における製品管理の自
動化に使用するデータ管理カードに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a data management card used for automating product management in automated manufacturing lines and the like.
第６図は、従来の非接触形データ管理カード及び該カー
ドと情報のやりとりをするリーグ・ライタの使用時の様
子を示す概観図であり、図において、５はデータ管理カ
ードであり、その表面には、太陽電池７１発光素子１３
．受光素子１４が配置されている。１１はリーグ・ライ
タであり、その内部に発光素子８．受光素子９．ランプ
１２．遮光板３５が設置されている。FIG. 6 is an overview diagram showing how a conventional non-contact data management card and a league writer that exchanges information with the card are used. In the figure, 5 is a data management card, and its surface is includes a solar cell 71 and a light emitting element 13.
．． A light receiving element 14 is arranged. 11 is a league lighter, inside which is a light emitting element 8. Light receiving element 9. Lamp 12. A light shielding plate 35 is installed.
次に、動作について説明する。第６図に示すリーダ・ラ
イタ１１に、人もしくは、ロボットによってデータ管理
カード５が差し込まれる。カード５が完全に差し込まれ
ると、ランプ１２が点灯し、太陽電池７から電圧が発生
し、カード５が駆動する。カードが駆動すると、リーダ
・ライタ１１の発光素子８から情報が送信され、カード
５の受光素子１３が受信し、−カード内部の処理部で情
報を処理したのち、発光素子１４でリーダ・ライタ１１
の受光素子９に送信する。これを受けとると、リーダ・
ライタ１１で処理を行う。このような、やりとりをくり
返した後、完全に処理が終わると、ランプ１２はン肖燈
する。そして、大または、ロボットがカード５を抜く。Next, the operation will be explained. The data management card 5 is inserted into the reader/writer 11 shown in FIG. 6 by a person or a robot. When the card 5 is completely inserted, the lamp 12 lights up, voltage is generated from the solar cell 7, and the card 5 is driven. When the card is driven, information is transmitted from the light-emitting element 8 of the reader/writer 11, received by the light-receiving element 13 of the card 5, and processed by the processing section inside the card.
is transmitted to the light receiving element 9 of. Upon receiving this, the reader
The writer 11 performs the processing. After repeating such exchanges, when the processing is completely completed, the lamp 12 turns on. Then, the robot pulls out card 5.
ここで遮光板３５は、ランプ１２点灯時にカード５の受
光素子１３に光が入ると、受信信号にノイズがのり、正
確な信号が受けとれなくなるため、ランプ光をさえぎる
ために設けられたものである。Here, the light shielding plate 35 is provided to block the lamp light, because if light enters the light receiving element 13 of the card 5 when the lamp 12 is lit, noise will be added to the received signal, making it impossible to receive an accurate signal. be.
従来のデータ管理カードは、以上のように受光部に１３
号以外の光をカントする工夫はなされおらず、強烈なラ
ンプの光を受けとると、受信出来なくなることから、こ
れを防ぐためにはリーダ・ライタ１１内部に光源光と光
信号を遮光板３５を用いて分離するなどの考Ｉ８が必要
であり、また信号内容を表示する手段を備えていないの
で、情報の内容を目視できないなどの問題があった。As mentioned above, the conventional data management card has 13
No measures have been taken to cant the light from other sources, and if it receives intense lamp light, it will not be able to receive it. To prevent this, a light shielding plate 35 is used inside the reader/writer 11 to block the light source light and optical signals. In addition, since there is no means for displaying the signal contents, there are problems such as the inability to visually see the information contents.
この発明は、自動化製造工場などでデータ管理カードが
容易に用いることができるように上記の問題点を解消す
るためになされたもので、カードとリーダ・ライタとの
間の情報交換を遮光板を設けるなどの考慮を必要とせず
、非接触方式で出来るとともに、信号処理の内容をも表
示出来るデータ管理カードを得ることを目的としている
。This invention was made to solve the above problems so that data management cards can be easily used in automated manufacturing factories, etc., and uses a light shielding plate to prevent information exchange between the card and the reader/writer. The purpose of the present invention is to obtain a data management card that can be used in a non-contact manner without the need for additional consideration, and can also display the contents of signal processing.
