JPH0145143B2 - - Google Patents
Info
- Publication number
- JPH0145143B2 JPH0145143B2 JP57064338A JP6433882A JPH0145143B2 JP H0145143 B2 JPH0145143 B2 JP H0145143B2 JP 57064338 A JP57064338 A JP 57064338A JP 6433882 A JP6433882 A JP 6433882A JP H0145143 B2 JPH0145143 B2 JP H0145143B2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- lens holding
- rigid
- holding member
- support member
- 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 claims description 13
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 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
- 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
- 230000008901 benefit 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
- 230000000694 effects Effects 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
- 230000009467 reduction Effects 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 239000012744 reinforcing agent 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
- G11B7/0932—Details of sprung supports
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6433882A JPS58182137A (ja) | 1982-04-16 | 1982-04-16 | 光学式ディスク再生装置の対物レンズ保持装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6433882A JPS58182137A (ja) | 1982-04-16 | 1982-04-16 | 光学式ディスク再生装置の対物レンズ保持装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58182137A JPS58182137A (ja) | 1983-10-25 |
| JPH0145143B2 true JPH0145143B2 (fr) | 1989-10-02 |
Family
ID=13255350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6433882A Granted JPS58182137A (ja) | 1982-04-16 | 1982-04-16 | 光学式ディスク再生装置の対物レンズ保持装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58182137A (fr) |
Families Citing this family (3)
| 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 |
| JPS60191441A (ja) * | 1984-03-09 | 1985-09-28 | Toshiba Corp | 光学ヘツド装置 |
| NL8403052A (nl) * | 1984-10-08 | 1986-05-01 | Philips Nv | Optische inrichting. |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55146636A (en) * | 1979-04-27 | 1980-11-15 | Olympus Optical Co Ltd | Objective lens driver |
-
1982
- 1982-04-16 JP JP6433882A patent/JPS58182137A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55146636A (en) * | 1979-04-27 | 1980-11-15 | Olympus Optical Co Ltd | Objective lens driver |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58182137A (ja) | 1983-10-25 |
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