SG80016A1 - Method and apparatus for measuring characteristics of optical pickup - Google Patents
Method and apparatus for measuring characteristics of optical pickupInfo
- Publication number
- SG80016A1 SG80016A1 SG9900991A SG1999000991A SG80016A1 SG 80016 A1 SG80016 A1 SG 80016A1 SG 9900991 A SG9900991 A SG 9900991A SG 1999000991 A SG1999000991 A SG 1999000991A SG 80016 A1 SG80016 A1 SG 80016A1
- Authority
- SG
- Singapore
- Prior art keywords
- optical pickup
- measuring characteristics
- measuring
- pickup
- optical
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG9900991A SG80016A1 (en) | 1999-03-24 | 1999-03-24 | Method and apparatus for measuring characteristics of optical pickup |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG9900991A SG80016A1 (en) | 1999-03-24 | 1999-03-24 | Method and apparatus for measuring characteristics of optical pickup |
Publications (1)
Publication Number | Publication Date |
---|---|
SG80016A1 true SG80016A1 (en) | 2001-04-17 |
Family
ID=20430291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG9900991A SG80016A1 (en) | 1999-03-24 | 1999-03-24 | Method and apparatus for measuring characteristics of optical pickup |
Country Status (1)
Country | Link |
---|---|
SG (1) | SG80016A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5511059A (en) * | 1994-06-14 | 1996-04-23 | Eastman Kodak Company | Multi-element grating beam splitter with a reflection grating element for use in front facet substraction |
US5761174A (en) * | 1994-09-02 | 1998-06-02 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Optical pickup device with split hologram element that diffracts light in direction parallel to track |
JPH10283644A (en) * | 1997-04-02 | 1998-10-23 | Sony Corp | Focus controller, its method and optical disk device |
-
1999
- 1999-03-24 SG SG9900991A patent/SG80016A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5511059A (en) * | 1994-06-14 | 1996-04-23 | Eastman Kodak Company | Multi-element grating beam splitter with a reflection grating element for use in front facet substraction |
US5761174A (en) * | 1994-09-02 | 1998-06-02 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Optical pickup device with split hologram element that diffracts light in direction parallel to track |
JPH10283644A (en) * | 1997-04-02 | 1998-10-23 | Sony Corp | Focus controller, its method and optical disk device |
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