この発明に係るデータ管理カードは、カード表面上に、
太陽電池、送受光素子の他に信号内容を表示するＬＣＤ
（リキッド・クリスタル・ディスプレイ）等の表示手
段を配置するとともに、信号を受信する受光部に太陽電
池電力発生用の光源からの強力な光と光通信信号とを同
時に受けても、光通信信号のみ゛を取り出すことのでき
る受信信号検出回路を設けたものである。The data management card according to the present invention has, on the surface of the card,
LCD that displays signal contents in addition to solar cells and light transmitting and receiving elements
(liquid crystal display), etc., and even if the light receiving part that receives the signal receives both the strong light from the light source for solar cell power generation and the optical communication signal at the same time, only the optical communication signal will be displayed. This system is equipped with a received signal detection circuit that can extract the signal.
この発明においては、受信回路に受信信号検出回路を設
けたので、カード上の光受信素子に入射する太陽電池駆
動用光源光や室内灯などの外乱光を遮光することなく非
接触型でデータ通信を行うことができ、かつその信号内
容を表示手段により表示する。In this invention, since a received signal detection circuit is provided in the receiving circuit, data can be communicated in a non-contact manner without blocking ambient light such as solar battery driving light source light or indoor lights that enters the optical receiving element on the card. The signal contents can be displayed on a display means.
以下、この発明の一実施例を図について説明する。第１
図はこの発明の一実施例によるデータ管理カードのブロ
ック構成図であり、１は処理部、２はメモリ部、３は表
示部、４は通信部である。An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure is a block configuration diagram of a data management card according to an embodiment of the present invention, in which 1 is a processing section, 2 is a memory section, 3 is a display section, and 4 is a communication section.
処理部ｌはワンチップマイコン、メモリ部２はＣＭ Ｏ
Ｓ ＲＡ ＭもしくはＥＥＦＲＯＭ （消去可能なＲ
ＯＭ）、表示部３はＬＣＤもしくはＥＣＤ。The processing section 1 is a one-chip microcomputer, and the memory section 2 is a CMO
S RAM or EEFROM (erasable R
OM), the display section 3 is an LCD or ECD.
通信部４は投光器及び受光器より成る０以上挙げた各要
素部を駆動させる電力は、データ管理カード表面上に貼
り付けた太陽電池７より供給される。In the communication section 4, electric power for driving each of the elements listed above, including a projector and a light receiver, is supplied from a solar cell 7 attached to the surface of the data management card.
第２図は、本実施例によるデータ管理カードを示す外形
図であり、６は表示器、７は太陽電池。FIG. 2 is an external view showing the data management card according to this embodiment, where 6 is a display and 7 is a solar cell.
８はフィルターカバー付き受光素子、９はフィルターカ
バー付き発光素子である。8 is a light receiving element with a filter cover, and 9 is a light emitting element with a filter cover.
第３図は、゛製品に本実施例によるデータ管理カードを
取付け、リーダ・ライタで情報交換を行っている様子を
示しており、５はデータ管理カード。FIG. 3 shows a situation where the data management card according to this embodiment is attached to a product and information is exchanged using a reader/writer, where 5 is the data management card.
ｌＯは製品、１１はリーダ・ライタ、１２はランプ、１
３はリーダ・ライタの受光部、１４はリーダ・ライタの
投光部である。IO is the product, 11 is the reader/writer, 12 is the lamp, 1
3 is a light receiving section of the reader/writer, and 14 is a light projecting section of the reader/writer.
第４図は、通信部４の回路構成を示すブロック図であり
、１５は送信回路、１８は受信信号検出回路である。送
信回路１５は、フィルター１９゜発光素子１６．変調回
路１７で構成されており、受信信号検出回路１８は、フ
ィルター１９．受光素子２０．ＤＣアンプ２１．コンデ
ンサー２２゜ＡＣアンプ２３．バンドパスフィルタ２４
．波形整形回路２５で構成されている。FIG. 4 is a block diagram showing the circuit configuration of the communication section 4, in which 15 is a transmitting circuit and 18 is a received signal detecting circuit. The transmitting circuit 15 includes a filter 19 and a light emitting element 16 . The received signal detection circuit 18 is composed of a modulation circuit 17, a filter 19. Light receiving element 20. DC amplifier 21. Capacitor 22° AC amplifier 23. Bandpass filter 24
．． It is composed of a waveform shaping circuit 25.
