JPS5228298A - Supervisory alarm unit by loop circuit system - Google Patents

Supervisory alarm unit by loop circuit system

Info

Publication number
JPS5228298A
JPS5228298A JP10463275A JP10463275A JPS5228298A JP S5228298 A JPS5228298 A JP S5228298A JP 10463275 A JP10463275 A JP 10463275A JP 10463275 A JP10463275 A JP 10463275A JP S5228298 A JPS5228298 A JP S5228298A
Authority
JP
Japan
Prior art keywords
loop circuit
circuit system
alarm unit
supervisory alarm
supervisory
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.)
Pending
Application number
JP10463275A
Other languages
English (en)
Japanese (ja)
Inventor
Shunei 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.)
Riken Keiki KK
Sumitomo Chemical Co Ltd
Original Assignee
Riken Keiki KK
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
Application filed by Riken Keiki KK, Sumitomo Chemical Co Ltd filed Critical Riken Keiki KK
Priority to JP10463275A priority Critical patent/JPS5228298A/ja
Priority to GB3520576A priority patent/GB1556061A/en
Priority to GB1927177A priority patent/GB1556062A/en
Priority to CA259,928A priority patent/CA1083242A/fr
Priority to BR7605636A priority patent/BR7605636A/pt
Priority to DE19762638529 priority patent/DE2638529A1/de
Priority to FR7626025A priority patent/FR2322411A1/fr
Priority to NL7609588A priority patent/NL7609588A/xx
Priority to MX486476U priority patent/MX3957E/es
Priority to IT5107176A priority patent/IT1066426B/it
Publication of JPS5228298A publication Critical patent/JPS5228298A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
JP10463275A 1975-08-28 1975-08-28 Supervisory alarm unit by loop circuit system Pending JPS5228298A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP10463275A JPS5228298A (en) 1975-08-28 1975-08-28 Supervisory alarm unit by loop circuit system
GB3520576A GB1556061A (en) 1975-08-28 1976-08-24 Monitor and alarm apparatus in loop line system
GB1927177A GB1556062A (en) 1975-08-28 1976-08-24 Centralised monitoring system for gas leakage
CA259,928A CA1083242A (fr) 1975-08-28 1976-08-26 Dispositif de gardiennage et d'alarme en reseau boucle
BR7605636A BR7605636A (pt) 1975-08-28 1976-08-26 Processo para monitorizar e dar alarme de um desastre numa area e sistema monitor centralizado e processo para determinacao de escapamento de gas
DE19762638529 DE2638529A1 (de) 1975-08-28 1976-08-26 Ueberwachungs-und alarmverfahren und -vorrichtung zur unfallverhuetung
FR7626025A FR2322411A1 (fr) 1975-08-28 1976-08-27 Appareil de controle et d'alarme dans une installation a ligne en boucle
NL7609588A NL7609588A (nl) 1975-08-28 1976-08-27 Bewakings- en alarmeringsinrichting in een ringleidingstelsel.
MX486476U MX3957E (es) 1975-08-28 1976-08-27 Mejoras en sistema de alarma y monitoreo en un circuito de bucle para la fuga de gas
IT5107176A IT1066426B (it) 1975-08-28 1976-08-27 Apparecchio e procedimento per la rivelazione e la segnalazione di disastri

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10463275A JPS5228298A (en) 1975-08-28 1975-08-28 Supervisory alarm unit by loop circuit system

Publications (1)

Publication Number Publication Date
JPS5228298A true JPS5228298A (en) 1977-03-03

Family

ID=14385810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10463275A Pending JPS5228298A (en) 1975-08-28 1975-08-28 Supervisory alarm unit by loop circuit system

Country Status (3)

Country Link
JP (1) JPS5228298A (fr)
CA (1) CA1083242A (fr)
MX (1) MX3957E (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144299A (ja) * 1982-02-22 1983-08-27 日本電気株式会社 警備端末装置
JPS61264835A (ja) * 1985-05-17 1986-11-22 Kawamura Denki Sangyo Kk 光フアイバ−デ−タリンクシステム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144299A (ja) * 1982-02-22 1983-08-27 日本電気株式会社 警備端末装置
JPS61264835A (ja) * 1985-05-17 1986-11-22 Kawamura Denki Sangyo Kk 光フアイバ−デ−タリンクシステム

Also Published As

Publication number Publication date
MX3957E (es) 1981-10-15
CA1083242A (fr) 1980-08-05

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