MX143603A - APPARATUS FOR READING A RADIATION REFLECTION RECORDING CARRIER - Google Patents
APPARATUS FOR READING A RADIATION REFLECTION RECORDING CARRIERInfo
- Publication number
- MX143603A MX143603A MX172816A MX17281678A MX143603A MX 143603 A MX143603 A MX 143603A MX 172816 A MX172816 A MX 172816A MX 17281678 A MX17281678 A MX 17281678A MX 143603 A MX143603 A MX 143603A
- Authority
- MX
- Mexico
- Prior art keywords
- reading
- recording carrier
- radiation reflection
- reflection recording
- radiation
- Prior art date
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
- G11B7/0909—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 by astigmatic methods
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7703076A NL7703076A (en) | 1977-03-22 | 1977-03-22 | DEVICE FOR READING A RADIATION-REFLECTING RECORD CARRIER. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX143603A true MX143603A (en) | 1981-06-05 |
Family
ID=19828205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX172816A MX143603A (en) | 1977-03-22 | 1978-03-17 | APPARATUS FOR READING A RADIATION REFLECTION RECORDING CARRIER |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS53117403A (en) |
| AR (1) | AR214353A1 (en) |
| AT (1) | AT369580B (en) |
| AU (1) | AU510218B2 (en) |
| BE (1) | BE865083A (en) |
| BR (1) | BR7801690A (en) |
| CA (1) | CA1109560A (en) |
| CH (1) | CH627016A5 (en) |
| DE (1) | DE2810616A1 (en) |
| DK (1) | DK145868C (en) |
| ES (1) | ES468055A1 (en) |
| FR (1) | FR2385171A1 (en) |
| IT (1) | IT1093316B (en) |
| MX (1) | MX143603A (en) |
| NL (1) | NL7703076A (en) |
| NZ (1) | NZ186732A (en) |
| PL (1) | PL113996B1 (en) |
| SE (1) | SE424676B (en) |
| YU (1) | YU39193B (en) |
| ZA (1) | ZA78216B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290132A (en) * | 1977-05-11 | 1981-09-15 | Pioneer Electronic Corporation | Focus servo device for use in an optical information read-out device |
| FR2460022B1 (en) * | 1979-06-25 | 1987-09-11 | Hitachi Ltd | OPTICAL INFORMATION REPRODUCING SYSTEM |
| NL7907216A (en) * | 1979-09-28 | 1981-03-31 | Philips Nv | OPTICAL FOCUS ERROR DETECTION SYSTEM. |
| JPS59125727U (en) * | 1983-02-15 | 1984-08-24 | パイオニア株式会社 | Optical information pickup device |
| NL8400674A (en) * | 1984-03-02 | 1985-10-01 | Philips Nv | DEVICE FOR REGISTERING AND / OR READING INFORMATION IN A TRACK OF A REFLECTIVE RECORD CARRIER WITH A FOCUS CONTROL WITH REDUCED SPOT OFFSET SENSITIVITY. |
| JPS6139942A (en) * | 1984-08-01 | 1986-02-26 | Matsushita Electric Ind Co Ltd | Optical pickup |
| US4609813A (en) * | 1985-03-18 | 1986-09-02 | International Business Machines Corporation | Optical systems employing ovate light beams |
| JPS6310326A (en) * | 1986-07-01 | 1988-01-16 | Sanyo Electric Co Ltd | Optical pickup device |
| DE3828146A1 (en) * | 1988-08-19 | 1990-02-22 | Philips Patentverwaltung | ELECTRODYNAMIC ACTUATOR FOR AN OPTICAL WRITE-IN AND READ-OUT UNIT |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2271590B1 (en) * | 1974-01-15 | 1978-12-01 | Thomson Brandt | |
| NL182990C (en) * | 1975-07-07 | 1988-06-16 | Philips Nv | DEVICE FOR READING A RADIATION-REFLECTING RECORD CARRIER. |
| FR2325987A1 (en) * | 1975-09-29 | 1977-04-22 | Thomson Brandt | OPTICAL READING DEVICE FOR A RECORDING |
| GB1532345A (en) * | 1976-06-25 | 1978-11-15 | Hitachi Ltd | Information play-back apparatus |
| JPS5337722A (en) * | 1976-09-20 | 1978-04-07 | Ebata Shiyouji Kk | Method of producing concrete piles |
| NL7703077A (en) * | 1977-03-22 | 1978-09-26 | Philips Nv | DEVICE FOR READING A RADIATION-REFLECTING RECORD CARRIER. |
-
1977
- 1977-03-22 NL NL7703076A patent/NL7703076A/en not_active Application Discontinuation
-
1978
- 1978-01-12 ZA ZA00780216A patent/ZA78216B/en unknown
- 1978-02-06 AR AR270983A patent/AR214353A1/en active
