SE444619B - Sett att i ett digitalt datakommunikationsnet forhindra samtidig overforing av meddelanden av flera anordningar samt system for genomforande av settet - Google Patents

Sett att i ett digitalt datakommunikationsnet forhindra samtidig overforing av meddelanden av flera anordningar samt system for genomforande av settet

Info

Publication number
SE444619B
SE444619B SE8005993A SE8005993A SE444619B SE 444619 B SE444619 B SE 444619B SE 8005993 A SE8005993 A SE 8005993A SE 8005993 A SE8005993 A SE 8005993A SE 444619 B SE444619 B SE 444619B
Authority
SE
Sweden
Prior art keywords
bus
message
signal
elevator
data
Prior art date
Application number
SE8005993A
Other languages
English (en)
Swedish (sv)
Other versions
SE8005993L (sv
Inventor
Mesa Iii N P De
J E Laabs
Original Assignee
Harris Graphics Corp
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 Harris Graphics Corp filed Critical Harris Graphics Corp
Publication of SE8005993L publication Critical patent/SE8005993L/
Publication of SE444619B publication Critical patent/SE444619B/sv

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
    • G06F13/376—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a contention resolving method, e.g. collision detection, collision avoidance

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Bus Control (AREA)
  • Communication Control (AREA)
  • Multi Processors (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
SE8005993A 1978-12-27 1980-08-27 Sett att i ett digitalt datakommunikationsnet forhindra samtidig overforing av meddelanden av flera anordningar samt system for genomforande av settet SE444619B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/973,684 US4281380A (en) 1978-12-27 1978-12-27 Bus collision avoidance system for distributed network data processing communications system

Publications (2)

Publication Number Publication Date
SE8005993L SE8005993L (sv) 1980-08-27
SE444619B true SE444619B (sv) 1986-04-21

Family

ID=25521141

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8005993A SE444619B (sv) 1978-12-27 1980-08-27 Sett att i ett digitalt datakommunikationsnet forhindra samtidig overforing av meddelanden av flera anordningar samt system for genomforande av settet

Country Status (8)

Country Link
US (1) US4281380A (de)
EP (1) EP0020747B1 (de)
JP (1) JPS639261B2 (de)
CA (1) CA1140231A (de)
DE (1) DE2953444C2 (de)
GB (1) GB2057822B (de)
SE (1) SE444619B (de)
WO (1) WO1980001426A1 (de)

