IT8125119A0 - Apparato per la registrazione di dati in un supporto di registrazione a disco, leggibile otticamente. - Google Patents
Apparato per la registrazione di dati in un supporto di registrazione a disco, leggibile otticamente.Info
- Publication number
- IT8125119A0 IT8125119A0 IT8125119A IT2511981A IT8125119A0 IT 8125119 A0 IT8125119 A0 IT 8125119A0 IT 8125119 A IT8125119 A IT 8125119A IT 2511981 A IT2511981 A IT 2511981A IT 8125119 A0 IT8125119 A0 IT 8125119A0
- Authority
- IT
- Italy
- Prior art keywords
- optically readable
- recording
- support
- recording data
- disc
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
- G11B7/24082—Meandering
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
-
- 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
- G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8006306A NL8006306A (nl) | 1980-11-19 | 1980-11-19 | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager en inrichting voor het optekenen van datainformatie in zo'n registratiedrager. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8125119A0 true IT8125119A0 (it) | 1981-11-16 |
IT1194113B IT1194113B (it) | 1988-09-14 |
Family
ID=19836204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25119/81A IT1194113B (it) | 1980-11-19 | 1981-11-16 | Apparato per la registrazione di dati in un supporto di registrazione a disco,leggibile otticamente |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS57113426A (it) |
DE (1) | DE3145128A1 (it) |
ES (1) | ES8301044A1 (it) |
FR (1) | FR2494476A1 (it) |
GB (1) | GB2087628B (it) |
IT (1) | IT1194113B (it) |
NL (1) | NL8006306A (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8103117A (nl) * | 1981-06-29 | 1983-01-17 | Philips Nv | Inrichting voor het beschrijven en/of uitlezen van een registratiedrager. |
US4443870A (en) * | 1981-10-15 | 1984-04-17 | Burroughs Corporation | Optical memory system providing track following |
JPS58158038A (ja) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | 光デイスク装置 |
JPS59227039A (ja) * | 1983-06-07 | 1984-12-20 | Matsushita Electric Ind Co Ltd | 記録再生用デイスク原盤作成装置 |
JPS6185653A (ja) * | 1984-10-02 | 1986-05-01 | Sharp Corp | 光磁気メモリ素子 |
JPS63144454A (ja) * | 1986-12-08 | 1988-06-16 | Alps Electric Co Ltd | 情報記録デイスク |
JP3264385B2 (ja) | 1992-09-09 | 2002-03-11 | ソニー株式会社 | 光デイスク記録再生装置 |
US6046968A (en) * | 1997-07-24 | 2000-04-04 | Hewlett-Packard Company | Re-writable optical disk having reference clock information permanently formed on the disk |
US7701836B2 (en) | 2001-11-27 | 2010-04-20 | Hewlett-Packard Development Company, L.P. | Re-writable optical disk having reference clock information permanently formed on the disk |
KR100416588B1 (ko) * | 2001-01-04 | 2004-02-05 | 삼성전자주식회사 | 워블 결함 검출 장치 및 방법 |
CN1809882A (zh) * | 2003-06-19 | 2006-07-26 | 皇家飞利浦电子股份有限公司 | 减小数据对推挽串扰的设备和方法 |
-
1980
- 1980-11-19 NL NL8006306A patent/NL8006306A/nl not_active Application Discontinuation
-
1981
- 1981-11-13 DE DE19813145128 patent/DE3145128A1/de not_active Withdrawn
- 1981-11-16 IT IT25119/81A patent/IT1194113B/it active
- 1981-11-16 GB GB8134435A patent/GB2087628B/en not_active Expired
- 1981-11-16 JP JP56182417A patent/JPS57113426A/ja active Pending
- 1981-11-17 ES ES507205A patent/ES8301044A1/es not_active Expired
- 1981-11-18 FR FR8121561A patent/FR2494476A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3145128A1 (de) | 1982-06-24 |
ES507205A0 (es) | 1982-11-01 |
IT1194113B (it) | 1988-09-14 |
ES8301044A1 (es) | 1982-11-01 |
NL8006306A (nl) | 1982-06-16 |
FR2494476A1 (fr) | 1982-05-21 |
JPS57113426A (en) | 1982-07-14 |
GB2087628B (en) | 1984-10-10 |
GB2087628A (en) | 1982-05-26 |
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