JPS63157817U - - Google Patents
Info
- Publication number
- JPS63157817U JPS63157817U JP4981687U JP4981687U JPS63157817U JP S63157817 U JPS63157817 U JP S63157817U JP 4981687 U JP4981687 U JP 4981687U JP 4981687 U JP4981687 U JP 4981687U JP S63157817 U JPS63157817 U JP S63157817U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- optical disk
- optical
- traveling body
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims 2
- 239000012780 transparent material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987049816U JPH0629776Y2 (ja) | 1987-04-03 | 1987-04-03 | 光ピツクアツプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987049816U JPH0629776Y2 (ja) | 1987-04-03 | 1987-04-03 | 光ピツクアツプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63157817U true JPS63157817U (fr) | 1988-10-17 |
JPH0629776Y2 JPH0629776Y2 (ja) | 1994-08-10 |
Family
ID=30872618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987049816U Expired - Lifetime JPH0629776Y2 (ja) | 1987-04-03 | 1987-04-03 | 光ピツクアツプ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0629776Y2 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6119003A (ja) * | 1984-06-28 | 1986-01-27 | セラ・ゲゼルシヤフト・フユア・パテントフエルトング・エム・ベー・ハー | 照射装置 |
-
1987
- 1987-04-03 JP JP1987049816U patent/JPH0629776Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6119003A (ja) * | 1984-06-28 | 1986-01-27 | セラ・ゲゼルシヤフト・フユア・パテントフエルトング・エム・ベー・ハー | 照射装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0629776Y2 (ja) | 1994-08-10 |
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