JPS5894091U - 減光式煙感知器 - Google Patents

減光式煙感知器

Info

Publication number
JPS5894091U
JPS5894091U JP18805081U JP18805081U JPS5894091U JP S5894091 U JPS5894091 U JP S5894091U JP 18805081 U JP18805081 U JP 18805081U JP 18805081 U JP18805081 U JP 18805081U JP S5894091 U JPS5894091 U JP S5894091U
Authority
JP
Japan
Prior art keywords
light
smoke detector
receiving element
output
effect transistor
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
JP18805081U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6324537Y2 (enrdf_load_stackoverflow
Inventor
健二 石井
安川　誠
Original Assignee
能美防災工業株式会社
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 by 能美防災工業株式会社 filed Critical 能美防災工業株式会社
Priority to JP18805081U priority Critical patent/JPS5894091U/ja
Publication of JPS5894091U publication Critical patent/JPS5894091U/ja
Application granted granted Critical
Publication of JPS6324537Y2 publication Critical patent/JPS6324537Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP18805081U 1981-12-18 1981-12-18 減光式煙感知器 Granted JPS5894091U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18805081U JPS5894091U (ja) 1981-12-18 1981-12-18 減光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18805081U JPS5894091U (ja) 1981-12-18 1981-12-18 減光式煙感知器

Publications (2)

Publication Number Publication Date
JPS5894091U true JPS5894091U (ja) 1983-06-25
JPS6324537Y2 JPS6324537Y2 (enrdf_load_stackoverflow) 1988-07-05

Family

ID=30102871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18805081U Granted JPS5894091U (ja) 1981-12-18 1981-12-18 減光式煙感知器

Country Status (1)

Country Link
JP (1) JPS5894091U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60181636A (ja) * 1984-02-29 1985-09-17 Hochiki Corp 光線式検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60181636A (ja) * 1984-02-29 1985-09-17 Hochiki Corp 光線式検出装置

Also Published As

Publication number Publication date
JPS6324537Y2 (enrdf_load_stackoverflow) 1988-07-05

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