JPS647406B2 - - Google Patents
Info
- Publication number
- JPS647406B2 JPS647406B2 JP14881080A JP14881080A JPS647406B2 JP S647406 B2 JPS647406 B2 JP S647406B2 JP 14881080 A JP14881080 A JP 14881080A JP 14881080 A JP14881080 A JP 14881080A JP S647406 B2 JPS647406 B2 JP S647406B2
- Authority
- JP
- Japan
- Prior art keywords
- arm member
- arm
- record carrier
- rotation axis
- scanning device
- 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 17
- 230000005855 radiation Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 230000036316 preload Effects 0.000 claims description 2
- 230000003071 parasitic effect Effects 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000010008 shearing 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08576—Swinging-arm positioners
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14881080A JPS5771533A (en) | 1980-10-22 | 1980-10-22 | Optical scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14881080A JPS5771533A (en) | 1980-10-22 | 1980-10-22 | Optical scanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5771533A JPS5771533A (en) | 1982-05-04 |
| JPS647406B2 true JPS647406B2 (US07909887-20110322-C00021.png) | 1989-02-08 |
Family
ID=15461211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14881080A Granted JPS5771533A (en) | 1980-10-22 | 1980-10-22 | Optical scanner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5771533A (US07909887-20110322-C00021.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| NL8304141A (nl) * | 1983-12-01 | 1985-07-01 | Philips Nv | Electro-optische inrichting voor de electro-dynamische regeling van de positie van een stralingsvlek. |
| JPH0668843B2 (ja) * | 1985-08-16 | 1994-08-31 | ソニー株式会社 | 光学ピツクアツプ装置 |
-
1980
- 1980-10-22 JP JP14881080A patent/JPS5771533A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5771533A (en) | 1982-05-04 |
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