JPS6313138A - 光学式情報記録再生装置 - Google Patents
光学式情報記録再生装置Info
- Publication number
- JPS6313138A JPS6313138A JP15766986A JP15766986A JPS6313138A JP S6313138 A JPS6313138 A JP S6313138A JP 15766986 A JP15766986 A JP 15766986A JP 15766986 A JP15766986 A JP 15766986A JP S6313138 A JPS6313138 A JP S6313138A
- Authority
- JP
- Japan
- Prior art keywords
- holding member
- coil
- magnetic circuit
- moving
- objective lens
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000004907 flux Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 201000009310 astigmatism Diseases 0.000 description 4
- 230000010287 polarization Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Moving Of Heads (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15766986A JPS6313138A (ja) | 1986-07-03 | 1986-07-03 | 光学式情報記録再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15766986A JPS6313138A (ja) | 1986-07-03 | 1986-07-03 | 光学式情報記録再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6313138A true JPS6313138A (ja) | 1988-01-20 |
| JPH0481810B2 JPH0481810B2 (enrdf_load_stackoverflow) | 1992-12-25 |
Family
ID=15654790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15766986A Granted JPS6313138A (ja) | 1986-07-03 | 1986-07-03 | 光学式情報記録再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6313138A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0227550A (ja) * | 1988-07-15 | 1990-01-30 | Toshiba Corp | 光学ヘッド |
| JPH0340663U (enrdf_load_stackoverflow) * | 1989-08-25 | 1991-04-18 | ||
| US5572372A (en) * | 1990-07-31 | 1996-11-05 | Canon Kabushiki Kaisha | Optical apparatus provided with a driving unit for moving a lens |
| US5828503A (en) * | 1994-11-17 | 1998-10-27 | Canon Kabushiki Kaisha | Driving device and optical apparatus having the same |
-
1986
- 1986-07-03 JP JP15766986A patent/JPS6313138A/ja active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0227550A (ja) * | 1988-07-15 | 1990-01-30 | Toshiba Corp | 光学ヘッド |
| JPH0340663U (enrdf_load_stackoverflow) * | 1989-08-25 | 1991-04-18 | ||
| US5572372A (en) * | 1990-07-31 | 1996-11-05 | Canon Kabushiki Kaisha | Optical apparatus provided with a driving unit for moving a lens |
| EP0469532B1 (en) * | 1990-07-31 | 1997-01-08 | Canon Kabushiki Kaisha | Optical apparatus provided with a driving unit for moving a lens |
| US5828503A (en) * | 1994-11-17 | 1998-10-27 | Canon Kabushiki Kaisha | Driving device and optical apparatus having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0481810B2 (enrdf_load_stackoverflow) | 1992-12-25 |
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