DE69330970D1 - Sicheres Frontenverbindungssystem und Verfahren für Prozesssteuerungsrechner - Google Patents

Sicheres Frontenverbindungssystem und Verfahren für Prozesssteuerungsrechner

Info

Publication number
DE69330970D1
DE69330970D1 DE69330970T DE69330970T DE69330970D1 DE 69330970 D1 DE69330970 D1 DE 69330970D1 DE 69330970 T DE69330970 T DE 69330970T DE 69330970 T DE69330970 T DE 69330970T DE 69330970 D1 DE69330970 D1 DE 69330970D1
Authority
DE
Germany
Prior art keywords
connection system
front connection
control process
secure front
process control
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.)
Expired - Fee Related
Application number
DE69330970T
Other languages
English (en)
Other versions
DE69330970T2 (de
Inventor
Bruijn Ronny P De
Weele Leonardus Arie Van
Marc Louis Karel Verboven
Roger R Vermeire
Oscar E Schulze
Brian G Bell
Dale H Schultz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Benelux BV
Dow Chemical Co
Original Assignee
Dow Benelux BV
Dow Chemical Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dow Benelux BV, Dow Chemical Co filed Critical Dow Benelux BV
Publication of DE69330970D1 publication Critical patent/DE69330970D1/de
Application granted granted Critical
Publication of DE69330970T2 publication Critical patent/DE69330970T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317Testing of digital circuits
    • G01R31/3181Functional testing
    • G01R31/3183Generation of test inputs, e.g. test vectors, patterns or sequences
    • G01R31/318385Random or pseudo-random test pattern
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0421Multiprocessor system
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • G05B19/0425Safety, monitoring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428Safety, monitoring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/4185Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/4185Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
    • G05B19/41855Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/24Pc safety
    • G05B2219/24167Encryption, password, user access privileges
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/24Pc safety
    • G05B2219/24182Redundancy
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2103Challenge-response
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2129Authenticate client device independently of the user
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
DE69330970T 1992-06-12 1993-06-01 Sicheres Frontenverbindungssystem und Verfahren für Prozesssteuerungsrechner Expired - Fee Related DE69330970T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89892392A 1992-06-12 1992-06-12

Publications (2)

Publication Number Publication Date
DE69330970D1 true DE69330970D1 (de) 2001-11-22
DE69330970T2 DE69330970T2 (de) 2002-04-04

Family

ID=25410232

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69316009T Expired - Fee Related DE69316009T2 (de) 1992-06-12 1993-06-01 Sicheres frontendverbindungssystem und verfahren fur prozesssteuerungsrechner
DE69330970T Expired - Fee Related DE69330970T2 (de) 1992-06-12 1993-06-01 Sicheres Frontenverbindungssystem und Verfahren für Prozesssteuerungsrechner

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69316009T Expired - Fee Related DE69316009T2 (de) 1992-06-12 1993-06-01 Sicheres frontendverbindungssystem und verfahren fur prozesssteuerungsrechner

Country Status (9)

