JPS644257B2 - - Google Patents
Info
- Publication number
- JPS644257B2 JPS644257B2 JP57039944A JP3994482A JPS644257B2 JP S644257 B2 JPS644257 B2 JP S644257B2 JP 57039944 A JP57039944 A JP 57039944A JP 3994482 A JP3994482 A JP 3994482A JP S644257 B2 JPS644257 B2 JP S644257B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- lens
- laser beam
- reflected
- light
- 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 36
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000010287 polarization Effects 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010008 shearing Methods 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1359—Single prisms
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Head (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57039944A JPS58158049A (ja) | 1982-03-12 | 1982-03-12 | 光学的情報記録装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57039944A JPS58158049A (ja) | 1982-03-12 | 1982-03-12 | 光学的情報記録装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58158049A JPS58158049A (ja) | 1983-09-20 |
| JPS644257B2 true JPS644257B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-25 |
Family
ID=12567060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57039944A Granted JPS58158049A (ja) | 1982-03-12 | 1982-03-12 | 光学的情報記録装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58158049A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61157919U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1985-03-20 | 1986-09-30 |
-
1982
- 1982-03-12 JP JP57039944A patent/JPS58158049A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58158049A (ja) | 1983-09-20 |