JPH0222814Y2 - - Google Patents
Info
- Publication number
- JPH0222814Y2 JPH0222814Y2 JP11114780U JP11114780U JPH0222814Y2 JP H0222814 Y2 JPH0222814 Y2 JP H0222814Y2 JP 11114780 U JP11114780 U JP 11114780U JP 11114780 U JP11114780 U JP 11114780U JP H0222814 Y2 JPH0222814 Y2 JP H0222814Y2
- Authority
- JP
- Japan
- Prior art keywords
- shutter
- recording medium
- pick
- shielding device
- objective lens
- 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 21
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11114780U JPH0222814Y2 (uk) | 1980-08-07 | 1980-08-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11114780U JPH0222814Y2 (uk) | 1980-08-07 | 1980-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5738337U JPS5738337U (uk) | 1982-03-01 |
JPH0222814Y2 true JPH0222814Y2 (uk) | 1990-06-20 |
Family
ID=29472266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11114780U Expired JPH0222814Y2 (uk) | 1980-08-07 | 1980-08-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0222814Y2 (uk) |
-
1980
- 1980-08-07 JP JP11114780U patent/JPH0222814Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5738337U (uk) | 1982-03-01 |
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