JPS6453356A - Objective lens driving device - Google Patents

Objective lens driving device

Info

Publication number
JPS6453356A
JPS6453356A JP21062087A JP21062087A JPS6453356A JP S6453356 A JPS6453356 A JP S6453356A JP 21062087 A JP21062087 A JP 21062087A JP 21062087 A JP21062087 A JP 21062087A JP S6453356 A JPS6453356 A JP S6453356A
Authority
JP
Japan
Prior art keywords
objective lens
confronted
generating means
field generating
base
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
JP21062087A
Other languages
Japanese (ja)
Other versions
JPH0675295B2 (en
Inventor
Toru Inage
Yoshimitsu Otaka
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.)
Toshiba TEC Corp
Original Assignee
Tokyo 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 Tokyo Electric Co Ltd filed Critical Tokyo Electric Co Ltd
Priority to JP21062087A priority Critical patent/JPH0675295B2/en
Publication of JPS6453356A publication Critical patent/JPS6453356A/en
Publication of JPH0675295B2 publication Critical patent/JPH0675295B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:To improve the responsiveness of displacement of an objective lens, by linking a fixed part to an objective lens mounting part by a flexible deformation part, and providing a magnetic material and a magnetic field generating means for focusing servo and tracking servo, respectively, at a part where a base is confronted with the objective lens mounting part. CONSTITUTION:A thin plate shape objective lens holding plate 10 in which the objective lens mounting part 10b in a center part is formed integrally in shape linked by the flexible deformation part 10c and the base 11 are arranged oppositely at an outside fixed part 10a in parallel with each other. And at the part where the base 11 and the objective lens mounting part 10b are confronted with an objective lens 15, the magnetic material 13 on one side, and the magnetic field generating means 17 on the other side for focusing servo are provided and also, at the part confronted separately from the above position, the magnetic material 14 on one side and the magnetic field generating means 18 on the other side for tracking servo are provided. The objective lens 15 can be displaced in its optical axial direction or a direction at right angles to the optical axis corresponding to magnetic strength, thereby, the responsiveness can be improved.
JP21062087A 1987-08-25 1987-08-25 Objective lens drive Expired - Lifetime JPH0675295B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21062087A JPH0675295B2 (en) 1987-08-25 1987-08-25 Objective lens drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21062087A JPH0675295B2 (en) 1987-08-25 1987-08-25 Objective lens drive

Publications (2)

Publication Number Publication Date
JPS6453356A true JPS6453356A (en) 1989-03-01
JPH0675295B2 JPH0675295B2 (en) 1994-09-21

Family

ID=16592342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21062087A Expired - Lifetime JPH0675295B2 (en) 1987-08-25 1987-08-25 Objective lens drive

Country Status (1)

Country Link
JP (1) JPH0675295B2 (en)

Also Published As

Publication number Publication date
JPH0675295B2 (en) 1994-09-21

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