JPH0271255U - - Google Patents

Info

Publication number
JPH0271255U
JPH0271255U JP15119388U JP15119388U JPH0271255U JP H0271255 U JPH0271255 U JP H0271255U JP 15119388 U JP15119388 U JP 15119388U JP 15119388 U JP15119388 U JP 15119388U JP H0271255 U JPH0271255 U JP H0271255U
Authority
JP
Japan
Prior art keywords
temperature
light emitting
photodetector
emitting element
change
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
JP15119388U
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 JP15119388U priority Critical patent/JPH0271255U/ja
Publication of JPH0271255U publication Critical patent/JPH0271255U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP15119388U 1988-11-18 1988-11-18 Pending JPH0271255U (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15119388U JPH0271255U (enrdf_load_html_response) 1988-11-18 1988-11-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15119388U JPH0271255U (enrdf_load_html_response) 1988-11-18 1988-11-18

Publications (1)

Publication Number Publication Date
JPH0271255U true JPH0271255U (enrdf_load_html_response) 1990-05-30

Family

ID=31425020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15119388U Pending JPH0271255U (enrdf_load_html_response) 1988-11-18 1988-11-18

Country Status (1)

Country Link
JP (1) JPH0271255U (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006139216A (ja) * 2004-11-15 2006-06-01 Ricoh Co Ltd マーク検出装置と駆動制御装置と画像形成装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006139216A (ja) * 2004-11-15 2006-06-01 Ricoh Co Ltd マーク検出装置と駆動制御装置と画像形成装置

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