JPS634269Y2 - - Google Patents
Info
- Publication number
- JPS634269Y2 JPS634269Y2 JP5763982U JP5763982U JPS634269Y2 JP S634269 Y2 JPS634269 Y2 JP S634269Y2 JP 5763982 U JP5763982 U JP 5763982U JP 5763982 U JP5763982 U JP 5763982U JP S634269 Y2 JPS634269 Y2 JP S634269Y2
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- moving body
- focus
- objective lens
- parallel plate
- 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
- 230000002265 prevention Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 9
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5763982U JPS58163026U (ja) | 1982-04-22 | 1982-04-22 | 光ピツクアツプのアクチユエ−タ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5763982U JPS58163026U (ja) | 1982-04-22 | 1982-04-22 | 光ピツクアツプのアクチユエ−タ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58163026U JPS58163026U (ja) | 1983-10-29 |
| JPS634269Y2 true JPS634269Y2 (sv) | 1988-02-03 |
Family
ID=30068077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5763982U Granted JPS58163026U (ja) | 1982-04-22 | 1982-04-22 | 光ピツクアツプのアクチユエ−タ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58163026U (sv) |
-
1982
- 1982-04-22 JP JP5763982U patent/JPS58163026U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58163026U (ja) | 1983-10-29 |
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