第５図は、受信信号検出回路１８に、リーダ・ライタ１
１からの送信信号及びランプ光が入った時の信号レベル
を表わす波形図である。２６はリーグ・ライタ１１から
の送信信号を示す波形、２７はランプ１２よりのランプ
光及び外乱光を示す波形であり、２８はフィルタ１９に
受ける光信号レベル、２９は受光素子２０を通過した直
後、３０はＤＣアンプ２１を通過した直後、３１はコン
デンサー２２を通過した直後、３２はＡＣアンプ２３を
ｉ１１過した直後、３３はバンドパスフィルタ２４を通
過した直後、３４は波形整形回路２５を通過した直後の
各光信号レベルである。FIG. 5 shows that the received signal detection circuit 18 has a reader/writer 1.
1 is a waveform diagram showing the signal level when a transmission signal from No. 1 and lamp light are input. FIG. 26 is a waveform showing the transmission signal from the league writer 11, 27 is a waveform showing the lamp light and disturbance light from the lamp 12, 28 is the optical signal level received by the filter 19, and 29 is the waveform immediately after passing through the light receiving element 20. , 30 immediately after passing through the DC amplifier 21, 31 immediately after passing through the capacitor 22, 32 immediately after passing through the AC amplifier 23, 33 immediately after passing through the band pass filter 24, 34 passing through the waveform shaping circuit 25. This is the level of each optical signal immediately after.
次に動作について説明する。Next, the operation will be explained.
第３図において、データ管理カード５を取り付けた製品
ｌＯが運ばれて所定の位置に置かれると、リーダ・ライ
タ１１のランプ１２が点燈し、データ管理カード５表面
上の太陽電池７に電力を発生させ、データ管理カード５
は駆動する。この時データ管理カード５は、受信待ち状
態であり、リーダ・ライタ１１からの製品の加工情報等
の伝達を待っている。リーグ・ライタ１１の投光部１４
からの変調送信信号をデータ管理カード５表面上のフィ
ルターカバー付き受光素子８が受信する。受光素子８は
、第５図のグラフ２８．２９の波形が示すように、リー
グ・ライタ１１のランプ１２の強烈な光及び室内灯など
の外乱光２７と変調送信信号２６を受ける。この中から
変調送信信号２６のみを検出する回路が、第４図に示す
受信信号検出回路１８である。例として、リーダ・ライ
タ１１から１０１０１のデータ信号が送信されると、デ
ータ管理カードの表面及び内部に紺み込まれたフィルタ
ー１９には、第５図のグラフ２８の波形に示すランプ光
及び外乱光２７と変調送信信号２６が入り込む。このラ
ンプ光傘及び外乱光券２７はフィルター１９である程度
までそのゲインを落とされ、グラフ２９に示すようにな
る。そしてＤＣアンプ２１で増幅されると、グラフ３ｏ
に示すようになる。この信号はコンデンサー２２でその
直流成分をカットされ、グラフ３１に示すようになる。In FIG. 3, when the product 10 with the data management card 5 attached is carried and placed in a predetermined position, the lamp 12 of the reader/writer 11 lights up, and the solar cell 7 on the surface of the data management card 5 receives power. generate the data management card 5
is driven. At this time, the data management card 5 is in a reception waiting state and is waiting for transmission of product processing information and the like from the reader/writer 11. Light projection part 14 of league writer 11
A light receiving element 8 with a filter cover on the surface of the data management card 5 receives the modulated transmission signal from the data management card 5. The light receiving element 8 receives the intense light from the lamp 12 of the league lighter 11, ambient light 27 such as an indoor light, and the modulated transmission signal 26, as shown by the waveforms of graphs 28 and 29 in FIG. A circuit that detects only the modulated transmission signal 26 from among these is the received signal detection circuit 18 shown in FIG. For example, when a data signal 10101 is transmitted from the reader/writer 11, the filter 19 embedded on the surface and inside of the data management card receives lamp light and disturbances as shown in the waveform of graph 28 in FIG. Light 27 and modulated transmission signal 26 enter. The gain of this lamp umbrella and disturbance light ticket 27 is reduced to a certain extent by a filter 19, as shown in a graph 29. Then, when it is amplified by the DC amplifier 21, graph 3o
It becomes as shown in . The DC component of this signal is cut off by the capacitor 22, and the signal becomes as shown in the graph 31.
