JPS63153111U - - Google Patents

Info

Publication number
JPS63153111U
JPS63153111U JP4506787U JP4506787U JPS63153111U JP S63153111 U JPS63153111 U JP S63153111U JP 4506787 U JP4506787 U JP 4506787U JP 4506787 U JP4506787 U JP 4506787U JP S63153111 U JPS63153111 U JP S63153111U
Authority
JP
Japan
Prior art keywords
optical disk
circuit
sample
error signal
focus error
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.)
Granted
Application number
JP4506787U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0543370Y2 (enrdf_load_stackoverflow
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 JP4506787U priority Critical patent/JPH0543370Y2/ja
Publication of JPS63153111U publication Critical patent/JPS63153111U/ja
Application granted granted Critical
Publication of JPH0543370Y2 publication Critical patent/JPH0543370Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP4506787U 1987-03-27 1987-03-27 Expired - Lifetime JPH0543370Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4506787U JPH0543370Y2 (enrdf_load_stackoverflow) 1987-03-27 1987-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4506787U JPH0543370Y2 (enrdf_load_stackoverflow) 1987-03-27 1987-03-27

Publications (2)

Publication Number Publication Date
JPS63153111U true JPS63153111U (enrdf_load_stackoverflow) 1988-10-07
JPH0543370Y2 JPH0543370Y2 (enrdf_load_stackoverflow) 1993-11-01

Family

ID=30863469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4506787U Expired - Lifetime JPH0543370Y2 (enrdf_load_stackoverflow) 1987-03-27 1987-03-27

Country Status (1)

Country Link
JP (1) JPH0543370Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0543370Y2 (enrdf_load_stackoverflow) 1993-11-01

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