JPS6391821U - - Google Patents
Info
- Publication number
- JPS6391821U JPS6391821U JP18490886U JP18490886U JPS6391821U JP S6391821 U JPS6391821 U JP S6391821U JP 18490886 U JP18490886 U JP 18490886U JP 18490886 U JP18490886 U JP 18490886U JP S6391821 U JPS6391821 U JP S6391821U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical head
- photodetector
- disk medium
- detection device
- 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
- 230000003287 optical effect Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
Landscapes
- Optical Head (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18490886U JPS6391821U (cs) | 1986-11-30 | 1986-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18490886U JPS6391821U (cs) | 1986-11-30 | 1986-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6391821U true JPS6391821U (cs) | 1988-06-14 |
Family
ID=31133036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18490886U Pending JPS6391821U (cs) | 1986-11-30 | 1986-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6391821U (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04126318U (ja) * | 1991-04-26 | 1992-11-18 | 日本電気ホームエレクトロニクス株式会社 | 光ヘツド装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61217941A (ja) * | 1985-03-22 | 1986-09-27 | Matsushita Electric Ind Co Ltd | 光学ヘツド位置検出装置 |
-
1986
- 1986-11-30 JP JP18490886U patent/JPS6391821U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61217941A (ja) * | 1985-03-22 | 1986-09-27 | Matsushita Electric Ind Co Ltd | 光学ヘツド位置検出装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04126318U (ja) * | 1991-04-26 | 1992-11-18 | 日本電気ホームエレクトロニクス株式会社 | 光ヘツド装置 |
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