JPS63128454U - - Google Patents

Info

Publication number
JPS63128454U
JPS63128454U JP2078087U JP2078087U JPS63128454U JP S63128454 U JPS63128454 U JP S63128454U JP 2078087 U JP2078087 U JP 2078087U JP 2078087 U JP2078087 U JP 2078087U JP S63128454 U JPS63128454 U JP S63128454U
Authority
JP
Japan
Prior art keywords
tester
voltage
emitter
separation type
gradually increases
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
JP2078087U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0524205Y2 (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 JP1987020780U priority Critical patent/JPH0524205Y2/ja
Publication of JPS63128454U publication Critical patent/JPS63128454U/ja
Application granted granted Critical
Publication of JPH0524205Y2 publication Critical patent/JPH0524205Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1987020780U 1987-02-17 1987-02-17 Expired - Lifetime JPH0524205Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987020780U JPH0524205Y2 (enrdf_load_stackoverflow) 1987-02-17 1987-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987020780U JPH0524205Y2 (enrdf_load_stackoverflow) 1987-02-17 1987-02-17

Publications (2)

Publication Number Publication Date
JPS63128454U true JPS63128454U (enrdf_load_stackoverflow) 1988-08-23
JPH0524205Y2 JPH0524205Y2 (enrdf_load_stackoverflow) 1993-06-21

Family

ID=30816606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987020780U Expired - Lifetime JPH0524205Y2 (enrdf_load_stackoverflow) 1987-02-17 1987-02-17

Country Status (1)

Country Link
JP (1) JPH0524205Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016119122A (ja) * 2016-03-15 2016-06-30 能美防災株式会社 光電式分離型感知器および光電式分離型感知器の光軸調整方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52152273A (en) * 1976-06-11 1977-12-17 Matsushita Electric Works Ltd Action checking method of light dimming type smoke sensor
JPS582657U (ja) * 1981-06-30 1983-01-08 ニッタン株式会社 分離型減光式煙感知器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52152273A (en) * 1976-06-11 1977-12-17 Matsushita Electric Works Ltd Action checking method of light dimming type smoke sensor
JPS582657U (ja) * 1981-06-30 1983-01-08 ニッタン株式会社 分離型減光式煙感知器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016119122A (ja) * 2016-03-15 2016-06-30 能美防災株式会社 光電式分離型感知器および光電式分離型感知器の光軸調整方法

Also Published As

Publication number Publication date
JPH0524205Y2 (enrdf_load_stackoverflow) 1993-06-21

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