JPS6012238Y2 - 透過光式煙感知器 - Google Patents

透過光式煙感知器

Info

Publication number
JPS6012238Y2
JPS6012238Y2 JP1980177124U JP17712480U JPS6012238Y2 JP S6012238 Y2 JPS6012238 Y2 JP S6012238Y2 JP 1980177124 U JP1980177124 U JP 1980177124U JP 17712480 U JP17712480 U JP 17712480U JP S6012238 Y2 JPS6012238 Y2 JP S6012238Y2
Authority
JP
Japan
Prior art keywords
light
transmitted light
emitting element
smoke
smoke detector
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
JP1980177124U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5799290U (de
Inventor
重人 原野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP1980177124U priority Critical patent/JPS6012238Y2/ja
Publication of JPS5799290U publication Critical patent/JPS5799290U/ja
Application granted granted Critical
Publication of JPS6012238Y2 publication Critical patent/JPS6012238Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1980177124U 1980-12-10 1980-12-10 透過光式煙感知器 Expired JPS6012238Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980177124U JPS6012238Y2 (ja) 1980-12-10 1980-12-10 透過光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980177124U JPS6012238Y2 (ja) 1980-12-10 1980-12-10 透過光式煙感知器

Publications (2)

Publication Number Publication Date
JPS5799290U JPS5799290U (de) 1982-06-18
JPS6012238Y2 true JPS6012238Y2 (ja) 1985-04-20

Family

ID=29970720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980177124U Expired JPS6012238Y2 (ja) 1980-12-10 1980-12-10 透過光式煙感知器

Country Status (1)

Country Link
JP (1) JPS6012238Y2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8638436B2 (en) * 2009-09-15 2014-01-28 Hochiki Corporation Smoke sensor
JP6316711B2 (ja) * 2014-09-01 2018-04-25 能美防災株式会社 減光式煙感知器及び減光式煙感知システム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2341087C3 (de) * 1973-08-14 1979-09-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Automatische Brandmeldeanlage
JPS5829558B2 (ja) * 1977-05-23 1983-06-23 ホーチキ株式会社 減光式感知器
JPS55154693A (en) * 1979-05-21 1980-12-02 Nittan Co Ltd Light reduction type smoke sensor

Also Published As

Publication number Publication date
JPS5799290U (de) 1982-06-18

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