SG71677A1 - Optical pickup - Google Patents
Optical pickupInfo
- Publication number
- SG71677A1 SG71677A1 SG1996009140A SG1996009140A SG71677A1 SG 71677 A1 SG71677 A1 SG 71677A1 SG 1996009140 A SG1996009140 A SG 1996009140A SG 1996009140 A SG1996009140 A SG 1996009140A SG 71677 A1 SG71677 A1 SG 71677A1
- Authority
- SG
- Singapore
- Prior art keywords
- optical pickup
- pickup
- optical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1362—Mirrors
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09069995A JP3163939B2 (en) | 1995-04-17 | 1995-04-17 | Optical pickup |
Publications (1)
Publication Number | Publication Date |
---|---|
SG71677A1 true SG71677A1 (en) | 2000-04-18 |
Family
ID=14005782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996009140A SG71677A1 (en) | 1995-04-17 | 1996-04-15 | Optical pickup |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP3163939B2 (en) |
KR (1) | KR100297527B1 (en) |
CN (1) | CN1087859C (en) |
SG (1) | SG71677A1 (en) |
TW (1) | TW311221B (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0421930A (en) * | 1990-05-16 | 1992-01-24 | Ricoh Co Ltd | Optical pickup device |
JPH076442A (en) * | 1993-04-23 | 1995-01-10 | Sony Corp | Optical head for detecting magneto-optics |
-
1995
- 1995-04-17 JP JP09069995A patent/JP3163939B2/en not_active Expired - Fee Related
-
1996
- 1996-04-10 TW TW085104220A patent/TW311221B/zh active
- 1996-04-15 SG SG1996009140A patent/SG71677A1/en unknown
- 1996-04-16 KR KR1019960011377A patent/KR100297527B1/en not_active IP Right Cessation
- 1996-04-17 CN CN96106129A patent/CN1087859C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR960038783A (en) | 1996-11-21 |
JP3163939B2 (en) | 2001-05-08 |
CN1140300A (en) | 1997-01-15 |
TW311221B (en) | 1997-07-21 |
JPH08287509A (en) | 1996-11-01 |
KR100297527B1 (en) | 2001-10-24 |
CN1087859C (en) | 2002-07-17 |
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