JPH0432061U - - Google Patents

Info

Publication number
JPH0432061U
JPH0432061U JP7449190U JP7449190U JPH0432061U JP H0432061 U JPH0432061 U JP H0432061U JP 7449190 U JP7449190 U JP 7449190U JP 7449190 U JP7449190 U JP 7449190U JP H0432061 U JPH0432061 U JP H0432061U
Authority
JP
Japan
Prior art keywords
light
space
detected
receiving element
dust
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
JP7449190U
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 JP7449190U priority Critical patent/JPH0432061U/ja
Publication of JPH0432061U publication Critical patent/JPH0432061U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP7449190U 1990-07-13 1990-07-13 Pending JPH0432061U (US06373033-20020416-M00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7449190U JPH0432061U (US06373033-20020416-M00002.png) 1990-07-13 1990-07-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7449190U JPH0432061U (US06373033-20020416-M00002.png) 1990-07-13 1990-07-13

Publications (1)

Publication Number Publication Date
JPH0432061U true JPH0432061U (US06373033-20020416-M00002.png) 1992-03-16

Family

ID=31614227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7449190U Pending JPH0432061U (US06373033-20020416-M00002.png) 1990-07-13 1990-07-13

Country Status (1)

Country Link
JP (1) JPH0432061U (US06373033-20020416-M00002.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329697A (en) * 1976-08-31 1978-03-20 Matsushita Electric Works Ltd Scattering light system smoke detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329697A (en) * 1976-08-31 1978-03-20 Matsushita Electric Works Ltd Scattering light system smoke detector

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