JPS6239228U - - Google Patents
Info
- Publication number
- JPS6239228U JPS6239228U JP12990285U JP12990285U JPS6239228U JP S6239228 U JPS6239228 U JP S6239228U JP 12990285 U JP12990285 U JP 12990285U JP 12990285 U JP12990285 U JP 12990285U JP S6239228 U JPS6239228 U JP S6239228U
- Authority
- JP
- Japan
- Prior art keywords
- spots
- erasing
- astigmatism
- collimator
- reproduction
- 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.)
- Pending
Links
- 239000005357 flat glass Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 2
- 201000009310 astigmatism Diseases 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12990285U JPS6239228U (da) | 1985-08-28 | 1985-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12990285U JPS6239228U (da) | 1985-08-28 | 1985-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6239228U true JPS6239228U (da) | 1987-03-09 |
Family
ID=31026893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12990285U Pending JPS6239228U (da) | 1985-08-28 | 1985-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6239228U (da) |
-
1985
- 1985-08-28 JP JP12990285U patent/JPS6239228U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6239228U (da) | ||
| JPS57191837A (en) | Optical recording and reproducing device | |
| JPH0433552Y2 (da) | ||
| JPS61182926U (da) | ||
| JPS61140434U (da) | ||
| JPS61140430U (da) | ||
| JPS6148428U (da) | ||
| JPS6239229U (da) | ||
| JPS60127630U (ja) | 記録情報再生装置 | |
| JPH02128222U (da) | ||
| JPH0462508U (da) | ||
| JPH0366033U (da) | ||
| JPS63153323U (da) | ||
| JPS6283225U (da) | ||
| JPS6391825U (da) | ||
| JPH01162118U (da) | ||
| JPS61140429U (da) | ||
| JPS61105919U (da) | ||
| JPS6311724U (da) | ||
| JPH0349629U (da) | ||
| JPS63118715U (da) | ||
| JPS61187027U (da) | ||
| JPS6378312U (da) | ||
| JPH0268319U (da) | ||
| JPS6344216U (da) |