JPS61195521U - - Google Patents

Info

Publication number
JPS61195521U
JPS61195521U JP7923885U JP7923885U JPS61195521U JP S61195521 U JPS61195521 U JP S61195521U JP 7923885 U JP7923885 U JP 7923885U JP 7923885 U JP7923885 U JP 7923885U JP S61195521 U JPS61195521 U JP S61195521U
Authority
JP
Japan
Prior art keywords
error signal
tracking error
information recording
recording surface
optical
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
JP7923885U
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 JP7923885U priority Critical patent/JPS61195521U/ja
Publication of JPS61195521U publication Critical patent/JPS61195521U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
JP7923885U 1985-05-29 1985-05-29 Pending JPS61195521U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7923885U JPS61195521U (enExample) 1985-05-29 1985-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7923885U JPS61195521U (enExample) 1985-05-29 1985-05-29

Publications (1)

Publication Number Publication Date
JPS61195521U true JPS61195521U (enExample) 1986-12-05

Family

ID=30623964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7923885U Pending JPS61195521U (enExample) 1985-05-29 1985-05-29

Country Status (1)

Country Link
JP (1) JPS61195521U (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53112705A (en) * 1977-03-14 1978-10-02 Mitsubishi Electric Corp Optical system information reproducer
JPS5979438A (ja) * 1982-10-29 1984-05-08 Sony Corp 光学式ピツクアツプ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53112705A (en) * 1977-03-14 1978-10-02 Mitsubishi Electric Corp Optical system information reproducer
JPS5979438A (ja) * 1982-10-29 1984-05-08 Sony Corp 光学式ピツクアツプ装置

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