CA1083242A - Dispositif de gardiennage et d'alarme en reseau boucle - Google Patents

Dispositif de gardiennage et d'alarme en reseau boucle

Info

Publication number
CA1083242A
CA1083242A CA259,928A CA259928A CA1083242A CA 1083242 A CA1083242 A CA 1083242A CA 259928 A CA259928 A CA 259928A CA 1083242 A CA1083242 A CA 1083242A
Authority
CA
Canada
Prior art keywords
disaster
detectors
data transmission
digital signals
groups
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
CA259,928A
Other languages
English (en)
Inventor
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
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Application granted granted Critical
Publication of CA1083242A publication Critical patent/CA1083242A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
CA259,928A 1975-08-28 1976-08-26 Dispositif de gardiennage et d'alarme en reseau boucle Expired CA1083242A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP104632/75 1975-08-28
JP10463275A JPS5228298A (en) 1975-08-28 1975-08-28 Supervisory alarm unit by loop circuit system

Publications (1)

Publication Number Publication Date
CA1083242A true CA1083242A (fr) 1980-08-05

Family

ID=14385810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA259,928A Expired CA1083242A (fr) 1975-08-28 1976-08-26 Dispositif de gardiennage et d'alarme en reseau boucle

Country Status (3)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0614396B2 (ja) * 1982-02-22 1994-02-23 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
JPS5228298A (en) 1977-03-03

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Legal Events

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