JPS53118103A - Optical radiation reflection type information carrier reader - Google Patents
Optical radiation reflection type information carrier readerInfo
- Publication number
- JPS53118103A JPS53118103A JP3227278A JP3227278A JPS53118103A JP S53118103 A JPS53118103 A JP S53118103A JP 3227278 A JP3227278 A JP 3227278A JP 3227278 A JP3227278 A JP 3227278A JP S53118103 A JPS53118103 A JP S53118103A
- Authority
- JP
- Japan
- Prior art keywords
- type information
- reflection type
- information carrier
- optical radiation
- radiation reflection
- 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.)
- Granted
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
- G11B7/0908—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 for focusing only
- G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
-
- 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
- G11B7/0908—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 for focusing only
-
- 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
- G11B7/0908—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 for focusing only
- G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
- G11B2007/0924—Skewed beams methods (using an angled beam, i.e. a beam which is reflected from the disc at an angle different from 90°)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7703123A NL7703123A (en) | 1977-03-23 | 1977-03-23 | DEVICE FOR READING AN OPTICAL RADIATION-REFLECTING REGISTRATION CARRIER. |
| NL7703123 | 1977-03-23 | ||
| NL7706753 | 1977-06-20 | ||
| NL7706753A NL7706753A (en) | 1977-03-23 | 1977-06-20 | DEVICE FOR READING AN OPTICAL RADIATION-REFLECTING INFORMATION CARRIER. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53118103A true JPS53118103A (en) | 1978-10-16 |
| JPS6028055B2 JPS6028055B2 (en) | 1985-07-02 |
Family
ID=26645307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53032272A Expired JPS6028055B2 (en) | 1977-03-23 | 1978-03-20 | Optical radiation reflective information carrier reading device |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS6028055B2 (en) |
| AR (1) | AR217276A1 (en) |
| AT (1) | AT371275B (en) |
| AU (1) | AU516903B2 (en) |
| BE (1) | BE865140A (en) |
| BR (1) | BR7801692A (en) |
| CA (1) | CA1116294A (en) |
| DD (1) | DD135654A5 (en) |
| DE (1) | DE2810566A1 (en) |
| DK (1) | DK124478A (en) |
| ES (1) | ES468083A1 (en) |
| FR (1) | FR2385173A1 (en) |
| GB (1) | GB1589035A (en) |
| IT (1) | IT1093249B (en) |
| NL (1) | NL7706753A (en) |
| SE (1) | SE424677B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632114A (en) * | 1979-06-12 | 1981-04-01 | Philips Nv | Optical image forming system |
| JPS57186240A (en) * | 1981-11-09 | 1982-11-16 | Teac Co | Optical reproducing device |
| US4546460A (en) * | 1981-10-22 | 1985-10-08 | Tokyo Shibaura Denki Kabushiki Kaisha | Videodisc autofocus device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7809635A (en) * | 1978-09-22 | 1980-03-25 | Philips Nv | DEVICE FOR READING AN OPTICAL REGISTRATION CARRIER CONTAINING A RADIATION-REFLECTING INFORMATION STRUCTURE. |
| FR2460523A1 (en) * | 1979-06-29 | 1981-01-23 | Thomson Csf | SEMICONDUCTOR LASER SOURCE OPTICAL READING HEAD AND DEVICE FOR REFLECTING AN INFORMATION MEDIUM COMPRISING SUCH AN OPTICAL HEAD |
| JPS59119548A (en) * | 1982-12-25 | 1984-07-10 | Pioneer Electronic Corp | Optical pickup device |
| JPS59125727U (en) * | 1983-02-15 | 1984-08-24 | パイオニア株式会社 | Optical information pickup device |
| US4630927A (en) * | 1983-02-15 | 1986-12-23 | General Electric Company | Optical projector |
| JPS60197950A (en) * | 1984-03-22 | 1985-10-07 | Toshiba Corp | Optical head |
| JPH0626972Y2 (en) * | 1986-10-03 | 1994-07-20 | パイオニア株式会社 | Optical pickup device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2313716A1 (en) * | 1975-06-03 | 1976-12-31 | Thomson Brandt | OPTICAL READING SYSTEM BY REFLECTION OF AN INFORMATION MEDIA |
