JPH0544894Y2 - - Google Patents
Info
- Publication number
- JPH0544894Y2 JPH0544894Y2 JP1986061885U JP6188586U JPH0544894Y2 JP H0544894 Y2 JPH0544894 Y2 JP H0544894Y2 JP 1986061885 U JP1986061885 U JP 1986061885U JP 6188586 U JP6188586 U JP 6188586U JP H0544894 Y2 JPH0544894 Y2 JP H0544894Y2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- focusing
- tracking
- objective lens
- magnet
- 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
- 238000004804 winding Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986061885U JPH0544894Y2 (US07709020-20100504-C00041.png) | 1986-04-25 | 1986-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986061885U JPH0544894Y2 (US07709020-20100504-C00041.png) | 1986-04-25 | 1986-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62223U JPS62223U (US07709020-20100504-C00041.png) | 1987-01-06 |
| JPH0544894Y2 true JPH0544894Y2 (US07709020-20100504-C00041.png) | 1993-11-16 |
Family
ID=30590579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986061885U Expired - Lifetime JPH0544894Y2 (US07709020-20100504-C00041.png) | 1986-04-25 | 1986-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544894Y2 (US07709020-20100504-C00041.png) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS578928A (en) * | 1980-06-20 | 1982-01-18 | Hitachi Ltd | Three-dimensional driver |
-
1986
- 1986-04-25 JP JP1986061885U patent/JPH0544894Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS578928A (en) * | 1980-06-20 | 1982-01-18 | Hitachi Ltd | Three-dimensional driver |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62223U (US07709020-20100504-C00041.png) | 1987-01-06 |
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