ここで得られる信号は、変調送信信号の増幅されたもの
と外乱光からのノイズである。その信号はＡＣアンプ２
３でさらに増幅され、グラフ３２に示すようになる。こ
の後、バンドパスフィルタ２４で変調信号の成分のみが
取り出され、グラフ３３となる。ここで得られた信号を
波形整形回路に入力すると、グラフ３４に示されるよう
に、ディジタル信号として取り出される。こうしてデー
タ管理カード５内の処理部１に送信信号１０１０１が入
力される。The signals obtained here are the amplified modulated transmission signal and noise from the disturbance light. The signal is AC amplifier 2
3, the signal is further amplified as shown in graph 32. Thereafter, only the components of the modulated signal are extracted by the bandpass filter 24, resulting in a graph 33. When the signal obtained here is input to a waveform shaping circuit, it is extracted as a digital signal as shown in graph 34. In this way, the transmission signal 10101 is input to the processing section 1 in the data management card 5.
処理部１に送信信号が入力され処理が終わると、データ
管理カード５表面上の表示器６に処理内容が表示され、
送信信号は、メモリ部２にストアされる。そして処理後
の報告信号を第４図の変調回路１７で変調信号にして、
発光素子１６よりフィルター１９を通してリーダ・ライ
タ１１に報告する。上記のよ・）にデータ管理カード５
とリーダ・ライタ間で悄（Ｕ交換を行った後リーダ・ラ
イタ１１はランプ１２を消灯する。When the transmission signal is input to the processing unit 1 and the processing is completed, the processing details are displayed on the display 6 on the surface of the data management card 5.
The transmitted signal is stored in the memory section 2. The processed report signal is then converted into a modulation signal by the modulation circuit 17 in FIG.
The light emitting element 16 reports to the reader/writer 11 through the filter 19. Data management card 5 in the above
After the U exchange is performed between the reader and writer, the reader and writer 11 turns off the lamp 12.
以上のように本実施例においては、データ管理カード５
の通信部４に受信信号検出回路１８を設けたからランプ
１２及び外乱光によって光受信が妨げられることなく、
遮光板を必要とせずにデータ管理カード５とリーグ・ラ
イタ１１との間で情報のやりとりができ、表示器６に信
号の処理内容が表示されるようにしたから情報を目視す
ることができ、データ管理を容易に行なうことができる
。As described above, in this embodiment, the data management card 5
Since the received signal detection circuit 18 is provided in the communication section 4, the light reception is not hindered by the lamp 12 and ambient light.
Information can be exchanged between the data management card 5 and the league writer 11 without the need for a light-shielding plate, and since the signal processing details are displayed on the display 6, the information can be viewed visually. Data management can be easily performed.
以上のようにこの発明によればデータ管理カードの通信
部に受信信号検出回路を設けたからリーグ・ライタから
の強烈なランプ光を受けても送信信号を遮光板等を設け
る必要なく正確に分離検出することができ、また位置ズ
レに対しても許容範囲カ広いので、カードを製品に取り
付けることにより、製造ラインにおける製品管理の自動
化を容易にできる効果がある。またカードに表示手段を
設けたので、これが製品の背番号的な役割をはたして表
示内容を見るだけで、製品の種類や内容を理解すること
ができる効果がある。As described above, according to the present invention, since the received signal detection circuit is provided in the communication section of the data management card, even if intense lamp light from the league writer is received, the transmitted signals can be accurately separated and detected without the need for a light shielding plate or the like. Moreover, since the tolerance range for positional deviation is wide, attaching the card to the product has the effect of facilitating automation of product management on the manufacturing line. Furthermore, since the card is provided with a display means, this serves as the number on the back of the product, and the user can understand the type and content of the product just by looking at the displayed content.
