KR970059659U - Dvd용 광픽업장치 - Google Patents
Dvd용 광픽업장치Info
- Publication number
- KR970059659U KR970059659U KR2019960007918U KR19960007918U KR970059659U KR 970059659 U KR970059659 U KR 970059659U KR 2019960007918 U KR2019960007918 U KR 2019960007918U KR 19960007918 U KR19960007918 U KR 19960007918U KR 970059659 U KR970059659 U KR 970059659U
- Authority
- KR
- South Korea
- Prior art keywords
- pickup device
- optical pickup
- dvd optical
- dvd
- pickup
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1395—Beam splitters or combiners
-
- 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 Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960007918U KR0137084Y1 (ko) | 1996-04-12 | 1996-04-12 | Dvd용 광픽업장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960007918U KR0137084Y1 (ko) | 1996-04-12 | 1996-04-12 | Dvd용 광픽업장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970059659U true KR970059659U (ko) | 1997-11-10 |
| KR0137084Y1 KR0137084Y1 (ko) | 1999-04-15 |
Family
ID=19453714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960007918U KR0137084Y1 (ko) | 1996-04-12 | 1996-04-12 | Dvd용 광픽업장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0137084Y1 (ko) |
-
1996
- 1996-04-12 KR KR2019960007918U patent/KR0137084Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR0137084Y1 (ko) | 1999-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 20070918 Year of fee payment: 10 |
|
| LAPS | Lapse due to unpaid annual fee |