-
1977
- 1977-06-20 NL NL7706753A patent/NL7706753A/en not_active Application Discontinuation
-
1978
- 1978-02-16 AR AR271114A patent/AR217276A1/en active
- 1978-03-11 DE DE19782810566 patent/DE2810566A1/en active Granted
- 1978-03-15 CA CA299,001A patent/CA1116294A/en not_active Expired
- 1978-03-20 GB GB10887/78A patent/GB1589035A/en not_active Expired
- 1978-03-20 AU AU34292/78A patent/AU516903B2/en not_active Expired
- 1978-03-20 BR BR7801692A patent/BR7801692A/en unknown
- 1978-03-20 SE SE7803140A patent/SE424677B/en not_active IP Right Cessation
- 1978-03-20 JP JP53032272A patent/JPS6028055B2/en not_active Expired
- 1978-03-20 DK DK124478A patent/DK124478A/en unknown
- 1978-03-20 DD DD78204290A patent/DD135654A5/en unknown
- 1978-03-20 IT IT21384/78A patent/IT1093249B/en active
- 1978-03-21 AT AT0200278A patent/AT371275B/en active
- 1978-03-21 BE BE186137A patent/BE865140A/en not_active IP Right Cessation
- 1978-03-21 ES ES468083A patent/ES468083A1/en not_active Expired
- 1978-03-22 FR FR7808297A patent/FR2385173A1/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632114A (en) * | 1979-06-12 | 1981-04-01 | Philips Nv | Optical image forming system |
| JPS6337364B2 (en) * | 1979-06-12 | 1988-07-25 | Fuiritsupusu Furuuiranpenfuaburiken Nv | |
| US4546460A (en) * | 1981-10-22 | 1985-10-08 | Tokyo Shibaura Denki Kabushiki Kaisha | Videodisc autofocus device |
| JPS57186240A (en) * | 1981-11-09 | 1982-11-16 | Teac Co | Optical reproducing device |
| JPS6218974B2 (en) * | 1981-11-09 | 1987-04-25 | Teac Corp |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7706753A (en) | 1978-12-22 |
| BE865140A (en) | 1978-09-21 |
| CA1116294A (en) | 1982-01-12 |
| ES468083A1 (en) | 1978-12-16 |
| DD135654A5 (en) | 1979-05-16 |
| GB1589035A (en) | 1981-05-07 |
| SE7803140L (en) | 1978-09-24 |
| ATA200278A (en) | 1982-10-15 |
| IT1093249B (en) | 1985-07-19 |
| SE424677B (en) | 1982-08-02 |
| JPS6028055B2 (en) | 1985-07-02 |
| DE2810566C2 (en) | 1988-01-21 |
| AU3429278A (en) | 1979-09-27 |
| AR217276A1 (en) | 1980-03-14 |
| DK124478A (en) | 1978-09-24 |
| BR7801692A (en) | 1979-01-02 |
| DE2810566A1 (en) | 1978-09-28 |
| AT371275B (en) | 1983-06-10 |
| AU516903B2 (en) | 1981-06-25 |
| FR2385173A1 (en) | 1978-10-20 |
| FR2385173B1 (en) | 1985-05-10 |
| IT7821384A0 (en) | 1978-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5317706A (en) | Optical recording carrier reader | |
| JPS51150303A (en) | Reflecting optical data carrier reader | |
| JPS53117404A (en) | Radiation reflection type record carrrier reader | |
| JPS5489705A (en) | Optical reader | |
| JPS51141651A (en) | Optical beam information reader | |
| JPS52152704A (en) | Optical data disk reader | |
| GB2018483B (en) | Optical information reading device | |
| GB2053553B (en) | Optical information processor | |
| ZA795249B (en) | Record carrier containing information in an optically readable radiation reflecting information structure | |
| JPS5589923A (en) | Disktype record carrier reader | |
| JPS5484437A (en) | Optical data memory | |
| JPS5665272A (en) | Optical reader for barrcode label | |
| JPS5555449A (en) | Optical record carrier | |
| JPS53118103A (en) | Optical radiation reflection type information carrier reader | |
| JPS53111228A (en) | Optical reader | |
| JPS53117403A (en) | Reflection type record carrier reader | |
| JPS5422130A (en) | Optical reader | |
| JPS53118314A (en) | Data reader | |
| JPS5376805A (en) | Optical information reader | |
| JPS5313905A (en) | Optical information reader | |
| JPS53123103A (en) | Optical information reader | |
| JPS5310407A (en) | Optical information reader | |
| JPS5425703A (en) | Optical information reader | |
| JPS53116805A (en) | Optical information reader | |
| JPS54821A (en) | Optical reader |