JPS6174185U - - Google Patents

Info

Publication number
JPS6174185U
JPS6174185U JP15621884U JP15621884U JPS6174185U JP S6174185 U JPS6174185 U JP S6174185U JP 15621884 U JP15621884 U JP 15621884U JP 15621884 U JP15621884 U JP 15621884U JP S6174185 U JPS6174185 U JP S6174185U
Authority
JP
Japan
Prior art keywords
pair
receiver side
signal lines
disconnection
loop
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
JP15621884U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0353349Y2 (enrdf_load_stackoverflow
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 (enrdf_load_stackoverflow)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=30714227

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0353349Y2 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017510917A (ja) * 2014-02-13 2017-04-13 ビー−アイ・インダストリアル・カンパニー、リミテッド 双方向通信機能を有する危険区域内取付用の火災及びガス検知システム
JP2019106023A (ja) * 2017-12-13 2019-06-27 ホーチキ株式会社 火災報知設備及びブースター

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52153698A (en) * 1976-06-17 1977-12-20 Hochiki Co Device for detecting disconnection of fire alarm facility
JPS56169748U (enrdf_load_stackoverflow) * 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52153698A (en) * 1976-06-17 1977-12-20 Hochiki Co Device for detecting disconnection of fire alarm facility
JPS56169748U (enrdf_load_stackoverflow) * 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017510917A (ja) * 2014-02-13 2017-04-13 ビー−アイ・インダストリアル・カンパニー、リミテッド 双方向通信機能を有する危険区域内取付用の火災及びガス検知システム
JP2019106023A (ja) * 2017-12-13 2019-06-27 ホーチキ株式会社 火災報知設備及びブースター
JP2022084786A (ja) * 2017-12-13 2022-06-07 ホーチキ株式会社 伝送路断線位置検出装置及びブースター

Also Published As

Publication number Publication date
JPH0353349Y2 (enrdf_load_stackoverflow) 1991-11-21

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