JPH03106529U - - Google Patents
Info
- Publication number
- JPH03106529U JPH03106529U JP1990015110U JP1511090U JPH03106529U JP H03106529 U JPH03106529 U JP H03106529U JP 1990015110 U JP1990015110 U JP 1990015110U JP 1511090 U JP1511090 U JP 1511090U JP H03106529 U JPH03106529 U JP H03106529U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- head section
- optical disk
- optical head
- light beam
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
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)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990015110U JPH03106529U (fr) | 1990-02-16 | 1990-02-16 | |
| DE4104779A DE4104779A1 (de) | 1990-02-16 | 1991-02-13 | Optischer kopf |
| FR9101784A FR2659479A1 (fr) | 1990-02-16 | 1991-02-14 | Tete optique d'enregistrement/reproduction pour disque optique. |
| CA002036412A CA2036412A1 (fr) | 1990-02-16 | 1991-02-15 | Tete optique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990015110U JPH03106529U (fr) | 1990-02-16 | 1990-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03106529U true JPH03106529U (fr) | 1991-11-05 |
Family
ID=11879693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990015110U Pending JPH03106529U (fr) | 1990-02-16 | 1990-02-16 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH03106529U (fr) |
| CA (1) | CA2036412A1 (fr) |
| DE (1) | DE4104779A1 (fr) |
| FR (1) | FR2659479A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311496A (en) * | 1992-11-13 | 1994-05-10 | Hyundai Electronics America | Achromatic expansion prism for magneto-optical drive |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015829A (ja) * | 1983-07-08 | 1985-01-26 | Canon Inc | 光記録装置のピツクアツプ |
| JPS60124035A (ja) * | 1983-12-07 | 1985-07-02 | Canon Inc | 光ヘッド装置 |
| JPS6448248A (en) * | 1987-08-17 | 1989-02-22 | Ricoh Kk | Optical pick-up device |
-
1990
- 1990-02-16 JP JP1990015110U patent/JPH03106529U/ja active Pending
-
1991
- 1991-02-13 DE DE4104779A patent/DE4104779A1/de not_active Ceased
- 1991-02-14 FR FR9101784A patent/FR2659479A1/fr active Pending
- 1991-02-15 CA CA002036412A patent/CA2036412A1/fr not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2036412A1 (fr) | 1991-08-17 |
| DE4104779A1 (de) | 1991-08-29 |
| FR2659479A1 (fr) | 1991-09-13 |