Families Citing this family (123)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH632365A5 (de) * 1978-01-30 1982-09-30 Patelhold Patentverwertung Datenaustauschverfahren zwischen mehreren partnern.
US4498187A (en) * 1979-10-30 1985-02-05 Pitney Bowes Inc. Electronic postage meter having plural computing systems
US4525785A (en) * 1979-10-30 1985-06-25 Pitney Bowes Inc. Electronic postage meter having plural computing system
US4304001A (en) * 1980-01-24 1981-12-01 Forney Engineering Company Industrial control system with interconnected remotely located computer control units
JPS56140459A (en) * 1980-04-04 1981-11-02 Hitachi Ltd Data processing system
US4390969A (en) * 1980-04-21 1983-06-28 Burroughs Corporation Asynchronous data transmission system with state variable memory and handshaking protocol circuits
US4428046A (en) 1980-05-05 1984-01-24 Ncr Corporation Data processing system having a star coupler with contention circuitry
US4387425A (en) * 1980-05-19 1983-06-07 Data General Corporation Masterless and contentionless computer network
FR2490434B1 (fr) * 1980-09-12 1988-03-18 Quinquis Jean Paul Dispositif de resolution des conflits d'acces et d'allocation d'une liaison de type bus interconnectant un ensemble de processeurs non hierarchises
US4395710A (en) * 1980-11-26 1983-07-26 Westinghouse Electric Corp. Bus access circuit for high speed digital data communication
US4375639A (en) * 1981-01-12 1983-03-01 Harris Corporation Synchronous bus arbiter
US4493021A (en) * 1981-04-03 1985-01-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multicomputer communication system
US4583161A (en) * 1981-04-16 1986-04-15 Ncr Corporation Data processing system wherein all subsystems check for message errors
US4409592A (en) * 1981-04-20 1983-10-11 Hunt V Bruce Multipoint packet data communication system using random access and collision detection techniques
US4432088A (en) * 1981-04-30 1984-02-14 The United States Of America As Represented By The United States Department Of Energy Carrier sense data highway system
US4445193A (en) * 1981-06-16 1984-04-24 International Business Machines Corporation Bisynchronous host/terminal communication system with non-clock-generating modem & PLL generated clock signal
US4472787A (en) * 1981-08-12 1984-09-18 Rockwell International Corporation System for transferring words on a bus with capability to intermix first attempts and retrys
US4456956A (en) * 1981-08-24 1984-06-26 Data General Corp. Method and apparatus for controlling access of a network transmission bus between a plurality of spaced apart computer stations
US4410889A (en) * 1981-08-27 1983-10-18 Burroughs Corporation System and method for synchronizing variable-length messages in a local area network data communication system
US4430651A (en) 1981-08-27 1984-02-07 Burroughs Corporation Expandable and contractible local area network system
JPS5843648A (ja) * 1981-09-09 1983-03-14 Toshiba Corp コミユニケ−シヨン方式
FR2513048A1 (fr) * 1981-09-16 1983-03-18 Seinep Ste Electro Nord Est Pa Procede de telecommunication par voie hertzienne et dispositif pour sa mise en oeuvre
JPS5868346A (ja) * 1981-10-18 1983-04-23 Toshiba Corp デ−タ伝送システム
US4451881A (en) * 1981-11-03 1984-05-29 International Business Machines Corp. Data processing system bus for multiple independent users
US4463445A (en) * 1982-01-07 1984-07-31 Bell Telephone Laboratories, Incorporated Circuitry for allocating access to a demand-shared bus
US4516239A (en) * 1982-03-15 1985-05-07 At&T Bell Laboratories System, apparatus and method for controlling a multiple access data communications system including variable length data packets and fixed length collision-free voice packets
GB2117939A (en) * 1982-03-29 1983-10-19 Ncr Co Data communication network and method of communication
US4488237A (en) * 1982-04-29 1984-12-11 Dynamics Research Corporation Two dimensional press brake control system and apparatus
US4481626A (en) * 1982-05-05 1984-11-06 Xerox Corporation Transceiver multiplexor
US4639860A (en) * 1982-05-12 1987-01-27 Honeywell Information Systems Inc. Wrap-around logic for interprocessor communications
US4574378A (en) * 1982-06-14 1986-03-04 Nec Corporation Multiple access system and method
JPS592464A (ja) * 1982-06-29 1984-01-09 Fuji Xerox Co Ltd チヤンネルアクセス方式
JPS5913444A (ja) * 1982-07-14 1984-01-24 Fuji Xerox Co Ltd 再送制御方式
US4532626A (en) * 1982-07-19 1985-07-30 At&T Bell Laboratories Collision avoiding system and protocol for a two path multiple access digital communications system
IT1155575B (it) * 1982-07-27 1987-01-28 Cselt Centro Studi Lab Telecom Interfaccia multipla di comunicazione tra elaboratore di processo e mezzo trasmissivo numerico
US4554656A (en) * 1982-08-11 1985-11-19 At&T Bell Laboratories Method and system for controlling the interconnecting of a plurality of local data networks
US4739321A (en) * 1983-02-28 1988-04-19 Computer Automation, Inc. Decentralized line reservation interface within a local data network
US4608559A (en) * 1982-08-19 1986-08-26 Computer Automation, Inc. Local modulated carrier data network with a collision avoidance protocol
US4744024A (en) * 1982-08-27 1988-05-10 Burroughs Corporation Method of operating a bus in a data processing system via a repetitive three stage signal sequence