- 1978-03-11 DE DE19782810616 patent/DE2810616A1/en active Pending
- 1978-03-15 CA CA298,999A patent/CA1109560A/en not_active Expired
- 1978-03-17 IT IT21340/78A patent/IT1093316B/en active
- 1978-03-17 MX MX172816A patent/MX143603A/en unknown
- 1978-03-17 DK DK120578A patent/DK145868C/en not_active IP Right Cessation
- 1978-03-20 AT AT0196578A patent/AT369580B/en not_active IP Right Cessation
- 1978-03-20 AU AU34294/78A patent/AU510218B2/en not_active Expired
- 1978-03-20 SE SE7803138A patent/SE424676B/en not_active IP Right Cessation
- 1978-03-20 ES ES468055A patent/ES468055A1/en not_active Expired
- 1978-03-20 BR BR7801690A patent/BR7801690A/en unknown
- 1978-03-20 PL PL1978205453A patent/PL113996B1/en unknown
- 1978-03-20 CH CH302678A patent/CH627016A5/en not_active IP Right Cessation
- 1978-03-20 NZ NZ186732A patent/NZ186732A/en unknown
- 1978-03-20 BE BE186087A patent/BE865083A/en not_active IP Right Cessation
- 1978-03-21 YU YU00673/78A patent/YU39193B/en unknown
- 1978-03-22 JP JP3182778A patent/JPS53117403A/en active Pending
- 1978-03-22 FR FR7808294A patent/FR2385171A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU510218B2 (en) | 1980-06-12 |
| DE2810616A1 (en) | 1978-09-28 |
| DK145868B (en) | 1983-03-21 |
| NZ186732A (en) | 1981-02-11 |
| YU67378A (en) | 1982-06-30 |
| DK145868C (en) | 1983-09-12 |
| AT369580B (en) | 1983-01-10 |
| ATA196578A (en) | 1982-05-15 |
| CH627016A5 (en) | 1981-12-15 |
| ES468055A1 (en) | 1978-11-16 |
| SE424676B (en) | 1982-08-02 |
| PL113996B1 (en) | 1981-01-31 |
| BE865083A (en) | 1978-09-20 |
| CA1109560A (en) | 1981-09-22 |
| BR7801690A (en) | 1979-01-02 |
| YU39193B (en) | 1984-08-31 |
| FR2385171A1 (en) | 1978-10-20 |
| JPS53117403A (en) | 1978-10-13 |
| AU3429478A (en) | 1979-09-27 |
| SE7803138L (en) | 1978-09-23 |
| NL7703076A (en) | 1978-09-26 |
| AR214353A1 (en) | 1979-05-31 |
| IT7821340A0 (en) | 1978-03-17 |
| PL205453A1 (en) | 1978-12-18 |
| ZA78216B (en) | 1979-08-29 |
| DK120578A (en) | 1978-09-23 |
| IT1093316B (en) | 1985-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU511092B2 (en) | Apparatus for reading a radiation reflecting record carrier | |
| JPS5469034A (en) | Device for moving data | |
| NZ182318A (en) | Oscillating tracking mirror for optically reading records | |
| JPS5242702A (en) | Optical device for projecting optical beam to data carrier | |
| AR211720A1 (en) | APPARATUS TO READ A RECORDING CARRIER | |
| DE2861769D1 (en) | Optical distance measuring apparatus | |
| GB2033187B (en) | Apparatus for reading a reflecting optical record carrier | |
| IT1092868B (en) | INFORMATION APPARATUS | |
| MX143603A (en) | APPARATUS FOR READING A RADIATION REFLECTION RECORDING CARRIER | |
| GB1552355A (en) | Apparatus for reading records optically | |
| ZA78217B (en) | Apparatus for reading an optical radiation-reflecting record carrier | |
| AR210100A1 (en) | APPARATUS TO OPTICALLY READ A RADIATION REFLECTOR RECORDING CARRIER | |
| JPS53118103A (en) | Optical radiation reflection type information carrier reader | |
| SE7811137L (en) | PROCEDURE FOR DATA TRANSFER | |
| IT1091863B (en) | APPARATUS FOR DATA READING | |
| IT1106243B (en) | OBJECTIVE SUPPORT FOR MICROFILM READING APPARATUS | |
| JPS52117175A (en) | Reflection repeating optical apparatus | |
| JPS52117157A (en) | Optical apparatus for detector | |
| JPS53110548A (en) | Position reading apparatus | |
| JPS5333604A (en) | Device for optically reading information | |
| JPS5336418A (en) | Device for reading optical information | |
| JPS52113769A (en) | Light wave distance measuring apparatus for short range | |
| JPS5396841A (en) | Optical information processing device | |
| JPS5373156A (en) | Automatic reading apparatus for wave form | |
| JPS53141643A (en) | Light reading method |