JP2505282Y2 - 光学式粉塵センサ - Google Patents

光学式粉塵センサ

Info

Publication number
JP2505282Y2
JP2505282Y2 JP7449290U JP7449290U JP2505282Y2 JP 2505282 Y2 JP2505282 Y2 JP 2505282Y2 JP 7449290 U JP7449290 U JP 7449290U JP 7449290 U JP7449290 U JP 7449290U JP 2505282 Y2 JP2505282 Y2 JP 2505282Y2
Authority
JP
Japan
Prior art keywords
light
receiving element
light receiving
light emitting
emitting element
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 - Fee Related
Application number
JP7449290U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0432062U (enrdf_load_stackoverflow
Inventor
弘之 佐藤
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.)
Ricoh Elemex Corp
Original Assignee
Ricoh Elemex 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 Ricoh Elemex Corp filed Critical Ricoh Elemex Corp
Priority to JP7449290U priority Critical patent/JP2505282Y2/ja
Publication of JPH0432062U publication Critical patent/JPH0432062U/ja
Application granted granted Critical
Publication of JP2505282Y2 publication Critical patent/JP2505282Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP7449290U 1990-07-13 1990-07-13 光学式粉塵センサ Expired - Fee Related JP2505282Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7449290U JP2505282Y2 (ja) 1990-07-13 1990-07-13 光学式粉塵センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7449290U JP2505282Y2 (ja) 1990-07-13 1990-07-13 光学式粉塵センサ

Publications (2)

Publication Number Publication Date
JPH0432062U JPH0432062U (enrdf_load_stackoverflow) 1992-03-16
JP2505282Y2 true JP2505282Y2 (ja) 1996-07-24

Family

ID=31614229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7449290U Expired - Fee Related JP2505282Y2 (ja) 1990-07-13 1990-07-13 光学式粉塵センサ

Country Status (1)

Country Link
JP (1) JP2505282Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190123964A (ko) * 2018-04-25 2019-11-04 주식회사 히타치엘지 데이터 스토리지 코리아 먼지 센서

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190123964A (ko) * 2018-04-25 2019-11-04 주식회사 히타치엘지 데이터 스토리지 코리아 먼지 센서
KR102490311B1 (ko) 2018-04-25 2023-01-20 주식회사 히타치엘지 데이터 스토리지 코리아 먼지 센서

Also Published As

Publication number Publication date
JPH0432062U (enrdf_load_stackoverflow) 1992-03-16

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