CA1016266A - Data communication system employing a series loop - Google Patents

Data communication system employing a series loop

Info

Publication number
CA1016266A
CA1016266A CA188,221A CA188221A CA1016266A CA 1016266 A CA1016266 A CA 1016266A CA 188221 A CA188221 A CA 188221A CA 1016266 A CA1016266 A CA 1016266A
Authority
CA
Canada
Prior art keywords
communication system
data communication
system employing
series loop
loop
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
Application number
CA188,221A
Other languages
English (en)
Inventor
Paul H. Froehling
Gary F. Oman
Stuart R. Buchanan
Thomas W. Huebner
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.)
Johnson Service Co
Original Assignee
Johnson Service 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 Johnson Service Co filed Critical Johnson Service Co
Application granted granted Critical
Publication of CA1016266A publication Critical patent/CA1016266A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/14—Calling by using pulses
    • 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
    • H04L12/423—Loop networks with centralised control, e.g. polling
CA188,221A 1972-12-15 1973-12-14 Data communication system employing a series loop Expired CA1016266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00315567A US3845472A (en) 1972-12-15 1972-12-15 Data communication system employing a series loop

Publications (1)

Publication Number Publication Date
CA1016266A true CA1016266A (en) 1977-08-23

Family

ID=23225029

Family Applications (4)

Application Number Title Priority Date Filing Date
CA188,221A Expired CA1016266A (en) 1972-12-15 1973-12-14 Data communication system employing a series loop
CA255,607A Expired CA1024264A (en) 1972-12-15 1976-06-24 Data communication system employing a series loop
CA255,609A Expired CA1024265A (en) 1972-12-15 1976-06-24 Data communication system employing a series loop
CA255,608A Expired CA1022685A (en) 1972-12-15 1976-06-24 Data communication system employing a series loop

Family Applications After (3)

Application Number Title Priority Date Filing Date
CA255,607A Expired CA1024264A (en) 1972-12-15 1976-06-24 Data communication system employing a series loop
CA255,609A Expired CA1024265A (en) 1972-12-15 1976-06-24 Data communication system employing a series loop
CA255,608A Expired CA1022685A (en) 1972-12-15 1976-06-24 Data communication system employing a series loop

Country Status (12)

