JPH0317899U - - Google Patents

Info

Publication number
JPH0317899U
JPH0317899U JP7520189U JP7520189U JPH0317899U JP H0317899 U JPH0317899 U JP H0317899U JP 7520189 U JP7520189 U JP 7520189U JP 7520189 U JP7520189 U JP 7520189U JP H0317899 U JPH0317899 U JP H0317899U
Authority
JP
Japan
Prior art keywords
voltage
sensor
signal
voltage level
disaster prevention
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
JP7520189U
Other languages
English (en)
Japanese (ja)
Other versions
JP2517864Y2 (ja
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 JP1989075201U priority Critical patent/JP2517864Y2/ja
Publication of JPH0317899U publication Critical patent/JPH0317899U/ja
Application granted granted Critical
Publication of JP2517864Y2 publication Critical patent/JP2517864Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
JP1989075201U 1989-06-27 1989-06-27 防災中継器 Expired - Lifetime JP2517864Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989075201U JP2517864Y2 (ja) 1989-06-27 1989-06-27 防災中継器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989075201U JP2517864Y2 (ja) 1989-06-27 1989-06-27 防災中継器

Publications (2)

Publication Number Publication Date
JPH0317899U true JPH0317899U (en]) 1991-02-21
JP2517864Y2 JP2517864Y2 (ja) 1996-11-20

Family

ID=31615572

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989075201U Expired - Lifetime JP2517864Y2 (ja) 1989-06-27 1989-06-27 防災中継器

Country Status (1)

Country Link
JP (1) JP2517864Y2 (en])

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57106096U (en]) * 1980-12-23 1982-06-30
JPS60117399A (ja) * 1983-11-29 1985-06-24 ホーチキ株式会社 異常警報装置
JPS6223400U (en]) * 1985-07-24 1987-02-12
JPS63262798A (ja) * 1987-04-21 1988-10-31 株式会社日立ビルシステムサービス 電源状態発信装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57106096U (en]) * 1980-12-23 1982-06-30
JPS60117399A (ja) * 1983-11-29 1985-06-24 ホーチキ株式会社 異常警報装置
JPS6223400U (en]) * 1985-07-24 1987-02-12
JPS63262798A (ja) * 1987-04-21 1988-10-31 株式会社日立ビルシステムサービス 電源状態発信装置

Also Published As

Publication number Publication date
JP2517864Y2 (ja) 1996-11-20

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