JPH0240580Y2 - - Google Patents
Info
- Publication number
- JPH0240580Y2 JPH0240580Y2 JP10243081U JP10243081U JPH0240580Y2 JP H0240580 Y2 JPH0240580 Y2 JP H0240580Y2 JP 10243081 U JP10243081 U JP 10243081U JP 10243081 U JP10243081 U JP 10243081U JP H0240580 Y2 JPH0240580 Y2 JP H0240580Y2
- Authority
- JP
- Japan
- Prior art keywords
- disk
- pickup device
- optical pickup
- laser beam
- 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 47
- 239000004065 semiconductor Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000008033 biological extinction Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10243081U JPS5810229U (ja) | 1981-07-09 | 1981-07-09 | 光ピツクアツプ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10243081U JPS5810229U (ja) | 1981-07-09 | 1981-07-09 | 光ピツクアツプ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5810229U JPS5810229U (ja) | 1983-01-22 |
| JPH0240580Y2 true JPH0240580Y2 (enEXAMPLES) | 1990-10-30 |
Family
ID=29897070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10243081U Granted JPS5810229U (ja) | 1981-07-09 | 1981-07-09 | 光ピツクアツプ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5810229U (enEXAMPLES) |
-
1981
- 1981-07-09 JP JP10243081U patent/JPS5810229U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5810229U (ja) | 1983-01-22 |
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