WO2000028700A1 - Systeme de reseau - Google Patents
Systeme de reseau Download PDFInfo
- Publication number
- WO2000028700A1 WO2000028700A1 PCT/JP1999/006122 JP9906122W WO0028700A1 WO 2000028700 A1 WO2000028700 A1 WO 2000028700A1 JP 9906122 W JP9906122 W JP 9906122W WO 0028700 A1 WO0028700 A1 WO 0028700A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lan
- factory
- sample
- lans
- signal
- Prior art date
Links
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000010884 ion-beam technique Methods 0.000 abstract description 9
- 238000013500 data storage Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 42
- 230000003287 optical effect Effects 0.000 description 11
- 238000012546 transfer Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 101100172132 Mus musculus Eif3a gene Proteins 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
Definitions
- the present invention relates to a network system connecting a plurality of LANs (Local Area Networks).
- LANs Local Area Networks
- a system using a network has been proposed in the field of a charged particle beam apparatus that uses a charged particle beam from an electron source or an ion source to observe a sample and perform processing such as fine processing. I have.
- FIG. 3 is a block diagram showing a conventional focused ion beam apparatus (FIB) which is a kind of a charged particle ion beam apparatus.
- the device side LAN 301 which is a LAN configuration of the focusing beam device, is installed in a measurement room away from the factory, and is connected to the factory side LAN (Local Area Network) 309 by the TC PZl P (Transmission Control Protocol). / Internet Protocol).
- TC PZl P Transmission Control Protocol
- / Internet Protocol Internet Protocol
- the device-side LAN 301 has a host computer 302 for inputting instructions when performing processing such as observation and processing of a sample, analyzing collected data, and displaying an image of the sample, and the like.
- the system controller 303 controls the focus and magnification of the ion beam by an electric field by controlling the condenser lens, scanning electrode, etc., the axis alignment and the movable diaphragm of the input source provided in the ion source stage. Alignment
- the optical axis control unit 304 which is performed overnight, a vacuum exhaust unit 305 that evacuates the sample chamber in which the sample is placed, A sample transfer device 307 that carries the sample to the sample stage 306 is provided.
- the host computer 302 is connected to a storage device 310 for storing various data such as image data of a sample.
- Each processing element has a central processing unit (CPU), which is connected to the bus line 308 together with the host computer 302, and uses a CPP / ZIP to perform CSMA / CD (Carrier Sense Multiple Access with Collision Detection). Connected by LAN.
- a unique identification (ID) code is assigned to the host computer 302 and each of the processing elements 303 to 107, and the host computer 302 and each of the processing elements 303 to 307 are connected via a bus line 308.
- the signal transmitted and received by the device is configured to include the ID code. By determining the ID code included in the signal on the bus line 308, it is determined whether the signal is addressed to itself. Determine.
- the host convenience 302 and each component determine whether or not the signal on the bus line 308 is a signal addressed to itself by an ID code. If there is, the process is performed in response to the signal, and when the process is completed, a signal including the ID code of the component responsible for the next step is output to the bus line 308. Thereby, processing such as observation and processing of the sample is performed, and data such as image data of the sample is stored in the storage device 310.
- the device-side LAN 301 is a part of the factory-side LAN 309, the device-side LAN 301 and the factory-side LAN 309 affect each other, and there are various problems.
- the specifications such as the transmission speed and the IP address (Internet Protocol Address) of the LAN 301 on the device side are restricted by the specifications of the LAN 309 on the factory side, and the specifications and the like cannot be freely set. There is a problem o
- the equipment side since it is possible for the equipment side to interpenetrate between the AN 301 and the factory LAN 309, it is connected to a service center via a communication line to maintain the equipment side LAN 301 by remote control. The problem is that it cannot be checked.
- the present invention provides a network system in which a plurality of LANs are connected so that the plurality of LANs do not affect each other, and that the plurality of LANs can be accessed from the plurality of LANs during a shared session. Make it an issue.
- Another object of the present invention is to maintain confidentiality together with the above-mentioned problem.
- a further object of the present invention is to provide a network system capable of performing maintenance by remote control, in addition to the above-mentioned problems. Disclosure of the invention
- a network system includes a first LAN, a second LAN, and a separation unit and a storage unit connected between the first and second LANs. It is characterized in that the first and second LANs are separated so as not to affect each other, and the storage means is controlled to be accessible from both the first and second LANs.
- the separating means separates the first and second LANs so as not to affect each other and controls the storage means so that both the first and second LANs can access the storage means.
