JPH0314720U - - Google Patents

Info

Publication number
JPH0314720U
JPH0314720U JP7513789U JP7513789U JPH0314720U JP H0314720 U JPH0314720 U JP H0314720U JP 7513789 U JP7513789 U JP 7513789U JP 7513789 U JP7513789 U JP 7513789U JP H0314720 U JPH0314720 U JP H0314720U
Authority
JP
Japan
Prior art keywords
photodetector
electrical signal
reflected light
comparison
outputting
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
JP7513789U
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 JP7513789U priority Critical patent/JPH0314720U/ja
Publication of JPH0314720U publication Critical patent/JPH0314720U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP7513789U 1989-06-27 1989-06-27 Pending JPH0314720U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7513789U JPH0314720U (enrdf_load_stackoverflow) 1989-06-27 1989-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7513789U JPH0314720U (enrdf_load_stackoverflow) 1989-06-27 1989-06-27

Publications (1)

Publication Number Publication Date
JPH0314720U true JPH0314720U (enrdf_load_stackoverflow) 1991-02-14

Family

ID=31615449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7513789U Pending JPH0314720U (enrdf_load_stackoverflow) 1989-06-27 1989-06-27

Country Status (1)

Country Link
JP (1) JPH0314720U (enrdf_load_stackoverflow)

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