JPS6212570B2 - - Google Patents
Info
- Publication number
- JPS6212570B2 JPS6212570B2 JP9624981A JP9624981A JPS6212570B2 JP S6212570 B2 JPS6212570 B2 JP S6212570B2 JP 9624981 A JP9624981 A JP 9624981A JP 9624981 A JP9624981 A JP 9624981A JP S6212570 B2 JPS6212570 B2 JP S6212570B2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- lens holding
- coil
- holding cylinder
- yoke
- 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
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000000758 substrate Substances 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
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9624981A JPS57210457A (en) | 1981-06-22 | 1981-06-22 | Objective lense device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9624981A JPS57210457A (en) | 1981-06-22 | 1981-06-22 | Objective lense device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57210457A JPS57210457A (en) | 1982-12-24 |
JPS6212570B2 true JPS6212570B2 (enrdf_load_stackoverflow) | 1987-03-19 |
Family
ID=14159938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9624981A Granted JPS57210457A (en) | 1981-06-22 | 1981-06-22 | Objective lense device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57210457A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02151550A (ja) * | 1988-11-30 | 1990-06-11 | Fujitsu Ten Ltd | ワイパ制御装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6015835A (ja) * | 1983-07-05 | 1985-01-26 | Mitsubishi Electric Corp | 光学手段駆動装置 |
JPS6028037A (ja) * | 1983-07-22 | 1985-02-13 | Sharp Corp | 光学的情報読取装置 |
JPS6028040A (ja) * | 1983-07-22 | 1985-02-13 | Sharp Corp | 光学的情報読取装置 |
JPS6047128U (ja) * | 1983-09-08 | 1985-04-03 | 三洋電機株式会社 | 対物レンズ駆動装置 |
JPS6080516U (ja) * | 1983-11-05 | 1985-06-04 | ソニー株式会社 | 光学ピツクアツプ装置の対物レンズ駆動装置 |
JPS60102729U (ja) * | 1983-12-20 | 1985-07-13 | シャープ株式会社 | レンズ駆動装置 |
JPS60136926A (ja) * | 1983-12-26 | 1985-07-20 | Sharp Corp | 対物レンズ駆動装置 |
JPH0612577B2 (ja) * | 1983-12-27 | 1994-02-16 | 株式会社東芝 | 対物レンズ駆動装置 |
JPS60194718U (ja) * | 1984-06-05 | 1985-12-25 | シャープ株式会社 | 対物レンズ装置 |
JPS613334A (ja) * | 1984-06-14 | 1986-01-09 | Sharp Corp | 対物レンズ駆動装置 |
JPH045058Y2 (enrdf_load_stackoverflow) * | 1984-12-28 | 1992-02-13 | ||
JPS63135521U (enrdf_load_stackoverflow) * | 1986-09-25 | 1988-09-06 | ||
JPH0294126A (ja) * | 1988-09-30 | 1990-04-04 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置 |
CN110286460B (zh) * | 2019-07-15 | 2021-03-26 | 西安应用光学研究所 | 一种连续变焦镜头用单边定位凸轮驱动机构 |
-
1981
- 1981-06-22 JP JP9624981A patent/JPS57210457A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02151550A (ja) * | 1988-11-30 | 1990-06-11 | Fujitsu Ten Ltd | ワイパ制御装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS57210457A (en) | 1982-12-24 |
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