JPH0114636B2 - - Google Patents

Info

Publication number
JPH0114636B2
JPH0114636B2 JP56018816A JP1881681A JPH0114636B2 JP H0114636 B2 JPH0114636 B2 JP H0114636B2 JP 56018816 A JP56018816 A JP 56018816A JP 1881681 A JP1881681 A JP 1881681A JP H0114636 B2 JPH0114636 B2 JP H0114636B2
Authority
JP
Japan
Prior art keywords
signal
circuit
lines
line
detector
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
JP56018816A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57134791A (en
Inventor
Isao Shimada
Tooru Kahara
Sumyoshi Yoshino
Osamu Akiba
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP1881681A priority Critical patent/JPS57134791A/ja
Publication of JPS57134791A publication Critical patent/JPS57134791A/ja
Publication of JPH0114636B2 publication Critical patent/JPH0114636B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
JP1881681A 1981-02-10 1981-02-10 Alarm system Granted JPS57134791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1881681A JPS57134791A (en) 1981-02-10 1981-02-10 Alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1881681A JPS57134791A (en) 1981-02-10 1981-02-10 Alarm system

Publications (2)

Publication Number Publication Date
JPS57134791A JPS57134791A (en) 1982-08-20
JPH0114636B2 true JPH0114636B2 (enrdf_load_stackoverflow) 1989-03-13

Family

ID=11982091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1881681A Granted JPS57134791A (en) 1981-02-10 1981-02-10 Alarm system

Country Status (1)

Country Link
JP (1) JPS57134791A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6457397A (en) * 1987-08-28 1989-03-03 Nittan Co Ltd Alarm monitoring device
JPH031295A (ja) * 1987-11-30 1991-01-07 Hochiki Corp 火災報知設備

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225993A (en) * 1975-08-21 1977-02-26 Matsushita Electric Works Ltd Maintenance system of a monitor transmission system

Also Published As

Publication number Publication date
JPS57134791A (en) 1982-08-20

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