- the separation means can be configured so that its setting can be changed so that the first LAN can access the second LAN.
- the first LAN may be a factory-side LAN
- the second LAN may be an apparatus-side LAN
- the second LAN can be connectable to a service center that maintains the second LAN via a communication line.
- the second LAN may be a LAN that forms a manufacturing apparatus, an inspection apparatus, or a charged particle beam apparatus.
- FIG. 1 is a block diagram according to the first embodiment of the present invention.
- FIG. 2 is a block diagram according to the second embodiment of the present invention.
- FIG. 3 is a block diagram of a network system using a conventional focused ion beam apparatus.
- FIG. 1 is a block diagram of a network system according to a first embodiment of the present invention.
- the lock diagram shows an example of a focused beam device (FIB) in which the device side LAN is a kind of charged particle beam device.
- FIB focused beam device
- the device-side LAN 101 as the second LAN constituting the focused ion beam device is installed in a measurement room remote from the factory, and the device-side AN 101 and the factory-side LAN 109 are mutually connected. It is LAN-connected by TCP / IP to the factory LAN 110 as the first LAN via the separation means 110 that separates them so as not to affect them. Although the details of the factory LAN 109 are not shown, it is configured by connecting a computer or the like to a bus.
- the device-side LAN 101 is equipped with a host computer 102 for inputting instructions when performing processing such as sample observation and processing, analyzing collected data, and displaying images of the sample.
- the optical system controller 103 controls the focus and magnification by controlling the ion beam with an electric field by controlling the capacitor, lens, beam blanking electrode, or scanning electrode as elements.
- Optical axis control unit 104 that aligns the ion source with a piezoelectric element, a vacuum exhaust unit 105 that evacuates the sample chamber in which the sample is placed, and a beam on which the sample is placed.
- a sample stage 106 that moves to the irradiation position of the sample, and a sample transport device 107 that transports the sample to the sample stage 106 are provided.
- the essential processing elements for configuring the charged particle beam device are the optical system control unit 103 and the evacuation unit 105, and the other processing elements are used as necessary.
- Each processing element has a CPU, is connected to a bus line 108 together with a host computer 102, and is connected by a CSMA / CD system AN using TCP / IP.
- Each of the host computer 102 and each of the processing elements 103 to 107 has a unique identification (ID) code.
- ID unique identification
- the signal transmitted and received between the host computer 102 and the processing elements 103 to 107 via the bus line 108 is configured to include the ID code. By determining the ID code contained in the signal on the bus line 108, it is determined whether the signal is addressed to itself.
- the host computer 102 is connected to a storage device 119 for storing various classified data.
- the host computer 102 is connected via a dedicated line 120 as a communication line to a service center that performs maintenance such as inspection of the equipment LAN 101 by remote control. Have been.
- -Separation means 1 110 is composed of a CPU 111, a display unit 112, a memory 113 storing the CPU 111 program, an input device 114 such as a keyboard, and a dedicated bus 1 It is composed of a computer with 15 and network cards 1 16 and 1 17.
- the device-side LAN 101 and the factory-side LAN 109 are connected to the bus 115 via network nodes 116 and 117.
- a storage device 118 as storage means for storing shared data that does not require confidentiality is connected to the bus 115.
- the separating means 110 is provided to prevent mutual influence between the equipment-side LAN 101 and the factory-side LAN 109, and is separated from the equipment-side LAN 101 to the factory-side LAN 101.
- each of the network cards 116 and 117 enables signal transmission in one direction, and the network card 117 and the bus 115 are transmitted from the LAN 101 on the device side.
- access to the storage device 118 is possible via the LAN, access from the device-side LAN 101 to the factory-side LAN 109 via the network card 116 is prohibited.
- Access to the device side LAN 101 via 7 is prohibited. Separation means such that a person having a specific authority operates the input device 114 so that the device-side LAN 101 and the factory-side LAN 109 can access each other. It is configured so that the setting of 110 can be changed.
- the operation of the network system configured as described above will be described below.
- the operator is instructed to set the sample.
- the host computer 102 outputs an instruction signal including the ID code of the evacuation unit 105 to the bus line 108 in response to the instruction input.
- the evacuation unit 105 receives the instruction signal from the host computer transmitted to the bus line 108—the evening signal, identifies the ID code included in the signal, and sends the instruction signal to itself.
- the spare sample chamber is evacuated and the door of the spare sample chamber is opened.
