TW290686B - - Google Patents
Info
- Publication number
- TW290686B TW290686B TW084112748A TW84112748A TW290686B TW 290686 B TW290686 B TW 290686B TW 084112748 A TW084112748 A TW 084112748A TW 84112748 A TW84112748 A TW 84112748A TW 290686 B TW290686 B TW 290686B
- Authority
- TW
- Taiwan
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
- G11B7/139—Numerical aperture control means
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950004410A KR0154200B1 (ko) | 1995-03-04 | 1995-03-04 | Cd/dvd 계열 디스크 호환 기록/재생이 가능한 광픽업장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW290686B true TW290686B (zh) | 1996-11-11 |
Family
ID=19409207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW084112748A TW290686B (zh) | 1995-03-04 | 1995-11-30 |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR0154200B1 (zh) |
| TW (1) | TW290686B (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6262957B1 (en) | 1996-05-30 | 2001-07-17 | Hitachi, Ltd | Method and apparatus for automatically discriminating types of optical disks |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100354534B1 (ko) * | 1998-03-17 | 2002-12-11 | 삼성전자 주식회사 | 협트랙광디스크를위한광픽업 |
-
1995
- 1995-03-04 KR KR1019950004410A patent/KR0154200B1/ko not_active IP Right Cessation
- 1995-11-30 TW TW084112748A patent/TW290686B/zh active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6262957B1 (en) | 1996-05-30 | 2001-07-17 | Hitachi, Ltd | Method and apparatus for automatically discriminating types of optical disks |
Also Published As
| Publication number | Publication date |
|---|---|
| KR0154200B1 (ko) | 1998-12-15 |
| KR960035465A (ko) | 1996-10-24 |