JPS59188846A - 光学式ピツクアツプ装置 - Google Patents

光学式ピツクアツプ装置

Info

Publication number
JPS59188846A
JPS59188846A JP5481783A JP5481783A JPS59188846A JP S59188846 A JPS59188846 A JP S59188846A JP 5481783 A JP5481783 A JP 5481783A JP 5481783 A JP5481783 A JP 5481783A JP S59188846 A JPS59188846 A JP S59188846A
Authority
JP
Japan
Prior art keywords
coil
yoke
axis
objective lens
wall
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
JP5481783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0150976B2 (enrdf_load_stackoverflow
Inventor
Satoshi Washimi
聡 鷲見
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.)
NEC Home Electronics Ltd
NEC Corp
Original Assignee
NEC Home Electronics Ltd
Nippon Electric Co Ltd
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 NEC Home Electronics Ltd, Nippon Electric Co Ltd filed Critical NEC Home Electronics Ltd
Priority to JP5481783A priority Critical patent/JPS59188846A/ja
Publication of JPS59188846A publication Critical patent/JPS59188846A/ja
Publication of JPH0150976B2 publication Critical patent/JPH0150976B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP5481783A 1983-03-30 1983-03-30 光学式ピツクアツプ装置 Granted JPS59188846A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5481783A JPS59188846A (ja) 1983-03-30 1983-03-30 光学式ピツクアツプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5481783A JPS59188846A (ja) 1983-03-30 1983-03-30 光学式ピツクアツプ装置

Publications (2)

Publication Number Publication Date
JPS59188846A true JPS59188846A (ja) 1984-10-26
JPH0150976B2 JPH0150976B2 (enrdf_load_stackoverflow) 1989-11-01

Family

ID=12981242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5481783A Granted JPS59188846A (ja) 1983-03-30 1983-03-30 光学式ピツクアツプ装置

Country Status (1)

Country Link
JP (1) JPS59188846A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120240A (en) * 1981-01-16 1982-07-27 Sony Corp Optical disk player

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120240A (en) * 1981-01-16 1982-07-27 Sony Corp Optical disk player

Also Published As

Publication number Publication date
JPH0150976B2 (enrdf_load_stackoverflow) 1989-11-01

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