JPS5248416A - Data communication system - Google Patents
Data communication systemInfo
- Publication number
- JPS5248416A JPS5248416A JP51088086A JP8808676A JPS5248416A JP S5248416 A JPS5248416 A JP S5248416A JP 51088086 A JP51088086 A JP 51088086A JP 8808676 A JP8808676 A JP 8808676A JP S5248416 A JPS5248416 A JP S5248416A
- Authority
- JP
- Japan
- Prior art keywords
- communication system
- data communication
- data
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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]
- H04L12/42—Loop networks
- H04L12/437—Ring fault isolation or reconfiguration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
- H04B1/745—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus using by-passing or self-healing methods
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59837675A | 1975-07-23 | 1975-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5248416A true JPS5248416A (en) | 1977-04-18 |
JPS5739099B2 JPS5739099B2 (ja) | 1982-08-19 |
Family
ID=24395313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51088086A Granted JPS5248416A (en) | 1975-07-23 | 1976-07-23 | Data communication system |
Country Status (2)
Country | Link |
---|---|
US (1) | US4159470A (ja) |
JP (1) | JPS5248416A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61280144A (ja) * | 1985-06-05 | 1986-12-10 | Oki Electric Ind Co Ltd | 多重ル−プ伝送システム診断方式 |
JPS6395719U (ja) * | 1986-12-09 | 1988-06-21 | ||
JPH0634020U (ja) * | 1992-09-30 | 1994-05-06 | 石田金属工業株式会社 | ゲート装置 |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4271511A (en) * | 1979-04-25 | 1981-06-02 | Solomon Manber | Communications network |
US4264894A (en) * | 1979-06-18 | 1981-04-28 | Ellington Stephen P | Fault bypass for data transmission system |
JPS5847111B2 (ja) * | 1979-09-10 | 1983-10-20 | 株式会社日立製作所 | ル−プ伝送システム |
US4279034A (en) * | 1979-11-15 | 1981-07-14 | Bell Telephone Laboratories, Incorporated | Digital communication system fault isolation circuit |
FR2473820A1 (fr) * | 1980-01-11 | 1981-07-17 | Telecommunications Sa | Procede et systeme d'initialisation de la securisation d'une ligne d'une artere de transmission numerique |
FR2473819B1 (fr) * | 1980-01-11 | 1985-12-13 | Telecommunications Sa | Procede et systeme de securisation d'une artere de transmission numerique |
US4352103A (en) * | 1980-01-24 | 1982-09-28 | Forney Engineering Company | Industrial control system |
US4304001A (en) * | 1980-01-24 | 1981-12-01 | Forney Engineering Company | Industrial control system with interconnected remotely located computer control units |
JPS5745757A (en) * | 1980-09-03 | 1982-03-15 | Hitachi Ltd | Ring type communication system of equal level |
US4393492A (en) * | 1981-02-17 | 1983-07-12 | Reliance Electric Co. | Digital subscriber carrier system including drop terminals and bypass and loopback means and alarm indication means |
JPS57157661A (en) * | 1981-03-25 | 1982-09-29 | Hitachi Ltd | Transmission line switching system |
JPS57164636A (en) * | 1981-04-03 | 1982-10-09 | Hitachi Ltd | Control method for transmission system |
US4357598A (en) * | 1981-04-09 | 1982-11-02 | Westinghouse Electric Corp. | Three-phase power distribution network communication system |
JPS57176850A (en) * | 1981-04-23 | 1982-10-30 | Canon Inc | Transmitting system |
US4866604A (en) * | 1981-10-01 | 1989-09-12 | Stratus Computer, Inc. | Digital data processing apparatus with pipelined memory cycles |
US4453215A (en) * | 1981-10-01 | 1984-06-05 | Stratus Computer, Inc. | Central processing apparatus for fault-tolerant computing |
DE3275595D1 (en) * | 1981-10-01 | 1987-04-09 | Stratus Computer Inc | Digital data processor with fault-tolerant bus protocol |
DE3218146A1 (de) * | 1982-05-14 | 1983-11-24 | Martin, Helmut, Dr.-Ing., 3000 Hannover | Lokales netzwerk fuer hohe uebertragungsraten |
