YU67378A - Apparatus for reading a radiation reflected record carrier - Google Patents
Apparatus for reading a radiation reflected record carrierInfo
- Publication number
- YU67378A YU67378A YU00673/78A YU67378A YU67378A YU 67378 A YU67378 A YU 67378A YU 00673/78 A YU00673/78 A YU 00673/78A YU 67378 A YU67378 A YU 67378A YU 67378 A YU67378 A YU 67378A
- Authority
- YU
- Yugoslavia
- Prior art keywords
- reading
- record carrier
- radiation reflected
- reflected record
- 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 (2)
| Publication Number | Publication Date |
|---|---|
| YU67378A true YU67378A (en) | 1982-06-30 |
| YU39193B YU39193B (en) | 1984-08-31 |
Family
ID=19828205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| YU00673/78A YU39193B (en) | 1977-03-22 | 1978-03-21 | Apparatus for reading a radiation-reflecting record 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 |
|---|---|---|---|---|
| CA1131361A (en) * | 1977-05-11 | 1982-09-07 | Fumitaka Kotaka | Focus servo device for use in optical read-out device of information |
| 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 DK DK120578A patent/DK145868C/en not_active IP Right Cessation
- 1978-03-17 IT IT21340/78A patent/IT1093316B/en active
- 1978-03-17 MX MX172816A patent/MX143603A/en unknown
- 1978-03-20 SE SE7803138A patent/SE424676B/en not_active IP Right Cessation
- 1978-03-20 PL PL1978205453A patent/PL113996B1/en unknown
- 1978-03-20 BR BR7801690A patent/BR7801690A/en unknown
- 1978-03-20 CH CH302678A patent/CH627016A5/en not_active IP Right Cessation
- 1978-03-20 AT AT0196578A patent/AT369580B/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
- 1978-03-20 AU AU34294/78A patent/AU510218B2/en not_active Expired
- 1978-03-20 ES ES468055A patent/ES468055A1/en not_active Expired
- 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 |
|---|---|
| NZ186732A (en) | 1981-02-11 |
| YU39193B (en) | 1984-08-31 |
| CH627016A5 (en) | 1981-12-15 |
| ES468055A1 (en) | 1978-11-16 |
| FR2385171A1 (en) | 1978-10-20 |
| IT1093316B (en) | 1985-07-19 |
| AU510218B2 (en) | 1980-06-12 |
| ZA78216B (en) | 1979-08-29 |
| AT369580B (en) | 1983-01-10 |
| DK145868B (en) | 1983-03-21 |
| PL205453A1 (en) | 1978-12-18 |
| AU3429478A (en) | 1979-09-27 |
| DK120578A (en) | 1978-09-23 |
| SE7803138L (en) | 1978-09-23 |
| IT7821340A0 (en) | 1978-03-17 |
| ATA196578A (en) | 1982-05-15 |
| DK145868C (en) | 1983-09-12 |
| AR214353A1 (en) | 1979-05-31 |
| MX143603A (en) | 1981-06-05 |
| NL7703076A (en) | 1978-09-26 |
| BR7801690A (en) | 1979-01-02 |
| PL113996B1 (en) | 1981-01-31 |
| JPS53117403A (en) | 1978-10-13 |
| DE2810616A1 (en) | 1978-09-28 |
| BE865083A (en) | 1978-09-20 |
| SE424676B (en) | 1982-08-02 |
| CA1109560A (en) | 1981-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU511092B2 (en) | Apparatus for reading a radiation reflecting record carrier | |
| GB2029051B (en) | Apparatus for reading a disc-shaped record carrier | |
| YU275782A (en) | Apparatus for reading a record carrier with an optically readabile structure | |
| GB2034080B (en) | Optical apparatus for reading a disc record | |
| AU4235778A (en) | Record carrier | |
| ZA764641B (en) | Apparatus for reading a disk-shaped record carrier | |
| JPS5469034A (en) | Device for moving data | |
| JPS567249A (en) | Optical scan device for record carrier | |
| GB2033187B (en) | Apparatus for reading a reflecting optical record carrier | |
| ZA762337B (en) | Apparatus for reading a record carrier | |
| ZA78217B (en) | Apparatus for reading an optical radiation-reflecting record carrier | |
| YU67378A (en) | Apparatus for reading a radiation reflected record carrier | |
| ZA803192B (en) | Apparatus for reading information | |
| ZA795043B (en) | Apparatus for reading a disc-shaped record carrier | |
| AU516903B2 (en) | Optically reading a record carrier | |
| AU3219178A (en) | Container for tape record cassettes | |
| GB2009477B (en) | Optoelectronic apparatus for reading information contained in an information carrier | |
| GB2014400B (en) | Arrangement for detecting data | |
| AU4063778A (en) | Recording carrier | |
| HK52180A (en) | Apparatus for reading a record carrier | |
| JPS5454034A (en) | Information recording carrier | |
| JPS53110548A (en) | Position reading apparatus | |
| JPS5689672A (en) | Reading device for data | |
| JPS5450303A (en) | Information record carrier | |
| ZA777710B (en) | Container for tape record cassettes |