Country Link
US (2) US5428745A (de)
EP (2) EP0645028B1 (de)
JP (1) JPH07507893A (de)
KR (2) KR100302222B1 (de)
AU (1) AU4400993A (de)
CA (1) CA2137464C (de)
DE (2) DE69316009T2 (de)
ES (2) ES2162659T3 (de)
WO (1) WO1993025948A1 (de)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964835A (en) * 1992-12-17 1999-10-12 Tandem Computers Incorporated Storage access validation to data messages using partial storage address data indexed entries containing permissible address range validation for message source
US5631897A (en) * 1993-10-01 1997-05-20 Nec America, Inc. Apparatus and method for incorporating a large number of destinations over circuit-switched wide area network connections
US5544077A (en) * 1994-01-19 1996-08-06 International Business Machines Corporation High availability data processing system and method using finite state machines
EP0710904B1 (de) * 1994-10-25 1998-10-07 Rieter Ingolstadt Spinnereimaschinenbau AG Backplane-Steuerung für Spinnereimaschine
US5872917A (en) * 1995-06-07 1999-02-16 America Online, Inc. Authentication using random challenges
US5870473A (en) * 1995-12-14 1999-02-09 Cybercash, Inc. Electronic transfer system and method
US5758060A (en) * 1996-03-05 1998-05-26 Dallas Semiconductor Corp Hardware for verifying that software has not skipped a predetermined amount of code
US5727142A (en) * 1996-05-03 1998-03-10 International Business Machines Corporation Method for a non-disruptive host connection switch after detection of an error condition or during a host outage or failure
US8229844B2 (en) 1996-06-05 2012-07-24 Fraud Control Systems.Com Corporation Method of billing a purchase made over a computer network
US20030195847A1 (en) 1996-06-05 2003-10-16 David Felger Method of billing a purchase made over a computer network
US7555458B1 (en) 1996-06-05 2009-06-30 Fraud Control System.Com Corporation Method of billing a purchase made over a computer network
US7167924B1 (en) 1996-06-10 2007-01-23 Diebold, Incorporated Financial transaction processing system and method
US6039245A (en) * 1996-06-10 2000-03-21 Diebold, Incorporated Financial transaction processing system and method
US5822434A (en) * 1996-06-19 1998-10-13 Sun Microsystems, Inc. Scheme to allow two computers on a network to upgrade from a non-secured to a secured session
JP2000515657A (ja) * 1996-08-02 2000-11-21 トランソフト コーポレイション 共有資源の分散制御を可能にする方法と装置
EP0825506B1 (de) 1996-08-20 2013-03-06 Invensys Systems, Inc. Verfahren und Gerät zur Fernprozesssteuerung
US6912652B2 (en) * 1996-11-08 2005-06-28 Monolith Co., Ltd. Method and apparatus for imprinting ID information into a digital content and for reading out the same
US5978918A (en) * 1997-01-17 1999-11-02 Secure.Net Corporation Security process for public networks
US5826015A (en) * 1997-02-20 1998-10-20 Digital Equipment Corporation Method and apparatus for secure remote programming of firmware and configurations of a computer over a network
US5935249A (en) * 1997-02-26 1999-08-10 Sun Microsystems, Inc. Mechanism for embedding network based control systems in a local network interface device
US6151686A (en) * 1997-06-06 2000-11-21 Fmr Corp. Managing an information retrieval problem
US7290288B2 (en) * 1997-06-11 2007-10-30 Prism Technologies, L.L.C. Method and system for controlling access, by an authentication server, to protected computer resources provided via an internet protocol network
US7743247B1 (en) * 1997-08-08 2010-06-22 Synectic Design LLC Method and apparatus for secure communications
AUPO856797A0 (en) 1997-08-15 1997-09-04 AAV Australia Pty. Limited Computer system having fixed computers and mobile computers
DE19745994A1 (de) * 1997-10-20 1999-04-22 Cit Alcatel Verfahren zum Austausch von Daten zwischen Applikationsprozessen in einem sicheren Mehrrechnersystem
