DE2353901A1 - Vorrichtung zum auslesen eines scheibenfoermigen aufzeichnungstraegers - Google Patents
Vorrichtung zum auslesen eines scheibenfoermigen aufzeichnungstraegersInfo
- Publication number
- DE2353901A1 DE2353901A1 DE19732353901 DE2353901A DE2353901A1 DE 2353901 A1 DE2353901 A1 DE 2353901A1 DE 19732353901 DE19732353901 DE 19732353901 DE 2353901 A DE2353901 A DE 2353901A DE 2353901 A1 DE2353901 A1 DE 2353901A1
- Authority
- DE
- Germany
- Prior art keywords
- control signal
- recording medium
- signal
- detector
- scanning point
- 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
- 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)
- Facsimile Scanning Arrangements (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7215307A NL7215307A (US20100056889A1-20100304-C00004.png) | 1972-11-11 | 1972-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2353901A1 true DE2353901A1 (de) | 1974-05-16 |
| DE2353901C2 DE2353901C2 (de) | 1987-01-08 |
Family
ID=19817347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2353901A Expired DE2353901C2 (de) | 1972-11-11 | 1973-10-27 | Vorrichtung zum Auslesen eines scheibenförmigen Aufzeichnungsträgers |
Country Status (17)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2819222A1 (de) * | 1976-11-05 | 1979-11-15 | Graham Magnetics Inc | Verfahren und einrichtung zum ausgleichen von spurexzentrizitaeten an einem sich drehenden aufzeichnungstraeger |
| FR2540998A1 (fr) * | 1983-02-15 | 1984-08-17 | Gen Electric | Stabilisateur de faisceaux lumineux et procede de stabilisation |
| US5555539A (en) * | 1992-01-30 | 1996-09-10 | Hitachi, Ltd | Multi-beam split-type optical head for use in optical disk apparatus |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4282598A (en) * | 1972-10-24 | 1981-08-04 | Discovision Associates | Video disc read back scanner |
| US4703467A (en) * | 1972-10-24 | 1987-10-27 | Discovision Associates | Video disc read back scanner |
| JPS49106305A (US20100056889A1-20100304-C00004.png) * | 1973-02-08 | 1974-10-08 | ||
| FR2251876B1 (US20100056889A1-20100304-C00004.png) * | 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 (US20100056889A1-20100304-C00004.png) * | 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. |
| 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 |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1499774A1 (de) * | 1962-08-16 | 1970-05-14 | Minnesota Mining & Mfg | UEbertragungseinrichtung |
| DE1499773A1 (de) * | 1962-05-07 | 1970-08-20 | Minnesota Mining & Mfg | Einrichtung zum Aufzeichnen einer Bild- und Ton-Information auf einem scheibenfoermigen Speichermittel |
-
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 DE2353901A patent/DE2353901C2/de not_active Expired
- 1973-10-29 US US410774A patent/US3876827A/en not_active Expired - Lifetime
- 1973-11-08 AT AT939873A patent/AT330259B/de not_active IP Right Cessation
- 1973-11-08 DK DK604873AA patent/DK137906B/da unknown
- 1973-11-08 BR BR8762/73A patent/BR7308762D0/pt unknown
- 1973-11-08 IT IT70275/73A patent/IT999743B/it active
- 1973-11-08 SE SE7315153A patent/SE395783B/xx unknown
- 1973-11-08 GB GB5184973A patent/GB1452329A/en not_active Expired
- 1973-11-08 NO NO4305/73A patent/NO141135C/no unknown
- 1973-11-08 JP JP12502373A patent/JPS5420121B2/ja 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
- 1973-11-09 ES ES420410A patent/ES420410A1/es not_active Expired
- 1973-11-09 FR FR7339855A patent/FR2206550B1/fr not_active Expired
- 1973-11-09 BE BE137615A patent/BE807160A/xx unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1499773A1 (de) * | 1962-05-07 | 1970-08-20 | Minnesota Mining & Mfg | Einrichtung zum Aufzeichnen einer Bild- und Ton-Information auf einem scheibenfoermigen Speichermittel |
| DE1499774A1 (de) * | 1962-08-16 | 1970-05-14 | Minnesota Mining & Mfg | UEbertragungseinrichtung |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2819222A1 (de) * | 1976-11-05 | 1979-11-15 | Graham Magnetics Inc | Verfahren und einrichtung zum ausgleichen von spurexzentrizitaeten an einem sich drehenden aufzeichnungstraeger |
| FR2540998A1 (fr) * | 1983-02-15 | 1984-08-17 | Gen Electric | Stabilisateur de faisceaux lumineux et procede de stabilisation |
| US5555539A (en) * | 1992-01-30 | 1996-09-10 | Hitachi, Ltd | Multi-beam split-type optical head for use in optical disk apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| BE807160A (fr) | 1974-05-09 |
| DE2353901C2 (de) | 1987-01-08 |
| IT999743B (it) | 1976-03-10 |
| NO141135B (no) | 1979-10-08 |
| ZA738174B (en) | 1975-05-28 |
| FR2206550A1 (US20100056889A1-20100304-C00004.png) | 1974-06-07 |
| JPS5420121B2 (US20100056889A1-20100304-C00004.png) | 1979-07-20 |
| NL7215307A (US20100056889A1-20100304-C00004.png) | 1974-05-14 |
| CA994909A (en) | 1976-08-10 |
| ATA939873A (de) | 1975-09-15 |
| BR7308762D0 (pt) | 1974-09-05 |
| DK137906C (US20100056889A1-20100304-C00004.png) | 1978-11-13 |
| CH580843A5 (US20100056889A1-20100304-C00004.png) | 1976-10-15 |
| ES420410A1 (es) | 1976-04-16 |
| AT330259B (de) | 1976-06-25 |
| SE395783B (sv) | 1977-08-22 |
| DK137906B (da) | 1978-05-29 |
| FR2206550B1 (US20100056889A1-20100304-C00004.png) | 1976-10-01 |
| US3876827A (en) | 1975-04-08 |
| AU6231773A (en) | 1975-05-15 |
| GB1452329A (en) | 1976-10-13 |
| JPS50802A (US20100056889A1-20100304-C00004.png) | 1975-01-07 |
| NO141135C (no) | 1980-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8128 | New person/name/address of the agent |
Representative=s name: KUPFERMANN, F., DIPL.-ING., PAT.-ANW., 2000 HAMBUR |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |