JPH0447879B2 - - Google Patents

Info

Publication number
JPH0447879B2
JPH0447879B2 JP59177891A JP17789184A JPH0447879B2 JP H0447879 B2 JPH0447879 B2 JP H0447879B2 JP 59177891 A JP59177891 A JP 59177891A JP 17789184 A JP17789184 A JP 17789184A JP H0447879 B2 JPH0447879 B2 JP H0447879B2
Authority
JP
Japan
Prior art keywords
voltage
phase
line
circuit
fire
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 - Lifetime
Application number
JP59177891A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6155797A (ja
Inventor
Hidenori Ootsuka
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.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai 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 Nohmi Bosai Ltd filed Critical Nohmi Bosai Ltd
Priority to JP17789184A priority Critical patent/JPS6155797A/ja
Publication of JPS6155797A publication Critical patent/JPS6155797A/ja
Publication of JPH0447879B2 publication Critical patent/JPH0447879B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
JP17789184A 1984-08-27 1984-08-27 火災報知設備の断線監視装置 Granted JPS6155797A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17789184A JPS6155797A (ja) 1984-08-27 1984-08-27 火災報知設備の断線監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17789184A JPS6155797A (ja) 1984-08-27 1984-08-27 火災報知設備の断線監視装置

Publications (2)

Publication Number Publication Date
JPS6155797A JPS6155797A (ja) 1986-03-20
JPH0447879B2 true JPH0447879B2 (enrdf_load_html_response) 1992-08-05

Family

ID=16038865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17789184A Granted JPS6155797A (ja) 1984-08-27 1984-08-27 火災報知設備の断線監視装置

Country Status (1)

Country Link
JP (1) JPS6155797A (enrdf_load_html_response)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5054084U (enrdf_load_html_response) * 1973-09-14 1975-05-23
JPS5625120U (enrdf_load_html_response) * 1979-08-03 1981-03-07

Also Published As

Publication number Publication date
JPS6155797A (ja) 1986-03-20

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