US6158008A (en) * 1997-10-23 2000-12-05 At&T Wireless Svcs. Inc. Method and apparatus for updating address lists for a packet filter processor
US6092110A (en) 1997-10-23 2000-07-18 At&T Wireless Svcs. Inc. Apparatus for filtering packets using a dedicated processor
US6834388B1 (en) 1998-03-13 2004-12-21 Iconics, Inc. Process control
JP3687373B2 (ja) * 1998-12-04 2005-08-24 株式会社日立製作所 高信頼分散システム
US6748451B2 (en) 1998-05-26 2004-06-08 Dow Global Technologies Inc. Distributed computing environment using real-time scheduling logic and time deterministic architecture
US6253321B1 (en) * 1998-06-19 2001-06-26 Ssh Communications Security Ltd. Method and arrangement for implementing IPSEC policy management using filter code
US6154849A (en) * 1998-06-30 2000-11-28 Sun Microsystems, Inc. Method and apparatus for resource dependency relaxation
US6272400B1 (en) 1998-07-13 2001-08-07 Helix Technology Corporation Vacuum network controller
US6311276B1 (en) * 1998-08-25 2001-10-30 3Com Corporation Secure system for remote management and wake-up commands
US7003558B2 (en) 1998-10-16 2006-02-21 Iconics, Inc. Method and system for communicating information and controlling equipment according to a standard protocol between two computers
JP3223355B2 (ja) * 1998-11-12 2001-10-29 株式会社エヌ・ティ・ティ・ドコモ 通信制御方法、通信制御装置、記録媒体およびデータ端末
US7017116B2 (en) 1999-01-06 2006-03-21 Iconics, Inc. Graphical human-machine interface on a portable device
US6192477B1 (en) * 1999-02-02 2001-02-20 Dagg Llc Methods, software, and apparatus for secure communication over a computer network
FI990715A (fi) * 1999-03-31 2000-10-01 Valmet Corp Tuotantolaitoksen huoltojärjestely
US6647301B1 (en) 1999-04-22 2003-11-11 Dow Global Technologies Inc. Process control system with integrated safety control system
WO2000070531A2 (en) 1999-05-17 2000-11-23 The Foxboro Company Methods and apparatus for control configuration
US7089530B1 (en) 1999-05-17 2006-08-08 Invensys Systems, Inc. Process control configuration system with connection validation and configuration
US6788980B1 (en) * 1999-06-11 2004-09-07 Invensys Systems, Inc. Methods and apparatus for control using control devices that provide a virtual machine environment and that communicate via an IP network
US6535937B1 (en) * 2000-02-15 2003-03-18 International Business Machines Corporation Write command verification across a PCI bus system
EP1130600A1 (de) * 2000-03-01 2001-09-05 Hewlett-Packard Company, A Delaware Corporation Datenverteilungsabbildung für Festkörperspeicher
US6424874B1 (en) * 2000-06-29 2002-07-23 Honeywell International Inc. Automated configuration of communications for an ordered collection of devices
AUPQ916600A0 (en) 2000-08-03 2000-08-24 James Hardie Research Pty Limited Automated manufactured apparatus for aluminium window/door systems
US20020061107A1 (en) * 2000-09-25 2002-05-23 Tham Terry K. Methods and apparatus for implementing a cryptography engine
US20020078342A1 (en) * 2000-09-25 2002-06-20 Broadcom Corporation E-commerce security processor alignment logic
US6968242B1 (en) * 2000-11-07 2005-11-22 Schneider Automation Inc. Method and apparatus for an active standby control system on a network
GB2372346A (en) 2001-02-19 2002-08-21 Moy Park Ltd Tracing components of a production chain
CA2357931A1 (en) * 2001-09-27 2003-03-27 Alcatel Canada Inc. System and method of selecting sources for a network element having redundant sources
US7467290B2 (en) * 2001-10-19 2008-12-16 Kingston Technology Corporation Method and system for providing a modular server on USB flash storage
US6829660B2 (en) * 2001-12-12 2004-12-07 Emulex Design & Manufacturing Corporation Supercharge message exchanger
DE10229704A1 (de) * 2002-07-02 2004-01-29 Endress + Hauser Process Solutions Ag Verfahren zum Schutz vor unerlaubtem Zugriff auf ein Feldgerät in der Prozessautomatisierungstechnik
