SE395783B - Apparat for avlesning av en skivformad uppteckningsberare - Google Patents
Apparat for avlesning av en skivformad uppteckningsberareInfo
- Publication number
- SE395783B SE395783B SE7315153A SE7315153A SE395783B SE 395783 B SE395783 B SE 395783B SE 7315153 A SE7315153 A SE 7315153A SE 7315153 A SE7315153 A SE 7315153A SE 395783 B SE395783 B SE 395783B
- Authority
- SE
- Sweden
- Prior art keywords
- reading
- disc shaped
- shaped recorder
- recorder
- disc
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
-
- 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
- G11B7/0901—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 track following 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
- G11B7/095—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Optical Recording Or Reproduction (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Facsimile Scanning Arrangements (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7215307A NL7215307A (xx) | 1972-11-11 | 1972-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE395783B true SE395783B (sv) | 1977-08-22 |
Family
ID=19817347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7315153A SE395783B (sv) | 1972-11-11 | 1973-11-08 | Apparat for avlesning av en skivformad uppteckningsberare |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3876827A (xx) |
| JP (1) | JPS5420121B2 (xx) |
| AT (1) | AT330259B (xx) |
| BE (1) | BE807160A (xx) |
| BR (1) | BR7308762D0 (xx) |
| CA (1) | CA994909A (xx) |
| CH (1) | CH580843A5 (xx) |
| DE (1) | DE2353901A1 (xx) |
| DK (1) | DK137906B (xx) |
| ES (1) | ES420410A1 (xx) |
| FR (1) | FR2206550B1 (xx) |
| GB (1) | GB1452329A (xx) |
| IT (1) | IT999743B (xx) |
| NL (1) | NL7215307A (xx) |
| NO (1) | NO141135C (xx) |
| SE (1) | SE395783B (xx) |
| ZA (1) | ZA738174B (xx) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4703467A (en) * | 1972-10-24 | 1987-10-27 | Discovision Associates | Video disc read back scanner |
| US4282598A (en) * | 1972-10-24 | 1981-08-04 | Discovision Associates | Video disc read back scanner |
| JPS49106305A (xx) * | 1973-02-08 | 1974-10-08 | ||
| FR2251876B1 (xx) * | 1973-11-16 | 1977-09-23 | Thomson Brandt | |
| US4001494A (en) * | 1974-11-01 | 1977-01-04 | Zenith Radio Corporation | Photoreceptor matrix for optical video playback system |
| JPS6011374B2 (ja) * | 1975-02-05 | 1985-03-25 | 株式会社日立製作所 | 情報再生方法及びその装置 |
| JPS5271413U (xx) * | 1975-11-21 | 1977-05-27 | ||
| US4074085A (en) * | 1976-03-31 | 1978-02-14 | Eli S. Jacobs | Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks |
| NL7608561A (nl) * | 1976-08-02 | 1978-02-06 | Philips Nv | Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur. |
| US4087842A (en) * | 1976-11-05 | 1978-05-02 | Graham Magnetics Inc. | Recording track eccentricity compensation method and means |
| JPS54102107A (en) * | 1978-01-30 | 1979-08-11 | Hitachi Ltd | Control information detecting method |
| US4365324A (en) * | 1980-11-19 | 1982-12-21 | Rca Corporation | Eccentricity control device |
| JPS5812170A (ja) * | 1981-07-14 | 1983-01-24 | Victor Co Of Japan Ltd | 円盤状情報記録媒体再生装置のジツタ補正回路 |
| GB2136163A (en) * | 1983-02-15 | 1984-09-12 | Gen Electric | Light Beam Stabilizer |
| JPH077510B2 (ja) * | 1988-05-31 | 1995-01-30 | アルプス電気株式会社 | 光学式ピックアップにおけるビームスプリッタの固定構造 |
| US5268564A (en) | 1990-08-03 | 1993-12-07 | Symbol Technologies, Inc. | Bar code scanner actuated by detection of scanner motion |
| JPH05210868A (ja) * | 1992-01-30 | 1993-08-20 | Hitachi Ltd | マルチビーム分離形光ヘツド |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3361873A (en) * | 1962-05-07 | 1968-01-02 | Minnesota Mining & Mfg | Disc recording system |
| US3381086A (en) * | 1962-08-16 | 1968-04-30 | Minnesota Mining & Mfg | Reproduction of television signals from photographic disc recordings |
-
1972
- 1972-11-11 NL NL7215307A patent/NL7215307A/xx not_active Application Discontinuation
-
1973
- 1973-10-22 ZA ZA00738174A patent/ZA738174B/xx unknown
- 1973-10-27 DE DE19732353901 patent/DE2353901A1/de active Granted
- 1973-10-29 US US410774A patent/US3876827A/en not_active Expired - Lifetime
- 1973-11-08 IT IT70275/73A patent/IT999743B/it active
- 1973-11-08 GB GB5184973A patent/GB1452329A/en not_active Expired
- 1973-11-08 CH CH1571373A patent/CH580843A5/xx not_active IP Right Cessation
- 1973-11-08 CA CA185,305A patent/CA994909A/en not_active Expired
- 1973-11-08 JP JP12502373A patent/JPS5420121B2/ja not_active Expired
- 1973-11-08 NO NO4305/73A patent/NO141135C/no unknown
- 1973-11-08 DK DK604873AA patent/DK137906B/da unknown
- 1973-11-08 SE SE7315153A patent/SE395783B/xx unknown
- 1973-11-08 BR BR8762/73A patent/BR7308762D0/pt unknown
- 1973-11-08 AT AT939873A patent/AT330259B/de not_active IP Right Cessation
- 1973-11-09 BE BE137615A patent/BE807160A/xx unknown
- 1973-11-09 ES ES420410A patent/ES420410A1/es not_active Expired
- 1973-11-09 FR FR7339855A patent/FR2206550B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE807160A (fr) | 1974-05-09 |
| AT330259B (de) | 1976-06-25 |
| ES420410A1 (es) | 1976-04-16 |
| IT999743B (it) | 1976-03-10 |
| ATA939873A (de) | 1975-09-15 |
| JPS5420121B2 (xx) | 1979-07-20 |
| CA994909A (en) | 1976-08-10 |
| DE2353901A1 (de) | 1974-05-16 |
| FR2206550B1 (xx) | 1976-10-01 |
| US3876827A (en) | 1975-04-08 |
| NO141135C (no) | 1980-01-16 |
| GB1452329A (en) | 1976-10-13 |
| NL7215307A (xx) | 1974-05-14 |
| DK137906B (da) | 1978-05-29 |
| BR7308762D0 (pt) | 1974-09-05 |
| FR2206550A1 (xx) | 1974-06-07 |
| NO141135B (no) | 1979-10-08 |
| JPS50802A (xx) | 1975-01-07 |
| DK137906C (xx) | 1978-11-13 |
| DE2353901C2 (xx) | 1987-01-08 |
| ZA738174B (en) | 1975-05-28 |
| AU6231773A (en) | 1975-05-15 |
| CH580843A5 (xx) | 1976-10-15 |
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