JPH0358795U - - Google Patents

Info

Publication number
JPH0358795U
JPH0358795U JP11799489U JP11799489U JPH0358795U JP H0358795 U JPH0358795 U JP H0358795U JP 11799489 U JP11799489 U JP 11799489U JP 11799489 U JP11799489 U JP 11799489U JP H0358795 U JPH0358795 U JP H0358795U
Authority
JP
Japan
Prior art keywords
projector
smoke detector
light receiver
voltage
photoelectric 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.)
Pending
Application number
JP11799489U
Other languages
English (en)
Japanese (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 JP11799489U priority Critical patent/JPH0358795U/ja
Publication of JPH0358795U publication Critical patent/JPH0358795U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP11799489U 1989-10-09 1989-10-09 Pending JPH0358795U (US20080293856A1-20081127-C00127.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11799489U JPH0358795U (US20080293856A1-20081127-C00127.png) 1989-10-09 1989-10-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11799489U JPH0358795U (US20080293856A1-20081127-C00127.png) 1989-10-09 1989-10-09

Publications (1)

Publication Number Publication Date
JPH0358795U true JPH0358795U (US20080293856A1-20081127-C00127.png) 1991-06-07

Family

ID=31666188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11799489U Pending JPH0358795U (US20080293856A1-20081127-C00127.png) 1989-10-09 1989-10-09

Country Status (1)

Country Link
JP (1) JPH0358795U (US20080293856A1-20081127-C00127.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007321325A (ja) * 2006-05-31 2007-12-13 Mieko Saito ポケット付き首巻き
JP2013529296A (ja) * 2010-04-21 2013-07-18 スプルー・セーフティー・プロダクツ・リミテッド 光学式煙検知器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136471A (en) * 1975-05-21 1976-11-25 Nittan Co Ltd Photocell smoke sensor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136471A (en) * 1975-05-21 1976-11-25 Nittan Co Ltd Photocell smoke sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007321325A (ja) * 2006-05-31 2007-12-13 Mieko Saito ポケット付き首巻き
JP2013529296A (ja) * 2010-04-21 2013-07-18 スプルー・セーフティー・プロダクツ・リミテッド 光学式煙検知器

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