JPH0333935Y2 - - Google Patents
Info
- Publication number
- JPH0333935Y2 JPH0333935Y2 JP1984031237U JP3123784U JPH0333935Y2 JP H0333935 Y2 JPH0333935 Y2 JP H0333935Y2 JP 1984031237 U JP1984031237 U JP 1984031237U JP 3123784 U JP3123784 U JP 3123784U JP H0333935 Y2 JPH0333935 Y2 JP H0333935Y2
- Authority
- JP
- Japan
- Prior art keywords
- spring
- objective lens
- tracking
- optical axis
- focus
- 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 46
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3123784U JPS60146922U (ja) | 1984-03-06 | 1984-03-06 | 光学式ピツクアツプの対物レンズ支持装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3123784U JPS60146922U (ja) | 1984-03-06 | 1984-03-06 | 光学式ピツクアツプの対物レンズ支持装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60146922U JPS60146922U (ja) | 1985-09-30 |
JPH0333935Y2 true JPH0333935Y2 (US08063081-20111122-C00044.png) | 1991-07-18 |
Family
ID=30531659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3123784U Granted JPS60146922U (ja) | 1984-03-06 | 1984-03-06 | 光学式ピツクアツプの対物レンズ支持装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60146922U (US08063081-20111122-C00044.png) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53129605A (en) * | 1977-04-19 | 1978-11-11 | Sony Corp | Focus controller of optical reproducer |
JPS5850336A (ja) * | 1981-09-17 | 1983-03-24 | Matsushita Electric Ind Co Ltd | 可動体保持装置 |
-
1984
- 1984-03-06 JP JP3123784U patent/JPS60146922U/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53129605A (en) * | 1977-04-19 | 1978-11-11 | Sony Corp | Focus controller of optical reproducer |
JPS5850336A (ja) * | 1981-09-17 | 1983-03-24 | Matsushita Electric Ind Co Ltd | 可動体保持装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS60146922U (ja) | 1985-09-30 |
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