- the evacuation unit 105 Upon completion of the above-described processing, the evacuation unit 105 sends a signal including the ID code of the sample transfer device 107 to the bus line in order to shift the process to the sample transfer device 107 which is responsible for the next processing step. Output to 108.
- the sample transport device 107 receives the instruction signal from the vacuum exhaust unit 105 transmitted to the bus line 108, determines the ID code included in the signal, and issues the instruction signal addressed to itself. In response to this, the sample is loaded into the spare sample room. Upon completion of the above-described processing, the sample transport device 107 outputs a signal including an ID code of the vacuum exhaust unit 105 that performs the next processing step to the bus line 108. Thereafter, in the same manner as above, each component determines whether or not the signal on the pass line 108 is a signal addressed to itself by an ID code, and if the signal is addressed to itself, performs processing. Upon completion, a signal containing the ID code of the component responsible for the next step is output to bus line 108.
- the vacuum exhaust unit 105 responds to the signal.
- the preliminary sample chamber is evacuated to vacuum, and upon completion of the process, a signal including the ID code of the optical system controller 103 is output to the bus line 108.
- the optical system control unit 103 receives the signal from the vacuum evacuation unit 105, and uses the high voltage to prevent the high voltage for optical control in the sample chamber from being discharged due to vacuum deterioration. Control processing is performed to turn off, and when the processing is completed, a signal including the ID code of the vacuum exhaust unit 105 is output to the bus line 108.
- the evacuation unit 105 receives the signal from the optical system control unit 103, opens the valve between the sample chamber and the preliminary sample chamber, connects the sample chamber and the preliminary sample chamber, and Upon completion, a signal including the ID code of the sample stage 106 is output to the bus line 108.
- the sample stage 106 Upon receiving a signal from the vacuum evacuation unit 105, the sample stage 106 moves to the sample transfer position, and when the above processing is completed, a signal including the ID code of the sample transfer device 107 is transmitted to the bus. Output to line 108.
- the sample transfer device 107 Upon receiving the signal from the sample stage 106, the sample transfer device 107 moves the sample from the preliminary sample chamber to the sample stage 106 in the sample chamber, and when the above processing is completed, the sample stage 106 The signal including the ID code of the above is output to the bus line 108.
- sample stage 106 Upon receiving a signal from the sample transfer device 107, the sample stage 106 moves, and the sample moves to the ion beam irradiation position. Sample stage 106 When the movement processing is completed, a signal including the ID code of the evacuation unit 105 is output to the bus line 108.
- the evacuation unit 105 receives a signal from the sample stage 106 and closes a valve between the sample chamber and the preliminary sample chamber, thereby separating the sample chamber and the preliminary sample chamber. You. When the process of closing the valve is completed, the evacuation unit 105 outputs a signal including the ID code of the optical system control unit 103 to the bus line 108.
- the optical system controller 103 receives the signal from the evacuation unit 105 and restores the high voltage for optical control in the sample chamber, and the ID code of the host computer 102 Is output to the bus line 102. This completes a series of sample loading processes.
- the sample set as described above is scanned with an ion beam, and secondary electrons generated thereby are detected by a secondary electron detector, and data such as image data of the sample is obtained. Collected. If the collected data is classified as confidential, it is stored in the storage device 119, while if it is not classified, it is stored in the storage device 118 so that it can be accessed from the factory LAN 109. It is memorized.
- the network card 111 of the host computer 102 to the bus line 108 and the separating means 110 is used. 7 and performed by via the path line 1 1 5, e is a ne 1 J for various processes such as an image analysis by the host computer 1 0 2.
- the separation means 110 cannot be accessed from the factory LAN 109.
- the communication is performed via the network card 116 and the bus line 115, and the data is used in a manufacturing process in the factory LAN 109.
- the equipment LAN 101 and the factory LAN 109 are separated from each other by the separation means 110, the equipment LAN 101 and the factory LAN are not affected by each other. It has no effect and the confidentiality of both parties is maintained.
- the host computer 102 is accessed via the dedicated line 120.
- the factory-side LAN 109 is separated from the equipment-side LAN 101 by the separating means 110, and cannot enter the factory-side LAN 109 from the service center.
- Maintenance of the LAN 101 on the device side is possible while maintaining the confidentiality of data and the like.
- a person with a specific authority operates the input device 114 to change the setting of the separation means 110, To enable access to the LAN 101 on the device side via the network card 116, the node 115, and the network card 117 of the separation means 110 from the site LAN 109 I do.
