JPH03124332U - - Google Patents

Info

Publication number
JPH03124332U
JPH03124332U JP3166190U JP3166190U JPH03124332U JP H03124332 U JPH03124332 U JP H03124332U JP 3166190 U JP3166190 U JP 3166190U JP 3166190 U JP3166190 U JP 3166190U JP H03124332 U JPH03124332 U JP H03124332U
Authority
JP
Japan
Prior art keywords
track
servo control
optical head
measurement
measurement module
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
JP3166190U
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 JP3166190U priority Critical patent/JPH03124332U/ja
Publication of JPH03124332U publication Critical patent/JPH03124332U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
JP3166190U 1990-03-27 1990-03-27 Pending JPH03124332U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3166190U JPH03124332U (enrdf_load_stackoverflow) 1990-03-27 1990-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3166190U JPH03124332U (enrdf_load_stackoverflow) 1990-03-27 1990-03-27

Publications (1)

Publication Number Publication Date
JPH03124332U true JPH03124332U (enrdf_load_stackoverflow) 1991-12-17

Family

ID=31534455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3166190U Pending JPH03124332U (enrdf_load_stackoverflow) 1990-03-27 1990-03-27

Country Status (1)

Country Link
JP (1) JPH03124332U (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62174638A (ja) * 1986-01-28 1987-07-31 Matsushita Electric Ind Co Ltd 光記録媒体製造検査装置
JPH0224540A (ja) * 1988-07-13 1990-01-26 Ntn Corp 光ディスク検査装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62174638A (ja) * 1986-01-28 1987-07-31 Matsushita Electric Ind Co Ltd 光記録媒体製造検査装置
JPH0224540A (ja) * 1988-07-13 1990-01-26 Ntn Corp 光ディスク検査装置

Similar Documents

Publication Publication Date Title
JPS57161641A (en) Inspecting device for defect of surface
JPH03124332U (enrdf_load_stackoverflow)
US6870800B2 (en) Method of searching for a boundary position between a recorded region and an unrecorded region of a recording disc, and information recording apparatus
CA2011384A1 (en) Track access control apparatus for optical disk apparatus
CN205759567U (zh) 一种计时装置
ATE341813T1 (de) Gerät zum messen der exzentrizität einer scheibe
JPS57103138A (en) Inspecting method for recording medium
DE10202297A1 (de) Bildplattengerät
JP3610082B2 (ja) 光磁気ディスク装置
JPS63153111U (enrdf_load_stackoverflow)
JPS6427084A (en) Track access method for information recording and reproducing device
JPS639852Y2 (enrdf_load_stackoverflow)
JPH09282658A (ja) ディスク面欠陥検出装置
JPH0319042Y2 (enrdf_load_stackoverflow)
JPS57162151A (en) Servo method for magnetic disc device
JPH034961Y2 (enrdf_load_stackoverflow)
JPH069088B2 (ja) 光学的情報記録再生方法及び光学的情報記録再生装置
JPS6257129A (ja) トラツクジヤンプ制御方法
JPH01165916U (enrdf_load_stackoverflow)
JPS5593501A (en) Linear tracking arm driving unit
JPS5674837A (en) Optical disk memory device
JPH01160348U (enrdf_load_stackoverflow)
JPS57133571A (en) Control device for information reproducing device
JPS61113175A (ja) ヘツドの位置付け制御方式
JPH0284116U (enrdf_load_stackoverflow)