US5142689A (en) * 1982-09-27 1992-08-25 Siemens Nixdort Informationssysteme Ag Process for the preparation of the connection of one of several data processor devices to a centrally synchronized multiple line system
JPS59115633A (ja) * 1982-12-22 1984-07-04 Toshiba Corp 情報伝送方式
US4584679A (en) * 1983-01-21 1986-04-22 E-Systems, Inc. Tack-on acknowledgement in computer networks
US4536877A (en) * 1983-01-21 1985-08-20 E-Systems, Inc. Tack-on acknowledgment in computer networks
US4573045A (en) * 1983-01-24 1986-02-25 Intel Corporation Collision detection method using CRC code
US4628504A (en) * 1983-01-31 1986-12-09 Honeywell Inc. Distributed bus control communication protocol
US4494233A (en) * 1983-02-14 1985-01-15 Prime Computer, Inc. Method and apparatus for the detection and regeneration of a lost token in a token based data communications network
US4613936A (en) * 1983-02-25 1986-09-23 International Business Machines Corporation Centralized generation of data transfer acknowledge pulses for microprocessors
US4569046A (en) * 1983-07-18 1986-02-04 Northern Telecom Limited Method of, and a terminal for, transmitting bytes to a bus
US4763249A (en) * 1983-09-22 1988-08-09 Digital Equipment Corporation Bus device for use in a computer system having a synchronous bus
US4807109A (en) * 1983-11-25 1989-02-21 Intel Corporation High speed synchronous/asynchronous local bus and data transfer method
JPH0638600B2 (ja) * 1983-12-28 1994-05-18 株式会社東芝 ローカルエリアネットワークシステム
DE3402633A1 (de) * 1984-01-26 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum anschalten eines teilnehmers an eine busleitung
US4601586A (en) * 1984-02-10 1986-07-22 Prime Computer, Inc. Solicited message packet transfer system
US4602364A (en) * 1984-04-23 1986-07-22 Codex Corporation Local area data communication network
US4763243A (en) * 1984-06-21 1988-08-09 Honeywell Bull Inc. Resilient bus system
JPS6143345A (ja) * 1984-08-07 1986-03-01 Nec Corp メモリ装置
US4707828A (en) * 1984-09-11 1987-11-17 Ricoh Company, Ltd. Multiaccess communication system
US4644348A (en) * 1984-11-13 1987-02-17 Itt Corporation Apparatus for providing masterless collision detection
US4704606A (en) * 1984-11-13 1987-11-03 American Telephone And Telegraph Company And At&T Information Systems Inc. Variable length packet switching system
AU583316B2 (en) * 1984-11-13 1989-04-27 Alcatel N.V. Apparatus for masterless collision detection
US4638311A (en) * 1984-11-13 1987-01-20 Itt Corporation Apparatus for providing masterless collision detection
JP2548693B2 (ja) * 1985-03-13 1996-10-30 キヤノン株式会社 シリアルデータ通信方式および装置
US4908749A (en) * 1985-11-15 1990-03-13 Data General Corporation System for controlling access to computer bus having address phase and data phase by prolonging the generation of request signal
US4791562A (en) * 1985-12-02 1988-12-13 Unisys Corporation Data processing system in which modules logically "OR" number sequences onto control lines to obtain the use of a time shared bus
US4785396A (en) * 1986-01-28 1988-11-15 Intel Corporation Push-pull serial bus coupled to a plurality of devices each having collision detection circuit and arbitration circuit
US4858173A (en) * 1986-01-29 1989-08-15 Digital Equipment Corporation Apparatus and method for responding to an aborted signal exchange between subsystems in a data processing system
US4706082A (en) * 1986-02-24 1987-11-10 Chrysler Motors Corporation Serial data bus for intermodule data communications
US4742349A (en) * 1986-05-22 1988-05-03 Chrysler Motors Corporation Method for buffered serial peripheral interface (SPI) in a serial data bus
US4739323A (en) * 1986-05-22 1988-04-19 Chrysler Motors Corporation Serial data bus for serial communication interface (SCI), serial peripheral interface (SPI) and buffered SPI modes of operation
US4739324A (en) * 1986-05-22 1988-04-19 Chrysler Motors Corporation Method for serial peripheral interface (SPI) in a serial data bus
US4704717A (en) * 1986-07-22 1987-11-03 Prime Computer, Inc. Receive message processor for a solicited message packet transfer system
JPS6358567A (ja) * 1986-08-28 1988-03-14 Nec Corp 直列インタフエ−スバス方式
US4969121A (en) * 1987-03-02 1990-11-06 Altera Corporation Programmable integrated circuit logic array device having improved microprocessor connectability
US4768189A (en) * 1987-06-17 1988-08-30 Bell Communications Research, Inc. High capacity communication utilizing static, OR-type channels
US4782513A (en) * 1987-06-30 1988-11-01 Honeywell Inc. Voice prompted bar code reading satellite system
US5038681A (en) * 1988-01-19 1991-08-13 Jimek International Ab Control method and apparatus for spray dampener
US4899143A (en) * 1988-04-21 1990-02-06 Bell Communications Research, Inc. High capacity communication system over collision-type channels
US4852091A (en) * 1988-04-21 1989-07-25 Bell Communications Research, Inc. High capacity communication system utilizing OR-type channels
US5193179A (en) * 1988-08-09 1993-03-09 Harris Corporation Activity monitor system non-obtrusive statistical monitoring of operations on a shared bus of a multiprocessor system
FR2642246B1 (fr) * 1988-12-30 1991-04-05 Cit Alcatel Procede de deblocage d'un systeme multiprocesseurs multibus