- the input device 114 Conversely, if it is necessary to directly access the factory-side LAN 109 from the device-side LAN 101, operate the input device 114 to change the setting of the separation unit 110 as described above. In this way, the LAN 1101 on the device side can be separated from the LAN 101 on the device side via the network force 117 of the separation means 110, the bus 115, and the network force 116 of the device. From the factory to the LAN 109.
- FIG. 2 is a block diagram according to a second embodiment of the present invention, and shows an example in which a manufacturing apparatus is used as the apparatus-side LAN in FIG. still, The configuration and connection of the separation means 110 and the factory side AN109 as the first LAN are omitted because they are the same as those in FIG.
- a device-side LAN 201 as a second LAN configuring a machine tool includes a host computer 202 that performs various instruction inputs and functions as a sequencer. (Harge Coupled Device), a detection unit 203 that performs image recognition processing, a control unit 204 that performs alignment and processing of a workpiece (work), and a drive control unit 205 that performs drive processing of processing tools such as drills. ing.
- a host computer 202 that performs various instruction inputs and functions as a sequencer. (Harge Coupled Device)
- a detection unit 203 that performs image recognition processing
- control unit 204 that performs alignment and processing of a workpiece (work)
- a drive control unit 205 that performs drive processing of processing tools such as drills. ing.
- each of the processing elements 203 to 205 has a CPU, is connected to a pass line 206 together with a host computer, and uses a TC PZIP to implement a CSMA / CD system. It is connected by LAN and is connected to the factory LAN 109 via the separation means 110.
- a service center is connected to the host computer 202 via a dedicated line 207 as a communication line.
- the host computer 202 and each processing element 203-205 are given unique identification (ID) codes, and the host computer 202 and the processing elements 203-205 are connected to the host computer 202 via the bus line 206.
- ID unique identification
- the signal transmitted and received between the computer 202 and each of the processing elements 203 to 205 is configured to include the ID code, and determines the ID code included in the signal on the bus line 206. Thus, it is configured to determine whether or not the signal is addressed to itself, perform distributed processing, and perform processing of a workpiece.
- the device-side LAN 201 and the factory-side LAN 109 are separated from each other by the separating means 110, so that the device-side LAN 201 and the factory-side LAN may not affect each other. And the confidentiality of both parties will be maintained. Also, when maintenance is performed on the equipment side LAN 201 at a service center by remote control, the service Since it cannot penetrate into AN109, it is possible to maintain the confidentiality of data in the factory LAN100.
- an example of a manufacturing apparatus is described as an example of the apparatus-side LAN 201.However, a data processing apparatus is used as the host computer 202, and each of the constituent elements 202 to 205 is appropriately selected.
- Various modifications are possible, such as configuring an inspection device by using the method. In general, the inspection apparatus processes a larger amount of data than the manufacturing apparatus. Therefore, when the inspection apparatus is configured by the apparatus-side LAN, the effect of the distributed processing is greater.
- examples of the charged particle beam device, the manufacturing device, and the inspection device are given as the device-side LANs 101 and 201, but the present invention can also be applied to devices having other LAN configurations. It is also possible to use another LAN for the factory LAN.
- the maintenance of the LA 101 s 201 on the device side is performed via a wired dedicated line, the maintenance may be performed via a wireless communication line.
- the operating status of the device may be periodically transmitted to the service center by e-mail or facsimile via the communication line from the device-side LANs 1.01 and 201.
- the separating means 110 is constituted by one computer, the computer connected to the equipment-side LANs 101 and 201 and the computer connected to the factory-side LAN 109 are mutually connected. And a storage device for storing shared data may be connected to the path.
- Luo intelligent hub or the like as a separating means.
- Each of the LANs can be constituted not only by an electric cable but also by an optical fiber.
