JPH0353349Y2 - - Google Patents

Info

Publication number
JPH0353349Y2
JPH0353349Y2 JP1984156218U JP15621884U JPH0353349Y2 JP H0353349 Y2 JPH0353349 Y2 JP H0353349Y2 JP 1984156218 U JP1984156218 U JP 1984156218U JP 15621884 U JP15621884 U JP 15621884U JP H0353349 Y2 JPH0353349 Y2 JP H0353349Y2
Authority
JP
Japan
Prior art keywords
fire
pair
loop
signal lines
receiver
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
JP1984156218U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6174185U (en]
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 filed Critical
Priority to JP1984156218U priority Critical patent/JPH0353349Y2/ja
Publication of JPS6174185U publication Critical patent/JPS6174185U/ja
Application granted granted Critical
Publication of JPH0353349Y2 publication Critical patent/JPH0353349Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
JP1984156218U 1984-10-16 1984-10-16 Expired JPH0353349Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984156218U JPH0353349Y2 (en]) 1984-10-16 1984-10-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984156218U JPH0353349Y2 (en]) 1984-10-16 1984-10-16

Publications (2)

Publication Number Publication Date
JPS6174185U JPS6174185U (en]) 1986-05-20
JPH0353349Y2 true JPH0353349Y2 (en]) 1991-11-21

Family

ID=30714227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984156218U Expired JPH0353349Y2 (en]) 1984-10-16 1984-10-16

Country Status (1)

Country Link
JP (1) JPH0353349Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101399025B1 (ko) * 2014-02-13 2014-05-30 비아이산업(주) 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템
JP7045844B2 (ja) * 2017-12-13 2022-04-01 ホーチキ株式会社 火災報知設備及びブースター

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5925275B2 (ja) * 1976-06-17 1984-06-15 ホーチキ株式会社 火災報知設備に於ける断線検出装置
JPS56169748U (en]) * 1980-05-20 1981-12-15
JPS57176493A (en) * 1981-04-24 1982-10-29 Hochiki Co Alarm facility
JPS5981787A (ja) * 1982-11-01 1984-05-11 松下電器産業株式会社 自動火災報知装置

Also Published As

Publication number Publication date
JPS6174185U (en]) 1986-05-20

Similar Documents

Publication Publication Date Title
EP0319266B1 (en) Fire alarm system
US4893324A (en) Portable fire detection system
JPH0353349Y2 (en])
JPH08264094A (ja) 断線検出機能付きリレー出力回路
JP3049341B2 (ja) 地区ベル鳴動システム
JPS63144265A (ja) 警報装置
JP2721811B2 (ja) 感知器
JP3038411B2 (ja) 地区ベル鳴動システム
JP2816465B2 (ja) 端末機器配線の導通試験回路
JPH08185590A (ja) 火災報知設備の断線検出方法及びこの方法による断線検出機能を有する火災報知設備
JPH021672Y2 (en])
JP3205482B2 (ja) 防災監視装置の非常電話回路
JPH0319033Y2 (en])
JPS6327267Y2 (en])
JPH06282786A (ja) 防災監視装置
JPS6339819Y2 (en])
JPH0426945Y2 (en])
JPS635120Y2 (en])
JP2002175572A (ja) 火災報知設備の中継器
JPS6022472Y2 (ja) 防災設備における監視及び制御装置
JPH0319034Y2 (en])
JP3065339B2 (ja) 火災報知設備における端末機器
KR950000977Y1 (ko) 적외선 감지기의 경보시스템간의 오류배선 감지회로
JPH035987Y2 (en])
JPH01220092A (ja) 侵入者警報システム