US7289861B2 (en) * 2003-01-28 2007-10-30 Fisher-Rosemount Systems, Inc. Process control system with an embedded safety system
DE10240584A1 (de) * 2002-08-28 2004-03-11 Pilz Gmbh & Co. Sicherheitssteuerung zum fehlersicheren Steuern von sicherheitskritischen Prozessen sowie Verfahren zum Aufspielen eines neuen Betriebsprogrammes auf eine solche
US7333918B2 (en) * 2002-09-05 2008-02-19 Strategic Power Systems, Inc. System and method for calculating part life
US6813527B2 (en) * 2002-11-20 2004-11-02 Honeywell International Inc. High integrity control system architecture using digital computing platforms with rapid recovery
DE10304903A1 (de) * 2003-02-06 2004-10-28 Siemens Ag Vorrichtung zur Automatisierung und/oder Steuerung von Werkzeug- oder Produktionsmaschinen
US7281187B2 (en) * 2003-11-20 2007-10-09 Intellon Corporation Using error checking bits to communicated an address or other bits
US7761923B2 (en) 2004-03-01 2010-07-20 Invensys Systems, Inc. Process control methods and apparatus for intrusion detection, protection and network hardening
US8015154B1 (en) * 2004-06-07 2011-09-06 Teradata Us, Inc. Starting database software in response to a broadcast message
US20060090012A1 (en) * 2004-10-22 2006-04-27 Linden Cornett Modular SDD (scalable device driver) framework
US20080258864A1 (en) * 2004-10-28 2008-10-23 Mitsubishi Electeic Corporation Communication Apparatus and Communication Method
US20060155770A1 (en) * 2004-11-11 2006-07-13 Ipdev Co. System and method for time-based allocation of unique transaction identifiers in a multi-server system
US20060123098A1 (en) * 2004-11-11 2006-06-08 Ipdev Multi-system auto-failure web-based system with dynamic session recovery
US20060155753A1 (en) * 2004-11-11 2006-07-13 Marc Asher Global asynchronous serialized transaction identifier
EP1889163A1 (de) * 2005-05-27 2008-02-20 Delphi Technologies, Inc. System und verfahren zur umgehung der ausführung eines algorithmus
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
WO2007123753A2 (en) 2006-03-30 2007-11-01 Invensys Systems, Inc. Digital data processing apparatus and methods for improving plant performance
US8719128B2 (en) * 2006-12-15 2014-05-06 Tcf Financial Corporation Computer-facilitated secure account-transaction
US20100180788A1 (en) 2007-02-16 2010-07-22 Orica Explosives Technology Pty Ltd Method of communication at a blast stie, and corresponding blasting apparatus
US20090186344A1 (en) * 2008-01-23 2009-07-23 Caliper Life Sciences, Inc. Devices and methods for detecting and quantitating nucleic acids using size separation of amplicons
CN104407518B (zh) 2008-06-20 2017-05-31 因文西斯系统公司 对用于过程控制的实际和仿真设施进行交互的系统和方法
US8127060B2 (en) 2009-05-29 2012-02-28 Invensys Systems, Inc Methods and apparatus for control configuration with control objects that are fieldbus protocol-aware
US8463964B2 (en) 2009-05-29 2013-06-11 Invensys Systems, Inc. Methods and apparatus for control configuration with enhanced change-tracking
DE102009027369A1 (de) * 2009-07-01 2011-01-05 Robert Bosch Gmbh Verfahren sowie System zur Ansteuerung von mindestens einem Aktuator
CN102566527B (zh) * 2010-12-30 2015-06-10 中国科学院沈阳自动化研究所 半导体制造设备前端模块的传输控制平台化实现方法
US8762528B2 (en) * 2011-05-31 2014-06-24 General Electric Company Systems and methods for write protecting foundation fieldbus linking devices
US8850200B1 (en) 2011-06-21 2014-09-30 Synectic Design, LLC Method and apparatus for secure communications through a trusted intermediary server
US9855698B2 (en) * 2013-08-07 2018-01-02 Massachusetts Institute Of Technology Automatic process control of additive manufacturing device
IN2013MU02890A (de) * 2013-09-05 2015-07-03 Tata Consultancy Services Ltd
JP6658000B2 (ja) * 2016-01-27 2020-03-04 株式会社リコー 情報処理装置、画像出力制御方法およびプログラム
KR102141169B1 (ko) * 2018-04-10 2020-08-05 한국전자통신연구원 보안 필터 장치를 포함하는 인체 통신 시스템