US4497031A (en) * | 1982-07-26 | 1985-01-29 | Johnson Service Company | Direct digital control apparatus for automated monitoring and control of building systems |
DE3382005D1 (de) * | 1982-08-25 | 1991-01-03 | Nec Corp | Datenuebertragungsgeraet fuer ringuebertragungssystem. |
US4531240A (en) * | 1982-09-29 | 1985-07-23 | Canon Kabushiki Kaisha | Data communication system |
US4567482A (en) * | 1982-11-12 | 1986-01-28 | The Babcock & Wilcox Company | Bypass control for stations in a communication system |
US4538264A (en) * | 1983-02-14 | 1985-08-27 | Prime Computer, Inc. | Self-repairing ring communications network |
US4703451A (en) * | 1983-05-02 | 1987-10-27 | Calabrese Frank A | Data relay system |
JPS6038950A (ja) * | 1983-08-11 | 1985-02-28 | Sumitomo Electric Ind Ltd | 伝送路制御方式 |
EP0140712B1 (en) * | 1983-10-31 | 1989-08-23 | Beale International Technology Limited | Data transmission system and method |
JP2644718B2 (ja) * | 1983-12-28 | 1997-08-25 | 株式会社日立製作所 | コンピュータシステム |
US4633246A (en) * | 1984-01-09 | 1986-12-30 | Fiberlan, Inc. | Time divison multiplex ring |
US4914574A (en) * | 1984-08-16 | 1990-04-03 | Mitsubishi Denki Kabushiki Kaisha | Data transmission apparatus having cascaded data processing modules for daisy chain data transfer |
US4833605A (en) * | 1984-08-16 | 1989-05-23 | Mitsubishi Denki Kabushiki Kaisha | Cascaded information processing module having operation unit, parallel port, and serial port for concurrent data transfer and data processing |
US4630265A (en) * | 1984-09-26 | 1986-12-16 | General Electric Company | Method and apparatus for selecting for use between data buses in a redundant bus communication system |
JPH0752876B2 (ja) * | 1985-07-20 | 1995-06-05 | ソニー株式会社 | 内部バス式デイジタル装置 |
US4752927A (en) * | 1986-04-09 | 1988-06-21 | Tektronix, Inc. | Synchronous changeover |
US4890224A (en) * | 1986-06-27 | 1989-12-26 | Hewlett-Packard Company | Method and apparatus for fault tolerant communication within a computing system |
US4847837A (en) * | 1986-11-07 | 1989-07-11 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Local area network with fault-checking, priorities and redundant backup |
DE3684155D1 (de) * | 1986-12-16 | 1992-04-09 | Ibm | Umgehungsmechanismus fuer in "daisy-chain" geschalteten einheiten. |
US4837856A (en) * | 1987-05-04 | 1989-06-06 | Glista Jr Andrew S | Fault-tolerant fiber optic coupler/repeater for use in high speed data transmission and the like |
DE3715586C1 (ja) * | 1987-05-09 | 1988-09-22 | Gewerkschaft Eisenhuette Westfalia Gmbh, 4670 Luenen, De | |
US4780869A (en) * | 1987-05-20 | 1988-10-25 | Allen-Bradley Company, Inc. | Local area network redundancy system |
KR900702690A (ko) * | 1988-08-24 | 1990-12-08 | 가따다 데쯔야 | 직렬제어장치 |
WO1990009713A1 (de) * | 1989-02-17 | 1990-08-23 | Robert Bosch Gmbh | Netzwerkschnittstelle |
US5081624A (en) * | 1989-12-29 | 1992-01-14 | International Business Machines Corporation | Fault-tolerant serial attachment of remote high-speed i/o busses |
US5287534A (en) * | 1990-01-04 | 1994-02-15 | Digital Equipment Corporation | Correcting crossover distortion produced when analog signal thresholds are used to remove noise from signal |
US5110189A (en) * | 1990-11-16 | 1992-05-05 | Tamrock World Corporation | Redundant remote control system used on a continuous miner and method of using same |
GB9201126D0 (en) * | 1992-01-20 | 1992-03-11 | Madge Networks Ltd | Communication system |
US5485465A (en) * | 1992-05-20 | 1996-01-16 | The Whitaker Corporation | Redundancy control for a broadcast data transmission system |
FR2691558B1 (fr) * | 1992-05-21 | 1997-08-01 | Sextant Avionique | Dispositif de gestion de la priorite d'acces a des ressources communes, de modules fonctionnels repartis dans une pluralite d'unites locales en formant dans chacune de celles-ci, une "daisy chain" locale. |