Country Link
US (1) US3845472A (de)
JP (4) JPS4997504A (de)
AU (3) AU475300B2 (de)
BE (1) BE808683A (de)
BR (1) BR7309830D0 (de)
CA (4) CA1016266A (de)
DE (1) DE2362344C3 (de)
FR (1) FR2330290A5 (de)
GB (4) GB1451368A (de)
IT (1) IT1000339B (de)
NL (1) NL7317165A (de)
ZA (1) ZA739253B (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138669A (en) * 1974-05-03 1979-02-06 Compagnie Francaise des Petroles "TOTAL" Remote monitoring and controlling system for subsea oil/gas production equipment
US3921137A (en) * 1974-06-25 1975-11-18 Ibm Semi static time division multiplex slot assignment
US3961139A (en) * 1975-05-14 1976-06-01 International Business Machines Corporation Time division multiplexed loop communication system with dynamic allocation of channels
JPS5248416A (en) * 1975-07-23 1977-04-18 Johnson Controls Inc Data communication system
US4090248A (en) * 1975-10-24 1978-05-16 Powers Regulator Company Supervisory and control system for environmental conditioning equipment
FR2406916A1 (fr) * 1977-10-18 1979-05-18 Ibm France Systeme de transmission de donnees decentralise
JPS5534586A (en) * 1978-09-04 1980-03-11 Pioneer Electronic Corp Trouble detecting system in two-ways data communication system
US4213182A (en) * 1978-12-06 1980-07-15 General Electric Company Programmable energy load controller system and methods
FR2468259B1 (fr) * 1979-10-24 1987-08-28 Gendrot Andre Systeme de transmission de proche en proche pour la distribution et/ou la collecte d'information
US4484258A (en) * 1979-10-30 1984-11-20 General Electric Company Apparatus for controlling distributed electrical loads
US4511895A (en) * 1979-10-30 1985-04-16 General Electric Company Method and apparatus for controlling distributed electrical loads
JPH0671270B2 (ja) * 1982-01-26 1994-09-07 株式会社日立製作所 データ伝送ネットワーク
US4497031A (en) * 1982-07-26 1985-01-29 Johnson Service Company Direct digital control apparatus for automated monitoring and control of building systems
JPS59108187A (ja) * 1982-12-14 1984-06-22 東洋電機製造株式会社 表示装置
IT1169167B (it) * 1983-02-15 1987-05-27 Gd Spa Sistema di controllo funzionale per trasduttori di uscita di un'unita' centrale di controllo e comando per macchine e/o dispositivi utilizzabili in linee di produzione e/o confezionamento di prodotti
FI834015A (fi) * 1983-11-01 1985-05-02 Rakennusvalmiste Oy Regleringssystem.
DE3445521A1 (de) * 1984-12-13 1986-06-19 Siemens AG, 1000 Berlin und 8000 München Schnittstellenbaustein
GB8431883D0 (en) * 1984-12-18 1985-01-30 Gent Ltd Transmission system
JPS61177841A (ja) * 1985-02-04 1986-08-09 Mitsubishi Electric Corp 直列伝送装置
JPH0783368B2 (ja) * 1985-03-27 1995-09-06 株式会社日立製作所 多元情報伝送システム
GB2173618B (en) * 1985-04-12 1988-09-14 Emi Ltd Alarm monitoring installation
JPS6271678U (de) * 1985-10-24 1987-05-07
EP0383946A4 (en) * 1988-08-24 1992-08-19 Kabushiki Kaisha Komatsu Seisakusho Series control apparatus
JPH07101474B2 (ja) * 1988-10-20 1995-11-01 ニッタン株式会社 監視警報装置
US4897587A (en) * 1988-12-08 1990-01-30 Pitney Bowes Inc. Microprocessor motor controller having discrete processing cycles
FR2682245B1 (fr) * 1991-10-08 1994-07-29 Bull Sa Systeme de test d'un reseau en forme d'anneau a tres haut debit et procede de mise en óoeuvre de ce systeme.
FI95184C (fi) * 1992-04-16 1995-12-27 Tapio Marttinen Menetelmä digitaalisen tiedon siirtämiseksi
US6339698B1 (en) 1993-07-30 2002-01-15 British Telecommunications Public Limited Company Communications system with controlled selective measuring of traffic properties
MX9602687A (es) * 1994-02-23 1997-05-31 Rosemount Inc Transmisor de campo para almacenar informacion.
US5759102A (en) * 1996-02-12 1998-06-02 International Game Technology Peripheral device download method and apparatus
KR970072676A (ko) * 1996-04-19 1997-11-07 김광호 이중화모듈 절체장치
DE19624528B4 (de) * 1996-06-20 2009-05-20 Robert Bosch Gmbh Verfahren zur Steuerung von Informationsübertragung zwischen Komponenten und Komponente zur Durchführung des Verfahrens
US6805634B1 (en) * 1998-10-14 2004-10-19 Igt Method for downloading data to gaming devices
US20020112070A1 (en) * 2000-12-08 2002-08-15 The Boeing Company Network controller for digitally controlling remote devices via a common bus
WO2008080404A2 (en) * 2006-12-31 2008-07-10 Linak A/S Application such as an electrically adjustable bed or electrically driven patient lift
CN101680801B (zh) * 2007-06-07 2013-09-25 梅特勒-托利多公开股份有限公司 多重测力装置、测力模块以及用于状态监测的方法
US7996317B1 (en) * 2007-11-21 2011-08-09 Hsbc Bank Usa, N.A. Methods and systems for processing stranded payments and lockbox payments at the same designated payment location
US8626061B2 (en) * 2009-12-17 2014-01-07 Electronics And Telecommunications Research Institute Isolation distance calculation method and apparatus for avoidance of interference signal in wireless communication repeater system
AT517779B1 (de) * 2015-10-01 2021-10-15 B & R Ind Automation Gmbh Verfahren zum Querverkehr zwischen zwei Slaves eines ringförmigen Datennetzwerks

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689887A (en) * 1970-06-11 1972-09-05 Bendix Corp Information transfer system
US3735396A (en) * 1971-08-10 1973-05-22 Signatron Alarm signalling network
US3716834A (en) * 1971-10-07 1973-02-13 H Adams Data transmission system with immunity to circuit faults

Also Published As

Publication number Publication date
DE2362344C3 (de) 1978-09-21
JPS5493306A (en) 1979-07-24
JPS5493308A (en) 1979-07-24
AU475300B2 (en) 1976-08-19
JPS581585B2 (ja) 1983-01-12
CA1024265A (en) 1978-01-10
JPS4997504A (de) 1974-09-14
AU6332473A (en) 1975-06-12
GB1451370A (en) 1976-09-29
GB1451367A (en) 1976-09-29
GB1451368A (en) 1976-09-29
FR2330290A5 (fr) 1977-05-27
ZA739253B (en) 1974-11-27
AU493254B2 (en) 1976-08-26
BR7309830D0 (pt) 1974-08-29
JPS5493307A (en) 1979-07-24
US3845472A (en) 1974-10-29
DE2362344A1 (de) 1974-06-27
CA1024264A (en) 1978-01-10
AU1493576A (en) 1976-08-26
JPS581584B2 (ja) 1983-01-12
IT1000339B (it) 1976-03-30
GB1451369A (en) 1976-09-29
BE808683A (fr) 1974-03-29
AU1493476A (en) 1976-08-26
AU493665B2 (en) 1976-08-26
NL7317165A (de) 1974-06-18
CA1022685A (en) 1977-12-13
DE2362344B2 (de) 1978-01-26

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