JPS641124A - Optical head - Google Patents
Optical headInfo
- Publication number
- JPS641124A JPS641124A JP62155206A JP15520687A JPS641124A JP S641124 A JPS641124 A JP S641124A JP 62155206 A JP62155206 A JP 62155206A JP 15520687 A JP15520687 A JP 15520687A JP S641124 A JPS641124 A JP S641124A
- Authority
- JP
- Japan
- Prior art keywords
- outputs
- semiconductor
- objective lens
- detection element
- position detection
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62155206A JPS641124A (en) | 1987-06-22 | 1987-06-22 | Optical head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62155206A JPS641124A (en) | 1987-06-22 | 1987-06-22 | Optical head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH011124A JPH011124A (ja) | 1989-01-05 |
JPS641124A true JPS641124A (en) | 1989-01-05 |
Family
ID=15600823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62155206A Pending JPS641124A (en) | 1987-06-22 | 1987-06-22 | Optical head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS641124A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5250636A (en) * | 1990-04-25 | 1993-10-05 | Kureha Kagaku Kogyo K.K. | Poly(arylene thioether-ketone-ketone) copolymer and production process thereof |
JP2007285530A (ja) * | 1994-08-15 | 2007-11-01 | Van Doornes Transmissie Bv | 無断変速機 |
-
1987
- 1987-06-22 JP JP62155206A patent/JPS641124A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5250636A (en) * | 1990-04-25 | 1993-10-05 | Kureha Kagaku Kogyo K.K. | Poly(arylene thioether-ketone-ketone) copolymer and production process thereof |
JP2007285530A (ja) * | 1994-08-15 | 2007-11-01 | Van Doornes Transmissie Bv | 無断変速機 |
JP4693819B2 (ja) * | 1994-08-15 | 2011-06-01 | バン・ドールネズ・トランスミツシー・ベー・ブイ | 無断変速機 |
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