JPH01181124U - - Google Patents

Info

Publication number
JPH01181124U
JPH01181124U JP7910088U JP7910088U JPH01181124U JP H01181124 U JPH01181124 U JP H01181124U JP 7910088 U JP7910088 U JP 7910088U JP 7910088 U JP7910088 U JP 7910088U JP H01181124 U JPH01181124 U JP H01181124U
Authority
JP
Japan
Prior art keywords
optical disk
sub
main beam
light
recording surface
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
JP7910088U
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 JP7910088U priority Critical patent/JPH01181124U/ja
Publication of JPH01181124U publication Critical patent/JPH01181124U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP7910088U 1988-06-15 1988-06-15 Pending JPH01181124U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7910088U JPH01181124U (enrdf_load_stackoverflow) 1988-06-15 1988-06-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7910088U JPH01181124U (enrdf_load_stackoverflow) 1988-06-15 1988-06-15

Publications (1)

Publication Number Publication Date
JPH01181124U true JPH01181124U (enrdf_load_stackoverflow) 1989-12-27

Family

ID=31303987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7910088U Pending JPH01181124U (enrdf_load_stackoverflow) 1988-06-15 1988-06-15

Country Status (1)

Country Link
JP (1) JPH01181124U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0562232A (ja) * 1991-08-31 1993-03-12 Nec Home Electron Ltd 光デイスクの反り検出方法および光ピツクアツプ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0562232A (ja) * 1991-08-31 1993-03-12 Nec Home Electron Ltd 光デイスクの反り検出方法および光ピツクアツプ

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