JPS6152533B2 - - Google Patents

Info

Publication number
JPS6152533B2
JPS6152533B2 JP7609380A JP7609380A JPS6152533B2 JP S6152533 B2 JPS6152533 B2 JP S6152533B2 JP 7609380 A JP7609380 A JP 7609380A JP 7609380 A JP7609380 A JP 7609380A JP S6152533 B2 JPS6152533 B2 JP S6152533B2
Authority
JP
Japan
Prior art keywords
vibration
circuit
beam spot
signal
output
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.)
Expired
Application number
JP7609380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS573231A (en
Inventor
Tadao Nagai
Masao Uehara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teac Corp
Original Assignee
Teac Corp
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 by Teac Corp filed Critical Teac Corp
Priority to JP7609380A priority Critical patent/JPS573231A/ja
Publication of JPS573231A publication Critical patent/JPS573231A/ja
Publication of JPS6152533B2 publication Critical patent/JPS6152533B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP7609380A 1980-06-06 1980-06-06 Optical reproducer Granted JPS573231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7609380A JPS573231A (en) 1980-06-06 1980-06-06 Optical reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7609380A JPS573231A (en) 1980-06-06 1980-06-06 Optical reproducer

Publications (2)

Publication Number Publication Date
JPS573231A JPS573231A (en) 1982-01-08
JPS6152533B2 true JPS6152533B2 (enrdf_load_stackoverflow) 1986-11-13

Family

ID=13595225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7609380A Granted JPS573231A (en) 1980-06-06 1980-06-06 Optical reproducer

Country Status (1)

Country Link
JP (1) JPS573231A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005109424A1 (en) * 2004-05-12 2005-11-17 Koninklijke Philips Electronics N.V. Improved servo system, record carrier and playback device

Also Published As

Publication number Publication date
JPS573231A (en) 1982-01-08

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