Family Cites Families (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212057A (en) * 1976-04-22 1980-07-08 General Electric Company Shared memory multi-microprocessor computer system
US4074119A (en) * 1976-06-08 1978-02-14 Licentia Patent-Verwaltungs-G.M.B.H. Code word determination
US4227253A (en) * 1977-12-05 1980-10-07 International Business Machines Corporation Cryptographic communication security for multiple domain networks
US4310720A (en) * 1978-03-31 1982-01-12 Pitney Bowes Inc. Computer accessing system
US4215398A (en) * 1978-08-24 1980-07-29 Texas Instruments Incorporated Dual microprocessor intelligent programmable process control system with communication link
US4402046A (en) * 1978-12-21 1983-08-30 Intel Corporation Interprocessor communication system
US4325120A (en) * 1978-12-21 1982-04-13 Intel Corporation Data processing system
US4264782A (en) * 1979-06-29 1981-04-28 International Business Machines Corporation Method and apparatus for transaction and identity verification
US4479179A (en) * 1979-07-30 1984-10-23 International Business Machines Corporation Synchronous cycle steal mechanism for transferring data between a processor storage unit and a separate data handling unit
US4304001A (en) * 1980-01-24 1981-12-01 Forney Engineering Company Industrial control system with interconnected remotely located computer control units
NL183862C (nl) * 1980-02-04 1989-02-01 Philips Nv Telecommunicatiestelsel met gecodeerde berichtoverdracht.
US4578530A (en) * 1981-06-26 1986-03-25 Visa U.S.A., Inc. End-to-end encryption system and method of operation
US4593353A (en) * 1981-10-26 1986-06-03 Telecommunications Associates, Inc. Software protection method and apparatus
US4493028A (en) * 1982-02-02 1985-01-08 International Business Machines Corporation Dual mode I/O
US4685125A (en) * 1982-06-28 1987-08-04 American Telephone And Telegraph Company Computer system with tasking
US4539652A (en) * 1982-07-16 1985-09-03 At&T Bell Laboratories Networks for data communication
US4723284A (en) * 1983-02-14 1988-02-02 Prime Computer, Inc. Authentication system
US4670890A (en) * 1983-03-04 1987-06-02 Research Corporation Method of and/or apparatus for encoding and decoding sequential information in data handling systems
US4872106A (en) * 1983-04-06 1989-10-03 New Forney Corp. Industrial process control system with back-up data processors to take over from failed primary data processors
US4607256A (en) * 1983-10-07 1986-08-19 Honeywell, Inc. Plant management system
US4652990A (en) * 1983-10-27 1987-03-24 Remote Systems, Inc. Protected software access control apparatus and method
US4622630A (en) * 1983-10-28 1986-11-11 Data General Corporation Data processing system having unique bus control protocol
US4660141A (en) * 1983-12-06 1987-04-21 Tri Sigma Corporation Self configuring computer network with automatic bus exchange of module identification numbers and processor assigned module numbers
US4609777A (en) * 1984-02-22 1986-09-02 Gordian Systems, Inc. Solid state key for controlling access to computer software
US4596898A (en) * 1984-03-14 1986-06-24 Computer Security Systems, Inc. Method and apparatus for protecting stored and transmitted data from compromise or interception
US4625076A (en) * 1984-03-19 1986-11-25 Nippon Telegraph & Telephone Public Corporation Signed document transmission system
US4672572A (en) * 1984-05-21 1987-06-09 Gould Inc. Protector system for computer access and use
US4663704A (en) * 1984-12-03 1987-05-05 Westinghouse Electric Corp. Universal process control device and method for developing a process control loop program
US4672533A (en) * 1984-12-19 1987-06-09 Noble Richard G Electronic linkage interface control security system and method
US4800590A (en) * 1985-01-14 1989-01-24 Willis E. Higgins Computer key and computer lock system
JPS61166668A (ja) * 1985-01-19 1986-07-28 Panafacom Ltd 多重プロセツサ制御方式
US4713753A (en) * 1985-02-21 1987-12-15 Honeywell Inc. Secure data processing system architecture with format control
US4779224A (en) * 1985-03-12 1988-10-18 Moseley Donald R Identity verification method and apparatus
US4683968A (en) * 1985-09-03 1987-08-04 Burroughs Corporation System for preventing software piracy employing multi-encrypted keys and single decryption circuit modules
US4885777A (en) * 1985-09-04 1989-12-05 Hitachi, Ltd. Electronic transaction system
US4825354A (en) * 1985-11-12 1989-04-25 American Telephone And Telegraph Company, At&T Bell Laboratories Method of file access in a distributed processing computer network
US4864494A (en) * 1986-03-21 1989-09-05 Computerized Data Ssytems For Mfg., Inc. Software usage authorization system with key for decrypting/re-encrypting/re-transmitting moving target security codes from protected software
US4882752A (en) * 1986-06-25 1989-11-21 Lindman Richard S Computer security system
US4809327A (en) * 1986-09-02 1989-02-28 Unisys Corporation Encrtption of messages employing unique control words and randomly chosen encryption keys
US4839890A (en) * 1986-10-31 1989-06-13 Ncr Corporation Data bit synchronizer
US4916738A (en) * 1986-11-05 1990-04-10 International Business Machines Corp. Remote access terminal security
JPH0632047B2 (ja) * 1987-01-30 1994-04-27 株式会社東芝 デ−タ収集装置
US4771462A (en) * 1987-02-18 1988-09-13 Hannan Forrest A Communication port encryption/decryption method and apparatus
GB8704920D0 (en) * 1987-03-03 1987-04-08 Hewlett Packard Co Secure messaging system
JPS63255759A (ja) * 1987-04-14 1988-10-24 Mitsubishi Electric Corp 制御システム
