FR2322411A1 - Appareil de controle et d'alarme dans une installation a ligne en boucle - Google Patents

Appareil de controle et d'alarme dans une installation a ligne en boucle

Info

Publication number
FR2322411A1
FR2322411A1 FR7626025A FR7626025A FR2322411A1 FR 2322411 A1 FR2322411 A1 FR 2322411A1 FR 7626025 A FR7626025 A FR 7626025A FR 7626025 A FR7626025 A FR 7626025A FR 2322411 A1 FR2322411 A1 FR 2322411A1
Authority
FR
France
Prior art keywords
control
alarm device
loop line
line installation
installation
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
Application number
FR7626025A
Other languages
English (en)
French (fr)
Other versions
FR2322411B1 (enExample
Inventor
Mitsuru Saito
Toshihide Nakamura
Shinichi Ogura
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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
Priority claimed from JP10463275A external-priority patent/JPS5228298A/ja
Priority claimed from JP50120006A external-priority patent/JPS5244655A/ja
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of FR2322411A1 publication Critical patent/FR2322411A1/fr
Application granted granted Critical
Publication of FR2322411B1 publication Critical patent/FR2322411B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/003—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel replying the identity and the state of the sensor
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/005—Alarm systems in which substations are interrogated in succession by a central station with substations connected in series, e.g. cascade

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
FR7626025A 1975-08-28 1976-08-27 Appareil de controle et d'alarme dans une installation a ligne en boucle Granted FR2322411A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10463275A JPS5228298A (en) 1975-08-28 1975-08-28 Supervisory alarm unit by loop circuit system
JP50120006A JPS5244655A (en) 1975-10-03 1975-10-03 Centralized control unit for a gas leak

Publications (2)

Publication Number Publication Date
FR2322411A1 true FR2322411A1 (fr) 1977-03-25
FR2322411B1 FR2322411B1 (enExample) 1980-07-04

Family

ID=26445071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7626025A Granted FR2322411A1 (fr) 1975-08-28 1976-08-27 Appareil de controle et d'alarme dans une installation a ligne en boucle

Country Status (6)

Country Link
BR (1) BR7605636A (enExample)
DE (1) DE2638529A1 (enExample)
FR (1) FR2322411A1 (enExample)
GB (2) GB1556062A (enExample)
IT (1) IT1066426B (enExample)
NL (1) NL7609588A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042501A1 (de) * 1980-06-23 1981-12-30 Cerberus Ag Einrichtung zur Übertragung von Messwerten in einem Brandmeldesystem
EP0191239A1 (en) * 1984-12-18 1986-08-20 Gent Limited Information transmission system
RU2161333C1 (ru) * 1999-10-29 2000-12-27 Салов Александр Сергеевич Система контроля доступа и охранной сигнализации

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2817089B2 (de) * 1978-04-19 1980-12-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Gefahrenmeldeanlage
DE2946169C2 (de) * 1979-11-15 1986-12-11 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren zum Ermitteln des Zustandes betimmter Alarmgeber einer Überwachungsanlage
DE3141624A1 (de) * 1980-10-20 1982-08-26 Ricoh Co., Ltd., Tokyo Zentrales alarmsystem
CA1178678A (en) * 1981-03-13 1984-11-27 John M. Wynne Bidirectional, interactive fire detection system
JPS58127292A (ja) * 1982-01-26 1983-07-29 ニツタン株式会社 火災感知システム
DE3336290A1 (de) * 1982-10-08 1984-06-07 Joh. Vaillant Gmbh U. Co, 5630 Remscheid Verfahren zur fernuebertragung von daten einer heizungs- oder kuehlanlage
JPS5963792U (ja) * 1982-10-22 1984-04-26 ニツタン株式会社 光電式煙検出端末機
JPS5977594A (ja) * 1982-10-27 1984-05-04 ニツタン株式会社 火災警報システム
US4558319A (en) * 1982-12-07 1985-12-10 Westinghouse Electric Corp. Automated system monitoring using frequency and amplitude modulation
DE3405857A1 (de) * 1983-02-24 1984-08-30 Hochiki K.K., Tokio/Tokyo Feueralarmsystem
JPS59201193A (ja) * 1983-04-30 1984-11-14 松下電工株式会社 火報システム
JPS60117939A (ja) * 1983-11-30 1985-06-25 Matsushita Electric Works Ltd 情報伝送方式
GB2172175B (en) * 1985-02-15 1989-04-05 Hitachi Ltd Method for controlling ring network
DE3614692A1 (de) * 1986-04-30 1987-11-05 Nixdorf Computer Ag Gefahrenmeldeanlage
DE3744208A1 (de) * 1987-12-24 1989-07-06 Rieter Ag Maschf Verfahren und vorrichtung fuer die uebertragung von informationen bei einer eine vielzahl von produktionsstellen aufweisenden herstellungsmaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042501A1 (de) * 1980-06-23 1981-12-30 Cerberus Ag Einrichtung zur Übertragung von Messwerten in einem Brandmeldesystem
EP0191239A1 (en) * 1984-12-18 1986-08-20 Gent Limited Information transmission system
RU2161333C1 (ru) * 1999-10-29 2000-12-27 Салов Александр Сергеевич Система контроля доступа и охранной сигнализации

Also Published As

Publication number Publication date
GB1556061A (en) 1979-11-21
FR2322411B1 (enExample) 1980-07-04
GB1556062A (en) 1979-11-21
BR7605636A (pt) 1977-08-09
DE2638529A1 (de) 1977-03-10
NL7609588A (nl) 1977-03-02
IT1066426B (it) 1985-03-12

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Legal Events

Date Code Title Description
ST Notification of lapse