US6389010B1 (en) * 1995-10-05 2002-05-14 Intermec Ip Corp. Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
US5414818A (en) * 1990-04-06 1995-05-09 Mti Technology Corporation Method and apparatus for controlling reselection of a bus by overriding a prioritization protocol
US5187709A (en) * 1990-05-08 1993-02-16 Caterpillar Inc. Fault tolerant serial communications network
US5124990A (en) * 1990-05-08 1992-06-23 Caterpillar Inc. Diagnostic hardware for serial datalink
US5204864A (en) * 1990-08-16 1993-04-20 Westinghouse Electric Corp. Multiprocessor bus debugger
GB2249460B (en) * 1990-09-19 1994-06-29 Intel Corp Network providing common access to dissimilar hardware interfaces
US5243702A (en) * 1990-10-05 1993-09-07 Bull Hn Information Systems Inc. Minimum contention processor and system bus system
US5282272A (en) * 1990-12-21 1994-01-25 Intel Corporation Interrupt distribution scheme for a computer bus
US5191649A (en) * 1990-12-21 1993-03-02 Intel Corporation Multiprocessor computer system with data bus and ordered and out-of-order split data transactions
US5825773A (en) * 1991-03-20 1998-10-20 Hitachi, Ltd. Switching system for transferring broadcast packet held in broadcast buffer received from input port to output ports according to the state of each output port
DE69230510T2 (de) * 1991-03-28 2000-09-14 Hughes Electronics Corp Bidirektionaler und programmierbarer E/A-Treiber
JPH07122864B2 (ja) * 1991-07-22 1995-12-25 インターナショナル・ビジネス・マシーンズ・コーポレイション データ処理システム、データ処理システムに使用するインターフエース回路及びデータ・プロセツサ間の通信方法
JP3679813B2 (ja) * 1991-07-22 2005-08-03 株式会社日立製作所 並列計算機
JP3411300B2 (ja) * 1992-02-18 2003-05-26 株式会社日立製作所 情報処理装置
CA2091093C (en) * 1992-03-06 1999-07-06 Peter C. Di Giulio Event driven communication network
US5488693A (en) * 1992-06-24 1996-01-30 At&T Corp. Protocol with control bits and bytes for controlling the order of communications between a master processor and plural slave processors
US5758053A (en) * 1992-07-22 1998-05-26 Hitachi, Ltd. Fault handling and recovery for system having plural processors
US5339440A (en) * 1992-08-21 1994-08-16 Hewlett-Packard Co. Wait state mechanism for a high speed bus which allows the bus to continue running a preset number of cycles after a bus wait is requested
US5500946A (en) * 1992-11-25 1996-03-19 Texas Instruments Incorporated Integrated dual bus controller
US5392420A (en) * 1993-09-30 1995-02-21 Intel Corporation In circuit emulator(ICE) that flags events occuring in system management mode(SMM)
US5571479A (en) * 1994-02-18 1996-11-05 Hoffmann-La Roche Inc. Cuvette
EP0758465A4 (de) * 1994-04-29 1998-11-11 Electronic Warfare Associates System zum registrieren und kontrollieren von flüssigkeiten mit vernetzten funktionalen modulen
JPH08204784A (ja) * 1995-01-31 1996-08-09 Mitsubishi Denki Semiconductor Software Kk シリアル入出力回路を内蔵したマイクロコンピュータ
EP0784837B1 (de) * 1995-07-05 2001-11-07 Koninklijke Philips Electronics N.V. Übertragungssystem zwischen einer dynamischen gruppe von vorrichtungen
JP3684685B2 (ja) * 1996-07-01 2005-08-17 ブラザー工業株式会社 双方向通信認識方法、双方向通信認識装置および記憶媒体
US5884052A (en) * 1997-07-14 1999-03-16 Vlsi Technology, Inc. Smart retry mechanism to program the retry latency of a PCI initiator agent
US6081859A (en) * 1998-03-12 2000-06-27 Vlsi Technology, Inc. Address dependent retry system to program the retry latency of an initiator PCI agent
US6311296B1 (en) * 1998-12-29 2001-10-30 Intel Corporation Bus management card for use in a system for bus monitoring
US6631115B1 (en) * 1999-01-28 2003-10-07 International Business Machines Corporation Method, apparatus and program product for balancing communication loads over a network
US6687260B1 (en) * 1999-02-12 2004-02-03 Conexant Systems, Inc. Apparatus and methods for flow control of non-isochronous data
TW420911B (en) * 1999-03-15 2001-02-01 Actpro Internat Hk Ltd Mixed mode transceiver digital control network and collision-free communication method
US6477150B1 (en) * 2000-03-03 2002-11-05 Qualcomm, Inc. System and method for providing group communication services in an existing communication system
DE10148325A1 (de) * 2001-09-29 2003-04-17 Daimler Chrysler Ag Buswächtereinheit
DE10229860A1 (de) * 2002-07-03 2004-01-29 Infineon Technologies Ag Verfahren und Sendevorrichtung zum Übertragen eines zweiwertigen Signals
US8411594B2 (en) 2002-09-20 2013-04-02 Qualcomm Incorporated Communication manager for providing multimedia in a group communication network
US7096289B2 (en) * 2003-01-16 2006-08-22 International Business Machines Corporation Sender to receiver request retry method and apparatus
US20060026329A1 (en) * 2004-07-30 2006-02-02 Yu James K System and method for an arbiter rewind
KR100679858B1 (ko) * 2004-11-25 2007-02-07 한국전자통신연구원 동적 우선순위에 기반한 메시지 전달 장치 및 그를 이용한우선순위 조정 장치와 동적 우선순위 메시지 처리 방법
US7797394B2 (en) * 2005-04-18 2010-09-14 Dell Products L.P. System and method for processing commands in a storage enclosure
DE102011082509A1 (de) * 2011-09-12 2013-03-14 Continental Automotive Gmbh Schaltungsanordnung zur Vermeidung von Kollisionen beim Datentransfer
CN103530215B (zh) * 2013-09-30 2015-12-02 杭州华为数字技术有限公司 一种内部集成电路主机的自检方法、装置及主机
KR102201499B1 (ko) * 2018-08-30 2021-01-12 중앙대학교 산학협력단 탄저병 저항성 식물체 선발용 분자마커 및 이의 이용
CN113100723A (zh) * 2021-04-01 2021-07-13 广州南雪医疗器械有限公司 一种多功能检测仪