- the present invention in a network system in which a plurality of LANs are connected, it is possible to prevent the LANs from affecting each other. Further, in a network system in which a plurality of LANs are connected, it is possible to prevent influences between LANs and to maintain confidentiality.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Factory Administration (AREA)
- Small-Scale Networks (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/830,382 US7020152B1 (en) | 1998-11-05 | 1999-11-02 | Network system for controlling independent access to stored data among local area networks |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31449498 | 1998-11-05 | ||
JP10/314494 | 1998-11-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000028700A1 true WO2000028700A1 (fr) | 2000-05-18 |
Family
ID=18053984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/006122 WO2000028700A1 (fr) | 1998-11-05 | 1999-11-02 | Systeme de reseau |
Country Status (4)
Country | Link |
---|---|
US (1) | US7020152B1 (ja) |
KR (1) | KR100679969B1 (ja) |
TW (1) | TW444459B (ja) |
WO (1) | WO2000028700A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7854377B2 (en) | 2005-10-21 | 2010-12-21 | Omron Corporation | Data collection system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7934260B2 (en) * | 2006-04-27 | 2011-04-26 | The Invention Science Fund I, Llc | Virus immunization using entity-sponsored bypass network |
KR101425621B1 (ko) * | 2008-01-15 | 2014-07-31 | 삼성전자주식회사 | 컨텐츠를 안전하게 공유하는 방법 및 시스템 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05219060A (ja) * | 1992-01-31 | 1993-08-27 | Matsushita Electric Ind Co Ltd | Lan間接続装置 |
JPH06104900A (ja) * | 1992-09-22 | 1994-04-15 | Matsushita Electric Ind Co Ltd | Lan間接続方法 |
US5379292A (en) * | 1991-07-08 | 1995-01-03 | Naldec Corporation | Apparatus having priority order storages for recovery from failure of multiplex data transmission |
JPH0738599A (ja) * | 1993-07-20 | 1995-02-07 | Toshiba Corp | Lan間接続装置 |
JPH114247A (ja) * | 1997-02-20 | 1999-01-06 | Micronix America Inc | ネットワークメディアと集積回路間の自己学習機能を有するブリッジデバイス及びこれに基づく方法 |
Family Cites Families (7)
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FR2477809B1 (fr) * | 1980-03-10 | 1987-08-21 | Jeumont Schneider | Systeme de transmission rapide de messages entre calculateurs |
US5742760A (en) * | 1992-05-12 | 1998-04-21 | Compaq Computer Corporation | Network packet switch using shared memory for repeating and bridging packets at media rate |
US5781715A (en) * | 1992-10-13 | 1998-07-14 | International Business Machines Corporation | Fault-tolerant bridge/router with a distributed switch-over mechanism |
US6175571B1 (en) * | 1994-07-22 | 2001-01-16 | Network Peripherals, Inc. | Distributed memory switching hub |
US5633865A (en) * | 1995-03-31 | 1997-05-27 | Netvantage | Apparatus for selectively transferring data packets between local area networks |
US6317742B1 (en) * | 1997-01-09 | 2001-11-13 | Sun Microsystems, Inc. | Method and apparatus for controlling software access to system resources |
US6697846B1 (en) * | 1998-03-20 | 2004-02-24 | Dataplow, Inc. | Shared file system |
-
1999
- 1999-11-02 WO PCT/JP1999/006122 patent/WO2000028700A1/ja active IP Right Grant
- 1999-11-02 TW TW088119068A patent/TW444459B/zh not_active IP Right Cessation
- 1999-11-02 KR KR1020017005662A patent/KR100679969B1/ko not_active IP Right Cessation
- 1999-11-02 US US09/830,382 patent/US7020152B1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5379292A (en) * | 1991-07-08 | 1995-01-03 | Naldec Corporation | Apparatus having priority order storages for recovery from failure of multiplex data transmission |
JPH05219060A (ja) * | 1992-01-31 | 1993-08-27 | Matsushita Electric Ind Co Ltd | Lan間接続装置 |
JPH06104900A (ja) * | 1992-09-22 | 1994-04-15 | Matsushita Electric Ind Co Ltd | Lan間接続方法 |
JPH0738599A (ja) * | 1993-07-20 | 1995-02-07 | Toshiba Corp | Lan間接続装置 |
JPH114247A (ja) * | 1997-02-20 | 1999-01-06 | Micronix America Inc | ネットワークメディアと集積回路間の自己学習機能を有するブリッジデバイス及びこれに基づく方法 |
Non-Patent Citations (1)
Title |
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Printings on Scientific lectures by Automotive Engineers of Japan, Inc., 891(Automotive Engineers of Japan, Inc.), 29 May 1989, S. NIIMI et al., "The line management system development for high-speed assembly lines"(in Japanese), pages 267-270. * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7854377B2 (en) | 2005-10-21 | 2010-12-21 | Omron Corporation | Data collection system |
Also Published As
Publication number | Publication date |
---|---|
TW444459B (en) | 2001-07-01 |
US7020152B1 (en) | 2006-03-28 |
KR20010089405A (ko) | 2001-10-06 |
KR100679969B1 (ko) | 2007-02-08 |
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