JPH0140407B2 - - Google Patents
Info
- Publication number
- JPH0140407B2 JPH0140407B2 JP57064340A JP6434082A JPH0140407B2 JP H0140407 B2 JPH0140407 B2 JP H0140407B2 JP 57064340 A JP57064340 A JP 57064340A JP 6434082 A JP6434082 A JP 6434082A JP H0140407 B2 JPH0140407 B2 JP H0140407B2
- Authority
- JP
- Japan
- Prior art keywords
- holding member
- coils
- objective lens
- elastic
- disk
- 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
Links
- 230000003287 optical effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6434082A JPS58182139A (ja) | 1982-04-16 | 1982-04-16 | 対物レンズ駆動装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6434082A JPS58182139A (ja) | 1982-04-16 | 1982-04-16 | 対物レンズ駆動装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58182139A JPS58182139A (ja) | 1983-10-25 |
| JPH0140407B2 true JPH0140407B2 (nl) | 1989-08-29 |
Family
ID=13255410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6434082A Granted JPS58182139A (ja) | 1982-04-16 | 1982-04-16 | 対物レンズ駆動装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58182139A (nl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4587466A (en) * | 1982-12-09 | 1986-05-06 | Magnetic Peripherals | Two axis linear motor for optical focusing and tracking system in optical recording |
| JPS6069841A (ja) * | 1983-09-26 | 1985-04-20 | Toshiba Corp | 光学ヘッド装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5819743A (ja) * | 1981-07-24 | 1983-02-04 | Pioneer Video Corp | 記録情報読取装置における光学系駆動装置 |
-
1982
- 1982-04-16 JP JP6434082A patent/JPS58182139A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5819743A (ja) * | 1981-07-24 | 1983-02-04 | Pioneer Video Corp | 記録情報読取装置における光学系駆動装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58182139A (ja) | 1983-10-25 |
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