JPS63856B2 - - Google Patents
Info
- Publication number
- JPS63856B2 JPS63856B2 JP55064561A JP6456180A JPS63856B2 JP S63856 B2 JPS63856 B2 JP S63856B2 JP 55064561 A JP55064561 A JP 55064561A JP 6456180 A JP6456180 A JP 6456180A JP S63856 B2 JPS63856 B2 JP S63856B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- prism
- collimator lens
- disk
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 21
- 238000010586 diagram Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6456180A JPS56159847A (en) | 1980-05-14 | 1980-05-14 | Optical recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6456180A JPS56159847A (en) | 1980-05-14 | 1980-05-14 | Optical recording and reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56159847A JPS56159847A (en) | 1981-12-09 |
JPS63856B2 true JPS63856B2 (en18) | 1988-01-08 |
Family
ID=13261760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6456180A Granted JPS56159847A (en) | 1980-05-14 | 1980-05-14 | Optical recording and reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56159847A (en18) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5958637A (ja) * | 1982-09-28 | 1984-04-04 | Sony Corp | 光学式再生装置 |
JPS63244336A (ja) * | 1987-03-31 | 1988-10-11 | Canon Inc | 光学的記録再生装置 |
-
1980
- 1980-05-14 JP JP6456180A patent/JPS56159847A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56159847A (en) | 1981-12-09 |
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