JPH0481810B2 - - Google Patents
Info
- Publication number
- JPH0481810B2 JPH0481810B2 JP15766986A JP15766986A JPH0481810B2 JP H0481810 B2 JPH0481810 B2 JP H0481810B2 JP 15766986 A JP15766986 A JP 15766986A JP 15766986 A JP15766986 A JP 15766986A JP H0481810 B2 JPH0481810 B2 JP H0481810B2
- Authority
- JP
- Japan
- Prior art keywords
- holding member
- coil
- objective lens
- moving
- magnetic circuit
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 14
- 230000004907 flux Effects 0.000 claims description 6
- 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
- 150000001875 compounds Chemical class 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
- 230000010287 polarization Effects 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
- Optical Recording Or Reproduction (AREA)
- 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)
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 JPS6313138A (ja) | 1988-01-20 |
JPH0481810B2 true JPH0481810B2 (de) | 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 (de) |
Families Citing this family (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 (de) * | 1989-08-25 | 1991-04-18 | ||
JP2881959B2 (ja) * | 1990-05-21 | 1999-04-12 | ソニー株式会社 | カメラ用レンズ鏡筒 |
US5289318A (en) * | 1990-07-31 | 1994-02-22 | Canon Kabushiki Kaisha | Optical apparatus provided with a driving unit for moving a lens |
JP3246241B2 (ja) * | 1994-11-17 | 2002-01-15 | キヤノン株式会社 | 光学装置 |
-
1986
- 1986-07-03 JP JP15766986A patent/JPS6313138A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6313138A (ja) | 1988-01-20 |
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