JPS63278438A (ja) * 1987-05-11 1988-11-16 Hitachi Ltd 暗号手順非公開による暗号システム
US4930073A (en) * 1987-06-26 1990-05-29 International Business Machines Corporation Method to prevent use of incorrect program version in a computer system
US4881263A (en) * 1987-09-25 1989-11-14 Digital Equipment Corporation Apparatus and method for secure transmission of data over an unsecure transmission channel
US4924513A (en) * 1987-09-25 1990-05-08 Digital Equipment Corporation Apparatus and method for secure transmission of data over an unsecure transmission channel
US4796232A (en) * 1987-10-20 1989-01-03 Contel Corporation Dual port memory controller
US4937736A (en) * 1987-11-30 1990-06-26 International Business Machines Corporation Memory controller for protected memory with automatic access granting capability
US4853962A (en) * 1987-12-07 1989-08-01 Universal Computer Consulting, Inc. Encryption system
US4868851A (en) * 1988-01-26 1989-09-19 Harris Corporation Signal processing apparatus and method
US4944008A (en) * 1988-02-18 1990-07-24 Motorola, Inc. Electronic keying scheme for locking data
JPH0783337B2 (ja) * 1988-03-01 1995-09-06 日本電気株式会社 スクランブル−デスクランブル方式
US4964163A (en) * 1988-04-04 1990-10-16 Motorola, Inc. Method and apparatus for controlling access to a communication system
US4897777A (en) * 1988-04-11 1990-01-30 Square D Company Peer-to-peer register exchange controller for PLCS
US4956769A (en) * 1988-05-16 1990-09-11 Sysmith, Inc. Occurence and value based security system for computer databases
US4969189A (en) * 1988-06-25 1990-11-06 Nippon Telegraph & Telephone Corporation Authentication system and apparatus therefor
US4932054A (en) * 1988-09-16 1990-06-05 Chou Wayne W Method and apparatus for protecting computer software utilizing coded filter network in conjunction with an active coded hardware device
US4926481A (en) * 1988-12-05 1990-05-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Computer access security code system
US4919545A (en) * 1988-12-22 1990-04-24 Gte Laboratories Incorporated Distributed security procedure for intelligent networks
US4958270A (en) * 1989-01-23 1990-09-18 Honeywell Inc. Method for control data base updating of a redundant processor in a process control system
US4995040A (en) * 1989-02-03 1991-02-19 Rockwell International Corporation Apparatus for management, comparison, and correction of redundant digital data
US4996655A (en) * 1989-02-16 1991-02-26 Micron Technology, Inc. Real time monitoring of remote signals in an industrial environment
US5006976A (en) * 1989-02-23 1991-04-09 Fisher Controls International, Inc. Process control terminal
US5191611A (en) * 1989-04-03 1993-03-02 Lang Gerald S Method and apparatus for protecting material on storage media and for transferring material on storage media to various recipients
US5065429A (en) * 1989-04-03 1991-11-12 Lang Gerald S Method and apparatus for protecting material on storage media
US4926418A (en) * 1989-04-11 1990-05-15 International Business Machines Corporation Fairness algorithm for full-duplex buffer insertion ring
US4956863A (en) * 1989-04-17 1990-09-11 Trw Inc. Cryptographic method and apparatus for public key exchange with authentication
US4975865A (en) * 1989-05-31 1990-12-04 Mitech Corporation Method and apparatus for real-time control
US5003593A (en) * 1989-06-05 1991-03-26 Motorola, Inc. Teleconferencing method for a secure key management system
GB8916586D0 (en) * 1989-07-20 1989-09-06 Int Computers Ltd Distributed data processing system
US5008805A (en) * 1989-08-03 1991-04-16 International Business Machines Corporation Real time, fail safe process control system and method
US5056140A (en) * 1990-02-22 1991-10-08 Blanton Kimbell Communication security accessing system and process
US5204966A (en) * 1990-03-09 1993-04-20 Digital Equipment Corporation System for controlling access to a secure system by verifying acceptability of proposed password by using hashing and group of unacceptable passwords
NL9000968A (nl) * 1990-04-23 1991-11-18 Paul Broertjes Beveiligingssysteem voor een hoofdcomputer.
JP2703391B2 (ja) * 1990-06-18 1998-01-26 株式会社東芝 ブリッジ装置
US5204961A (en) * 1990-06-25 1993-04-20 Digital Equipment Corporation Computer network operating with multilevel hierarchical security with selectable common trust realms and corresponding security protocols
JPH04133102A (ja) * 1990-09-26 1992-05-07 Mitsubishi Electric Corp プログラマブル・コントローラ及びその制御方法
US5224163A (en) * 1990-09-28 1993-06-29 Digital Equipment Corporation Method for delegating authorization from one entity to another through the use of session encryption keys
US5196840A (en) * 1990-11-05 1993-03-23 International Business Machines Corporation Secure communications system for remotely located computers
US5379426A (en) * 1991-01-25 1995-01-03 Sun Microsystems, Inc. Method and apparatus for object oriented interprocess message switching
US5347633A (en) * 1991-04-30 1994-09-13 International Business Machines, Inc. System for selectively intercepting and rerouting data network traffic
US5319760A (en) * 1991-06-28 1994-06-07 Digital Equipment Corporation Translation buffer for virtual machines with address space match
US5191610A (en) * 1992-02-28 1993-03-02 United Technologies Automotive, Inc. Remote operating system having secure communication of encoded messages and automatic re-synchronization
US5392399A (en) * 1992-05-18 1995-02-21 3Com Corporation Bridge system for selectively routing frame with ordering parameter identifying ordering of identifiers only based upon its source identifier