GB2318262B (en) * | 1996-10-08 | 2000-11-08 | Ibm | Bypass circuit for data processing system |
US6448671B1 (en) * | 1999-08-05 | 2002-09-10 | Trw Inc. | Distributed vehicle safety system having fault protection |
US6631476B1 (en) * | 1999-12-22 | 2003-10-07 | Rockwell Automation Technologies, Inc. | Safety network for industrial controller providing redundant connections on single media |
US7073083B2 (en) * | 2001-07-18 | 2006-07-04 | Thomas Licensing | Method and system for providing emergency shutdown of a malfunctioning device |
JP4328705B2 (ja) * | 2004-02-27 | 2009-09-09 | 均 北吉 | Rfidタグ装置 |
US7570601B2 (en) * | 2005-04-06 | 2009-08-04 | Broadcom Corporation | High speed autotrunking |
EP2306635A3 (en) * | 2005-06-30 | 2017-07-26 | Continental Automotive Systems, Inc. | Control system for electric drives |
US8970237B2 (en) | 2012-05-07 | 2015-03-03 | Tesla Motors, Inc. | Wire break detection in redundant communications |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5022505A (ja) * | 1973-05-30 | 1975-03-11 | ||
JPS5044702A (ja) * | 1973-07-25 | 1975-04-22 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3048840A (en) * | 1956-03-06 | 1962-08-07 | Itt | Communication system |
US3213370A (en) * | 1961-03-13 | 1965-10-19 | Ibm | Signal selecting system with switching at the interstice between data increments |
US3451042A (en) * | 1964-10-14 | 1969-06-17 | Westinghouse Electric Corp | Redundant signal transmission system |
CH443421A (it) * | 1965-05-06 | 1967-09-15 | Sits Soc It Telecom Siemens | Disposizione di circuiti atta a comandare la commutazione esercizio-riserva in una pluralità di canali hertziani, costituita da più canali di esercizio e da un unico canale di riserva |
BE731482A (ja) * | 1968-05-15 | 1969-09-15 | ||
GB1234579A (ja) * | 1968-09-24 | 1971-06-03 | ||
JPS534761B2 (ja) * | 1971-12-10 | 1978-02-21 | ||
US3742154A (en) * | 1971-12-30 | 1973-06-26 | Bell Telephone Labor Inc | Continuous inband testing of trunks with automatic trunk substitution upon detecting a defective trunk |
US3845472A (en) * | 1972-12-15 | 1974-10-29 | Johnson Service Co | Data communication system employing a series loop |
US3812299A (en) * | 1973-03-28 | 1974-05-21 | Gte Automatic Electric Lab Inc | Arrangement for protecting a common highway in a common control communication switching system |
US4011542A (en) * | 1973-05-29 | 1977-03-08 | Trw Inc. | Redundant data transmission system |
US3876983A (en) * | 1974-04-29 | 1975-04-08 | Ibm | Synchronous disconnection and rearrangement |
US3878463A (en) * | 1973-06-06 | 1975-04-15 | Bell Telephone Labor Inc | Automatic channel switching system |
US3851311A (en) * | 1973-09-17 | 1974-11-26 | Gte Automatic Electric Lab Inc | Arrangement and method for protecting a common highway from false signals |
SE369017B (ja) * | 1973-09-27 | 1974-07-29 | Ericsson Telefon Ab L M | |
JPS5438844B2 (ja) * | 1974-07-19 | 1979-11-24 | ||
US3920975A (en) * | 1974-11-14 | 1975-11-18 | Rockwell International Corp | Data communications network remote test and control system |
-
1976
- 1976-07-23 JP JP51088086A patent/JPS5248416A/ja active Granted
-
1977
- 1977-05-16 US US05/797,368 patent/US4159470A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5022505A (ja) * | 1973-05-30 | 1975-03-11 | ||
JPS5044702A (ja) * | 1973-07-25 | 1975-04-22 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61280144A (ja) * | 1985-06-05 | 1986-12-10 | Oki Electric Ind Co Ltd | 多重ル−プ伝送システム診断方式 |
JPS6395719U (ja) * | 1986-12-09 | 1988-06-21 | ||
JPH0634020U (ja) * | 1992-09-30 | 1994-05-06 | 石田金属工業株式会社 | ゲート装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS5739099B2 (ja) | 1982-08-19 |
US4159470A (en) | 1979-06-26 |
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