JPS6132480Y2 - - Google Patents

Info

Publication number
JPS6132480Y2
JPS6132480Y2 JP1977084479U JP8447977U JPS6132480Y2 JP S6132480 Y2 JPS6132480 Y2 JP S6132480Y2 JP 1977084479 U JP1977084479 U JP 1977084479U JP 8447977 U JP8447977 U JP 8447977U JP S6132480 Y2 JPS6132480 Y2 JP S6132480Y2
Authority
JP
Japan
Prior art keywords
light
dark box
light source
smoke detector
receiver
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
JP1977084479U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5412387U (enEXAMPLES
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 JP1977084479U priority Critical patent/JPS6132480Y2/ja
Priority to US05/918,098 priority patent/US4216377A/en
Priority to CA306,211A priority patent/CA1101963A/en
Priority to DE2828190A priority patent/DE2828190B2/de
Priority to GB7828075A priority patent/GB2000282B/en
Publication of JPS5412387U publication Critical patent/JPS5412387U/ja
Application granted granted Critical
Publication of JPS6132480Y2 publication Critical patent/JPS6132480Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1977084479U 1977-06-27 1977-06-27 Expired JPS6132480Y2 (enEXAMPLES)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1977084479U JPS6132480Y2 (enEXAMPLES) 1977-06-27 1977-06-27
US05/918,098 US4216377A (en) 1977-06-27 1978-06-22 Light scattering smoke detector
CA306,211A CA1101963A (en) 1977-06-27 1978-06-26 Light scattering smoke detector
DE2828190A DE2828190B2 (de) 1977-06-27 1978-06-27 Streulicht-Rauchfühler
GB7828075A GB2000282B (en) 1977-06-27 1978-06-27 Improvements in or relating to a light scattering smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977084479U JPS6132480Y2 (enEXAMPLES) 1977-06-27 1977-06-27

Publications (2)

Publication Number Publication Date
JPS5412387U JPS5412387U (enEXAMPLES) 1979-01-26
JPS6132480Y2 true JPS6132480Y2 (enEXAMPLES) 1986-09-20

Family

ID=29007210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977084479U Expired JPS6132480Y2 (enEXAMPLES) 1977-06-27 1977-06-27

Country Status (1)

Country Link
JP (1) JPS6132480Y2 (enEXAMPLES)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8452975A (en) * 1974-09-09 1977-03-10 Commw Scient Ind Res Org Smoke detector
JPS5229274A (en) * 1975-08-29 1977-03-04 Matsushita Electric Works Ltd Light scattering type smoke detector

Also Published As

Publication number Publication date
JPS5412387U (enEXAMPLES) 1979-01-26

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