Also Published As

Publication number Publication date
KR950702046A (ko) 1995-05-17
KR100302222B1 (ko) 2001-11-22
US5428745A (en) 1995-06-27
ES2162659T3 (es) 2002-01-01
WO1993025948A1 (en) 1993-12-23
CA2137464C (en) 2001-07-03
EP0810499A2 (de) 1997-12-03
DE69316009T2 (de) 1998-04-23
KR100314387B1 (ko) 2001-11-17
AU4400993A (en) 1994-01-04
DE69316009D1 (de) 1998-02-05
DE69330970T2 (de) 2002-04-04
US5561770A (en) 1996-10-01
CA2137464A1 (en) 1993-12-23
EP0645028B1 (de) 1997-12-29
ES2110613T3 (es) 1998-02-16
EP0810499B1 (de) 2001-10-17
JPH07507893A (ja) 1995-08-31
EP0645028A1 (de) 1995-03-29
EP0810499A3 (de) 1999-01-07

Similar Documents

Publication Publication Date Title
DE69330970D1 (de) Sicheres Frontenverbindungssystem und Verfahren für Prozesssteuerungsrechner
DE69326865D1 (de) Objektorientiertes Rechnersystem und Verfahren
DE69329577T2 (de) Verfahren und system für implementierung-unabhängige schnittstellenspezifikation
DE68929116T2 (de) Rechnersystem und Verfahren zur Behütung des Systemzustandes
DE69316639D1 (de) System und verfahren zur schnittstellenbildung fur transaktion-verarbeitungssystem
DE69318944T2 (de) Lagebestimmungssystem und Verfahren
DE69516374T2 (de) Datenverarbeitungssystem und Verfahren dafür
KR100329142B1 (ko) 글로벌프로세스제어정보시스템과프로세스제어방법
DE69321654D1 (de) Einmalige Anmeldungsmittel und Verfahren für verteilte Rechnersysteme
DE69331311D1 (de) Datenkommunikationssystem und Verfahren
DE69422750T2 (de) Serielles Bussystem
DE69625473T2 (de) Taktsteuerungssystem- und verfahren
DE69318475D1 (de) Verstärkerverfahren und -anlage
DE69229148T2 (de) Datenverarbeitungssystem und Verfahren
DE69331646D1 (de) Graphisches System und Verfahren
DE69331085D1 (de) Automatisiertes LSI-Entwurfsystem und Verfahren
DE69525695D1 (de) Objektbasiertes Anzeigesystem und Verfahren
DE69326076T2 (de) Rechnersystem
EP0430667A3 (en) Cladding panel and system
DE59409273D1 (de) Datenbussystem
DE69312989D1 (de) Plasma-CVD-Anlage und entsprechendes Verfahren
GB9000643D0 (en) Computer bus system
DE69423266T2 (de) Bus-Master-Rechnersystem und Verfahren
DE69318993D1 (de) Meeresseismisches Verfahren und System
DE3855509D1 (de) Multiprozessorsystem und zugehöriges Verfahren

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee