JPH0441435Y2 - - Google Patents

Info

Publication number
JPH0441435Y2
JPH0441435Y2 JP1983122195U JP12219583U JPH0441435Y2 JP H0441435 Y2 JPH0441435 Y2 JP H0441435Y2 JP 1983122195 U JP1983122195 U JP 1983122195U JP 12219583 U JP12219583 U JP 12219583U JP H0441435 Y2 JPH0441435 Y2 JP H0441435Y2
Authority
JP
Japan
Prior art keywords
light
receiver
amplifier
sensitivity
voltage
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
JP1983122195U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6030091U (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 JP12219583U priority Critical patent/JPS6030091U/ja
Publication of JPS6030091U publication Critical patent/JPS6030091U/ja
Application granted granted Critical
Publication of JPH0441435Y2 publication Critical patent/JPH0441435Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
JP12219583U 1983-08-08 1983-08-08 減光式煙感知器 Granted JPS6030091U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12219583U JPS6030091U (ja) 1983-08-08 1983-08-08 減光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12219583U JPS6030091U (ja) 1983-08-08 1983-08-08 減光式煙感知器

Publications (2)

Publication Number Publication Date
JPS6030091U JPS6030091U (ja) 1985-02-28
JPH0441435Y2 true JPH0441435Y2 (en]) 1992-09-29

Family

ID=30279398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12219583U Granted JPS6030091U (ja) 1983-08-08 1983-08-08 減光式煙感知器

Country Status (1)

Country Link
JP (1) JPS6030091U (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093098A (en]) * 1973-12-17 1975-07-24
JPS5428600A (en) * 1977-06-21 1979-03-03 Ishii Hideki Fire alarm

Also Published As

Publication number Publication date
JPS6030091U (ja) 1985-02-28

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