KR920022230A - Optical head - Google Patents
Optical head Download PDFInfo
- Publication number
- KR920022230A KR920022230A KR1019910008125A KR910008125A KR920022230A KR 920022230 A KR920022230 A KR 920022230A KR 1019910008125 A KR1019910008125 A KR 1019910008125A KR 910008125 A KR910008125 A KR 910008125A KR 920022230 A KR920022230 A KR 920022230A
- Authority
- KR
- South Korea
- Prior art keywords
- optical
- optical head
- movable body
- objective lens
- incident light
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제2도는 본 발명의 제1실시예를 도식적으로 나타낸 측단면도.2 is a side cross-sectional view schematically showing a first embodiment of the present invention.
제3도는 본 발명의 제2실시예를 도식적으로 나타낸 측단면도.3 is a side cross-sectional view schematically showing a second embodiment of the present invention.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910008125A KR930009688B1 (en) | 1991-05-18 | 1991-05-18 | Optical head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910008125A KR930009688B1 (en) | 1991-05-18 | 1991-05-18 | Optical head |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920022230A true KR920022230A (en) | 1992-12-19 |
KR930009688B1 KR930009688B1 (en) | 1993-10-08 |
Family
ID=19314654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910008125A KR930009688B1 (en) | 1991-05-18 | 1991-05-18 | Optical head |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930009688B1 (en) |
-
1991
- 1991-05-18 KR KR1019910008125A patent/KR930009688B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930009688B1 (en) | 1993-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20070928 Year of fee payment: 15 |
|
LAPS | Lapse due to unpaid annual fee |