JPH0187488U - - Google Patents

Info

Publication number
JPH0187488U
JPH0187488U JP18045787U JP18045787U JPH0187488U JP H0187488 U JPH0187488 U JP H0187488U JP 18045787 U JP18045787 U JP 18045787U JP 18045787 U JP18045787 U JP 18045787U JP H0187488 U JPH0187488 U JP H0187488U
Authority
JP
Japan
Prior art keywords
fire
alarm system
counting circuit
sensing lines
signal
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
JP18045787U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0542559Y2 (en, 2012
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 JP1987180457U priority Critical patent/JPH0542559Y2/ja
Publication of JPH0187488U publication Critical patent/JPH0187488U/ja
Application granted granted Critical
Publication of JPH0542559Y2 publication Critical patent/JPH0542559Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
JP1987180457U 1987-11-28 1987-11-28 Expired - Lifetime JPH0542559Y2 (en, 2012)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987180457U JPH0542559Y2 (en, 2012) 1987-11-28 1987-11-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987180457U JPH0542559Y2 (en, 2012) 1987-11-28 1987-11-28

Publications (2)

Publication Number Publication Date
JPH0187488U true JPH0187488U (en, 2012) 1989-06-09
JPH0542559Y2 JPH0542559Y2 (en, 2012) 1993-10-26

Family

ID=31471977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987180457U Expired - Lifetime JPH0542559Y2 (en, 2012) 1987-11-28 1987-11-28

Country Status (1)

Country Link
JP (1) JPH0542559Y2 (en, 2012)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5376645A (en) * 1976-12-18 1978-07-07 Takaaki Shimado Digital display signal monitor
JPS5815839A (ja) * 1981-07-22 1983-01-29 株式会社トプコン 眼屈折力測定装置
JPS6225237A (ja) * 1985-07-26 1987-02-03 Toa Medical Electronics Co Ltd 光による粒子検出装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5376645A (en) * 1976-12-18 1978-07-07 Takaaki Shimado Digital display signal monitor
JPS5815839A (ja) * 1981-07-22 1983-01-29 株式会社トプコン 眼屈折力測定装置
JPS6225237A (ja) * 1985-07-26 1987-02-03 Toa Medical Electronics Co Ltd 光による粒子検出装置

Also Published As

Publication number Publication date
JPH0542559Y2 (en, 2012) 1993-10-26

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