JPS60140188U - 減光式煙感知器 - Google Patents

減光式煙感知器

Info

Publication number
JPS60140188U
JPS60140188U JP2771884U JP2771884U JPS60140188U JP S60140188 U JPS60140188 U JP S60140188U JP 2771884 U JP2771884 U JP 2771884U JP 2771884 U JP2771884 U JP 2771884U JP S60140188 U JPS60140188 U JP S60140188U
Authority
JP
Japan
Prior art keywords
smoke detector
light
reference value
received
light receiving
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
JP2771884U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0534075Y2 (cs
Inventor
成宮　淳一
博 本間
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Hochiki Corp filed Critical Hochiki Corp
Priority to JP2771884U priority Critical patent/JPS60140188U/ja
Publication of JPS60140188U publication Critical patent/JPS60140188U/ja
Application granted granted Critical
Publication of JPH0534075Y2 publication Critical patent/JPH0534075Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP2771884U 1984-02-28 1984-02-28 減光式煙感知器 Granted JPS60140188U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2771884U JPS60140188U (ja) 1984-02-28 1984-02-28 減光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2771884U JPS60140188U (ja) 1984-02-28 1984-02-28 減光式煙感知器

Publications (2)

Publication Number Publication Date
JPS60140188U true JPS60140188U (ja) 1985-09-17
JPH0534075Y2 JPH0534075Y2 (cs) 1993-08-30

Family

ID=30524927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2771884U Granted JPS60140188U (ja) 1984-02-28 1984-02-28 減光式煙感知器

Country Status (1)

Country Link
JP (1) JPS60140188U (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4703586B2 (ja) * 2007-02-16 2011-06-15 能美防災株式会社 火災感知器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133548U (cs) * 1980-03-10 1981-10-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133548U (cs) * 1980-03-10 1981-10-09

Also Published As

Publication number Publication date
JPH0534075Y2 (cs) 1993-08-30

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