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470542A (en) * 1967-03-17 1969-09-30 Wang Laboratories Modular system design
US3445822A (en) * 1967-07-14 1969-05-20 Ibm Communication arrangement in data processing system
US3825897A (en) * 1973-09-24 1974-07-23 Electronic Surveillance Corp L Transmitter control circuit for alarm system
US4017841A (en) * 1973-11-23 1977-04-12 Honeywell Inc. Bus allocation control apparatus
GB1480208A (en) * 1974-07-03 1977-07-20 Data Loop Ltd Digital computers
US4063220A (en) * 1975-03-31 1977-12-13 Xerox Corporation Multipoint data communication system with collision detection
US3978451A (en) * 1975-04-21 1976-08-31 Rca Corporation Controlling communications between computer devices over common bus
US4038644A (en) * 1975-11-19 1977-07-26 Ncr Corporation Destination selection apparatus for a bus oriented computer system
US4050097A (en) * 1976-09-27 1977-09-20 Honeywell Information Systems, Inc. Synchronization technique for data transfers over an asynchronous common bus network coupling data processing apparatus
US4120029A (en) * 1976-12-27 1978-10-10 Honeywell Information Systems, Inc. Method and apparatus for recovering a signal transferred over a common bus in a data processing system

Also Published As

Publication number Publication date
CA1140231A (en) 1983-01-25
DE2953444C2 (de) 1985-05-23
US4281380A (en) 1981-07-28
JPS639261B2 (de) 1988-02-26
EP0020747A1 (de) 1981-01-07
GB2057822B (en) 1983-10-05
GB2057822A (en) 1981-04-01
SE8005993L (sv) 1980-08-27
WO1980001426A1 (en) 1980-07-10
DE2953444T1 (de) 1980-12-18
JPS56500152A (de) 1981-02-12
EP0020747A4 (de) 1981-04-24
EP0020747B1 (de) 1984-07-18

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