SE409150B - Apparat for avlesning av uppteckningsberare innefattande centreringsanordning - Google Patents
Apparat for avlesning av uppteckningsberare innefattande centreringsanordningInfo
- Publication number
- SE409150B SE409150B SE7502097A SE7502097A SE409150B SE 409150 B SE409150 B SE 409150B SE 7502097 A SE7502097 A SE 7502097A SE 7502097 A SE7502097 A SE 7502097A SE 409150 B SE409150 B SE 409150B
- Authority
- SE
- Sweden
- Prior art keywords
- reading
- record carrier
- centering device
- carrier including
- including centering
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
-
- 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
-
- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0953—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7402767,A NL177780C (nl) | 1974-02-28 | 1974-02-28 | Inrichting voor het uitlezen van een op een draaitafel te plaatsen schijfvormige registratiedrager. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7502097L SE7502097L (it) | 1975-08-29 |
| SE409150B true SE409150B (sv) | 1979-07-30 |
Family
ID=19820865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7502097A SE409150B (sv) | 1974-02-28 | 1975-02-25 | Apparat for avlesning av uppteckningsberare innefattande centreringsanordning |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3934080A (it) |
| JP (1) | JPS5838852B2 (it) |
| AT (1) | AT355819B (it) |
| AU (1) | AU497549B2 (it) |
| BE (1) | BE826027A (it) |
| CA (1) | CA1059620A (it) |
| CH (1) | CH592351A5 (it) |
| DE (1) | DE2506452C2 (it) |
| DK (1) | DK140160B (it) |
| ES (1) | ES435084A1 (it) |
| FR (1) | FR2262848B3 (it) |
| GB (1) | GB1504208A (it) |
| IT (1) | IT1033176B (it) |
| NL (1) | NL177780C (it) |
| SE (1) | SE409150B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4918678A (en) * | 1977-12-12 | 1990-04-17 | Dolby Ray Milton | Disc reproducing system for compensating mechanical imperfections |
| JPS5786173A (en) * | 1980-11-17 | 1982-05-29 | Toshiba Corp | Recorder and reproducer |
| NL8200208A (nl) * | 1982-01-21 | 1983-08-16 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige registratiedrager. |
| US4788676A (en) * | 1986-12-19 | 1988-11-29 | Dennis James T | Record player |
| DE19806898A1 (de) | 1998-02-19 | 1999-08-26 | Thomson Brandt Gmbh | Gerät zum Lesen und/oder Beschreiben scheibenförmiger Aufzeichnungsträger |
| CN113324150A (zh) * | 2021-06-01 | 2021-08-31 | 北京华之峰智能技术有限公司 | 一种用于记录飞行区通道信息的摄影机 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2863668A (en) * | 1953-04-21 | 1958-12-09 | Robert P Lathrop | Apparatus for establishing concentric operation of phonograph sound grooves |
| US3000005A (en) * | 1957-10-29 | 1961-09-12 | Rca Corp | Off-center indicator |
-
1974
- 1974-02-28 NL NLAANVRAGE7402767,A patent/NL177780C/xx not_active IP Right Cessation
- 1974-06-10 US US05/477,904 patent/US3934080A/en not_active Expired - Lifetime
-
1975
- 1975-02-15 DE DE2506452A patent/DE2506452C2/de not_active Expired
- 1975-02-20 CA CA220,671A patent/CA1059620A/en not_active Expired
- 1975-02-25 CH CH234475A patent/CH592351A5/xx not_active IP Right Cessation
- 1975-02-25 DK DK72775AA patent/DK140160B/da unknown
- 1975-02-25 IT IT20636/75A patent/IT1033176B/it active
- 1975-02-25 SE SE7502097A patent/SE409150B/xx unknown
- 1975-02-25 GB GB7797/75A patent/GB1504208A/en not_active Expired
- 1975-02-26 AU AU78566/75A patent/AU497549B2/en not_active Expired
- 1975-02-26 ES ES435084A patent/ES435084A1/es not_active Expired
- 1975-02-26 AT AT148375A patent/AT355819B/de not_active IP Right Cessation
- 1975-02-26 BE BE153784A patent/BE826027A/xx unknown
- 1975-02-27 JP JP50024485A patent/JPS5838852B2/ja not_active Expired
- 1975-02-28 FR FR7506358A patent/FR2262848B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7402767A (nl) | 1975-09-01 |
| DE2506452C2 (de) | 1984-12-13 |
| US3934080A (en) | 1976-01-20 |
| DK140160C (it) | 1979-11-19 |
| FR2262848A1 (it) | 1975-09-26 |
| ES435084A1 (es) | 1976-12-16 |
| GB1504208A (en) | 1978-03-15 |
| SE7502097L (it) | 1975-08-29 |
| DK140160B (da) | 1979-06-25 |
| JPS5838852B2 (ja) | 1983-08-25 |
| CH592351A5 (it) | 1977-10-31 |
| AT355819B (de) | 1980-03-25 |
| JPS50122204A (it) | 1975-09-25 |
| BE826027A (fr) | 1975-08-26 |
| ATA148375A (de) | 1979-08-15 |
| CA1059620A (en) | 1979-07-31 |
| NL177780C (nl) | 1985-11-18 |
| DK72775A (it) | 1975-10-27 |
| IT1033176B (it) | 1979-07-10 |
| DE2506452A1 (de) | 1975-09-04 |
| AU497549B2 (en) | 1978-12-14 |
| FR2262848B3 (it) | 1977-11-04 |
| NL177780B (nl) | 1985-06-17 |
| AU7856675A (en) | 1976-08-26 |
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