JPS62168159U - - Google Patents

Info

Publication number
JPS62168159U
JPS62168159U JP5607386U JP5607386U JPS62168159U JP S62168159 U JPS62168159 U JP S62168159U JP 5607386 U JP5607386 U JP 5607386U JP 5607386 U JP5607386 U JP 5607386U JP S62168159 U JPS62168159 U JP S62168159U
Authority
JP
Japan
Prior art keywords
disk
focus
reflected light
circuit
servo device
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
JP5607386U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0510277Y2 (enExample
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 JP1986056073U priority Critical patent/JPH0510277Y2/ja
Publication of JPS62168159U publication Critical patent/JPS62168159U/ja
Application granted granted Critical
Publication of JPH0510277Y2 publication Critical patent/JPH0510277Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP1986056073U 1986-04-16 1986-04-16 Expired - Lifetime JPH0510277Y2 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986056073U JPH0510277Y2 (enExample) 1986-04-16 1986-04-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986056073U JPH0510277Y2 (enExample) 1986-04-16 1986-04-16

Publications (2)

Publication Number Publication Date
JPS62168159U true JPS62168159U (enExample) 1987-10-24
JPH0510277Y2 JPH0510277Y2 (enExample) 1993-03-12

Family

ID=30884562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986056073U Expired - Lifetime JPH0510277Y2 (enExample) 1986-04-16 1986-04-16

Country Status (1)

Country Link
JP (1) JPH0510277Y2 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03181062A (ja) * 1990-11-29 1991-08-07 Sony Corp 光ディスクの判別装置
JPH04123320A (ja) * 1990-09-13 1992-04-23 Matsushita Electric Ind Co Ltd 光ディスク装置
WO1998031012A1 (en) * 1997-01-10 1998-07-16 Sony Corporation Optical disk device and method for discriminating optical disk

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726769U (enExample) * 1980-07-17 1982-02-12
JPS5750357A (en) * 1980-09-08 1982-03-24 Matsushita Electric Ind Co Ltd Disk reproducer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726769U (enExample) * 1980-07-17 1982-02-12
JPS5750357A (en) * 1980-09-08 1982-03-24 Matsushita Electric Ind Co Ltd Disk reproducer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04123320A (ja) * 1990-09-13 1992-04-23 Matsushita Electric Ind Co Ltd 光ディスク装置
JPH03181062A (ja) * 1990-11-29 1991-08-07 Sony Corp 光ディスクの判別装置
WO1998031012A1 (en) * 1997-01-10 1998-07-16 Sony Corporation Optical disk device and method for discriminating optical disk

Also Published As

Publication number Publication date
JPH0510277Y2 (enExample) 1993-03-12

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