JPS6349825Y2 - - Google Patents

Info

Publication number
JPS6349825Y2
JPS6349825Y2 JP1983185060U JP18506083U JPS6349825Y2 JP S6349825 Y2 JPS6349825 Y2 JP S6349825Y2 JP 1983185060 U JP1983185060 U JP 1983185060U JP 18506083 U JP18506083 U JP 18506083U JP S6349825 Y2 JPS6349825 Y2 JP S6349825Y2
Authority
JP
Japan
Prior art keywords
light
signal
oscillation
output
smoke
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
JP1983185060U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6095689U (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 JP18506083U priority Critical patent/JPS6095689U/ja
Publication of JPS6095689U publication Critical patent/JPS6095689U/ja
Application granted granted Critical
Publication of JPS6349825Y2 publication Critical patent/JPS6349825Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP18506083U 1983-11-30 1983-11-30 煙感知器 Granted JPS6095689U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18506083U JPS6095689U (ja) 1983-11-30 1983-11-30 煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18506083U JPS6095689U (ja) 1983-11-30 1983-11-30 煙感知器

Publications (2)

Publication Number Publication Date
JPS6095689U JPS6095689U (ja) 1985-06-29
JPS6349825Y2 true JPS6349825Y2 (de) 1988-12-21

Family

ID=30400089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18506083U Granted JPS6095689U (ja) 1983-11-30 1983-11-30 煙感知器

Country Status (1)

Country Link
JP (1) JPS6095689U (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2744174B2 (ja) * 1992-07-28 1998-04-28 松下電工株式会社 光電式煙感知器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193069A (en) * 1978-03-13 1980-03-11 American District Telegraph Company Latching alarm smoke detector
JPS5552559A (en) * 1978-10-11 1980-04-17 Victor Co Of Japan Ltd Reproducing device for discoid recording medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193069A (en) * 1978-03-13 1980-03-11 American District Telegraph Company Latching alarm smoke detector
JPS5552559A (en) * 1978-10-11 1980-04-17 Victor Co Of Japan Ltd Reproducing device for discoid recording medium

Also Published As

Publication number Publication date
JPS6095689U (ja) 1985-06-29

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