JPH0639438Y2 - 光電式煙感知器 - Google Patents

光電式煙感知器

Info

Publication number
JPH0639438Y2
JPH0639438Y2 JP1987151240U JP15124087U JPH0639438Y2 JP H0639438 Y2 JPH0639438 Y2 JP H0639438Y2 JP 1987151240 U JP1987151240 U JP 1987151240U JP 15124087 U JP15124087 U JP 15124087U JP H0639438 Y2 JPH0639438 Y2 JP H0639438Y2
Authority
JP
Japan
Prior art keywords
smoke
receiving element
light receiving
light
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 - Lifetime
Application number
JP1987151240U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6457589U (OSRAM
Inventor
宏 澤
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 JP1987151240U priority Critical patent/JPH0639438Y2/ja
Publication of JPS6457589U publication Critical patent/JPS6457589U/ja
Application granted granted Critical
Publication of JPH0639438Y2 publication Critical patent/JPH0639438Y2/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)
JP1987151240U 1987-10-02 1987-10-02 光電式煙感知器 Expired - Lifetime JPH0639438Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987151240U JPH0639438Y2 (ja) 1987-10-02 1987-10-02 光電式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987151240U JPH0639438Y2 (ja) 1987-10-02 1987-10-02 光電式煙感知器

Publications (2)

Publication Number Publication Date
JPS6457589U JPS6457589U (OSRAM) 1989-04-10
JPH0639438Y2 true JPH0639438Y2 (ja) 1994-10-12

Family

ID=31425106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987151240U Expired - Lifetime JPH0639438Y2 (ja) 1987-10-02 1987-10-02 光電式煙感知器

Country Status (1)

Country Link
JP (1) JPH0639438Y2 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3944696B2 (ja) * 2001-10-31 2007-07-11 能美防災株式会社 光電式煙感知器
US7736051B2 (en) 2004-03-30 2010-06-15 Yamatake Corporation Thermoelectric device and mirror surface state detection device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54156598A (en) * 1978-05-27 1979-12-10 Chloride Inc Smoke detector with chamber for causing vortex
JPS5935802U (ja) * 1982-08-31 1984-03-06 トヨタ自動車株式会社 ブレ−キブ−スタ−のプツシユロツド測定治具

Also Published As

Publication number Publication date
JPS6457589U (OSRAM) 1989-04-10

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