JPS6457397A - Alarm monitoring device - Google Patents

Alarm monitoring device

Info

Publication number
JPS6457397A
JPS6457397A JP21303587A JP21303587A JPS6457397A JP S6457397 A JPS6457397 A JP S6457397A JP 21303587 A JP21303587 A JP 21303587A JP 21303587 A JP21303587 A JP 21303587A JP S6457397 A JPS6457397 A JP S6457397A
Authority
JP
Japan
Prior art keywords
transmission line
sensors
fire
section
resistor
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
JP21303587A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0534720B2 (mo
Inventor
Tetsuo Kimura
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.)
Nittan Co Ltd
Original Assignee
Nittan 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Priority to JP21303587A priority Critical patent/JPS6457397A/ja
Publication of JPS6457397A publication Critical patent/JPS6457397A/ja
Publication of JPH0534720B2 publication Critical patent/JPH0534720B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Fire Alarms (AREA)
JP21303587A 1987-08-28 1987-08-28 Alarm monitoring device Granted JPS6457397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21303587A JPS6457397A (en) 1987-08-28 1987-08-28 Alarm monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21303587A JPS6457397A (en) 1987-08-28 1987-08-28 Alarm monitoring device

Publications (2)

Publication Number Publication Date
JPS6457397A true JPS6457397A (en) 1989-03-03
JPH0534720B2 JPH0534720B2 (mo) 1993-05-24

Family

ID=16632434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21303587A Granted JPS6457397A (en) 1987-08-28 1987-08-28 Alarm monitoring device

Country Status (1)

Country Link
JP (1) JPS6457397A (mo)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS553071A (en) * 1978-06-22 1980-01-10 Matsushita Electric Industrial Co Ltd Automatic fire alarm system
JPS57134791A (en) * 1981-02-10 1982-08-20 Matsushita Electric Works Ltd Alarm system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS553071A (en) * 1978-06-22 1980-01-10 Matsushita Electric Industrial Co Ltd Automatic fire alarm system
JPS57134791A (en) * 1981-02-10 1982-08-20 Matsushita Electric Works Ltd Alarm system

Also Published As

Publication number Publication date
JPH0534720B2 (mo) 1993-05-24

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