第１図はこの発明の一実施例によるデータ管理カードの
内部構成を示すブロック図、第２図はこの発明の一実施
例によるデータ管理カードを示す外形図、第３図はこの
発明の一実施例によるデータ管理カードの使用時の様子
を示す図、第４図はこの発明の一実施例によるデータ管
理カードの通信部の回路構成を示すブロック図、第５図
は第４図の受信信号抄出回路における信号波形を示す波
形図、第６図は従来のデータ管理カードの使用時の様子
を示す概観図である。
１１は処理部、２はメモリ部、３は表示部、４は通信部
、５はデータ管理カード、６は表示器、７は太陽電池、
８は受光素子、９は発光素子、１１はリーダ・う・イタ
、１２はランプ、１３は受光器、１４は投光器、３５は
遮光板。FIG. 1 is a block diagram showing the internal configuration of a data management card according to an embodiment of the present invention, FIG. 2 is an external view showing a data management card according to an embodiment of the invention, and FIG. 3 is an embodiment of the invention. FIG. 4 is a block diagram showing the circuit configuration of the communication section of the data management card according to an embodiment of the present invention, and FIG. 5 is a diagram showing how the data management card according to the example is used. FIG. A waveform diagram showing signal waveforms in the circuit, and FIG. 6 is an overview diagram showing how a conventional data management card is used. 11 is a processing unit, 2 is a memory unit, 3 is a display unit, 4 is a communication unit, 5 is a data management card, 6 is a display unit, 7 is a solar cell,
8 is a light receiving element, 9 is a light emitting element, 11 is a reader, 12 is a lamp, 13 is a light receiver, 14 is a light emitter, and 35 is a light shielding plate.
Claims (2)
ダ・ライタとの間で光信号によって情報のやりとりを行
うためのデータ管理カードにおいて、投光器と受光器と
により上記リーダ・ライタとの間で情報の伝達を行う通
信手段と、 上記リーダ・ライタから得た情報を表示する表示手段と
、 上記情報を処理する処理部と、 上記情報を記録するメモリ部と、 上記通信手段に設けられ、強い光源光のもとでも光信号
を検出できる受信信号検出回路と、上記各手段の駆動電
源となる太陽電池部とを備えたことを特徴とするデータ
管理カード。(1) In a data management card for exchanging information using optical signals with a reader/writer that writes and reads product management information, the information is exchanged between the reader/writer using an emitter and a receiver. a communication means for transmitting information; a display means for displaying information obtained from the reader/writer; a processing section for processing the information; a memory section for recording the information; A data management card characterized by comprising a received signal detection circuit capable of detecting an optical signal even under light from a light source, and a solar cell section serving as a driving power source for each of the above means.
子の前面に設けられたフィルターと、該フィルターの出
力をＤＣ増幅した信号の直流成分をカットするコンデン
サと、該コンデンサの出力をＡＣ増幅した信号から変調
信号成分のみをとりだすバンドパスフィルタと、 該バンドパスフィルタの出力を波形整形する波形整形回
路とからなることを特徴とする特許請求の範囲第１項記
載のデータ管理カード。(2) The received signal detection circuit includes a light receiving element, a filter provided in front of the light receiving element, a capacitor that cuts the DC component of a signal obtained by DC amplifying the output of the filter, and an AC converter for the output of the capacitor. 2. The data management card according to claim 1, comprising: a bandpass filter that extracts only the modulated signal component from the amplified signal; and a waveform shaping circuit that shapes the waveform of the output of the bandpass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61160549A JPS6315479A (en) | 1986-07-07 | 1986-07-07 | Data management card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61160549A JPS6315479A (en) | 1986-07-07 | 1986-07-07 | Data management card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6315479A true JPS6315479A (en) | 1988-01-22 |
| JPH0548513B2 JPH0548513B2 (en) | 1993-07-21 |
Family
ID=15717390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61160549A Granted JPS6315479A (en) | 1986-07-07 | 1986-07-07 | Data management card |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6315479A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331140A (en) * | 1992-04-02 | 1994-07-19 | Xerox Corporation | Code reading systems |
| US5532470A (en) * | 1994-10-18 | 1996-07-02 | Hughes Aircraft Company | Optical encoding and readout system using a liquid crystal modulator to encode light with an object's identification code and related sensor data |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5992956U (en) * | 1982-12-16 | 1984-06-23 | オムロン株式会社 | IC card |
-
1986
- 1986-07-07 JP JP61160549A patent/JPS6315479A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5992956U (en) * | 1982-12-16 | 1984-06-23 | オムロン株式会社 | IC card |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331140A (en) * | 1992-04-02 | 1994-07-19 | Xerox Corporation | Code reading systems |
| US5532470A (en) * | 1994-10-18 | 1996-07-02 | Hughes Aircraft Company | Optical encoding and readout system using a liquid crystal modulator to encode light with an object's identification code and related sensor data |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0548513B2 (en) | 1993-07-21 |
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