FR2659479A1 - Tete optique d'enregistrement/reproduction pour disque optique. - Google Patents
Tete optique d'enregistrement/reproduction pour disque optique. Download PDFInfo
- Publication number
- FR2659479A1 FR2659479A1 FR9101784A FR9101784A FR2659479A1 FR 2659479 A1 FR2659479 A1 FR 2659479A1 FR 9101784 A FR9101784 A FR 9101784A FR 9101784 A FR9101784 A FR 9101784A FR 2659479 A1 FR2659479 A1 FR 2659479A1
- Authority
- FR
- France
- Prior art keywords
- light
- optical disc
- optical
- optical head
- reflected
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990015110U JPH03106529U (US06826419-20041130-M00005.png) | 1990-02-16 | 1990-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2659479A1 true FR2659479A1 (fr) | 1991-09-13 |
Family
ID=11879693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9101784A Pending FR2659479A1 (fr) | 1990-02-16 | 1991-02-14 | Tete optique d'enregistrement/reproduction pour disque optique. |
Country Status (4)
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6015828A (ja) * | 1983-07-08 | 1985-01-26 | Canon Inc | 光記録装置のピツクアツプ |
US4734905A (en) * | 1983-12-07 | 1988-03-29 | Canon Kabushiki Kaisha | Optical head device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6015828A (ja) * | 1983-07-08 | 1985-01-26 | Canon Inc | 光記録装置のピツクアツプ |
US4734905A (en) * | 1983-12-07 | 1988-03-29 | Canon Kabushiki Kaisha | Optical head device |
Non-Patent Citations (2)
Title |
---|
NAUMANN/SCHROEDER 'Bauelemente der optik - taschenbuch der technischen optik' 1987 , CARL HANSER VERLAG , MUNICH / VIENNA * |
PATENT ABSTRACTS OF JAPAN vol. 9, no. 133 (P-362)(1856) 8 Juin 1985 & JP-A-60 015 828 ( CANON KK ) * |
Also Published As
Publication number | Publication date |
---|---|
JPH03106529U (US06826419-20041130-M00005.png) | 1991-11-05 |
CA2036412A1 (en) | 1991-08-17 |
DE4104779A1 (de) | 1991-08-29 |
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