JPH0433547Y2 - - Google Patents
Info
- Publication number
- JPH0433547Y2 JPH0433547Y2 JP1984157418U JP15741884U JPH0433547Y2 JP H0433547 Y2 JPH0433547 Y2 JP H0433547Y2 JP 1984157418 U JP1984157418 U JP 1984157418U JP 15741884 U JP15741884 U JP 15741884U JP H0433547 Y2 JPH0433547 Y2 JP H0433547Y2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- magnetic
- lens holder
- magnetic circuit
- focus coil
- 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
- 230000007935 neutral effect Effects 0.000 claims description 23
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984157418U JPH0433547Y2 (fr) | 1984-10-17 | 1984-10-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984157418U JPH0433547Y2 (fr) | 1984-10-17 | 1984-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6172724U JPS6172724U (fr) | 1986-05-17 |
JPH0433547Y2 true JPH0433547Y2 (fr) | 1992-08-11 |
Family
ID=30715413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984157418U Expired JPH0433547Y2 (fr) | 1984-10-17 | 1984-10-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0433547Y2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0679383B2 (ja) * | 1988-06-16 | 1994-10-05 | 株式会社三協精機製作所 | 対物レンズ駆動装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58179635U (ja) * | 1982-05-25 | 1983-12-01 | 株式会社三協精機製作所 | ピックアップの対物レンズ駆動装置 |
-
1984
- 1984-10-17 JP JP1984157418U patent/JPH0433547Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6172724U (fr) | 1986-05-17 |
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