MX147804A - Mejoras en aparato para explorar opticamente una portadora de grabacion - Google Patents
Mejoras en aparato para explorar opticamente una portadora de grabacionInfo
- Publication number
- MX147804A MX147804A MX182770A MX18277080A MX147804A MX 147804 A MX147804 A MX 147804A MX 182770 A MX182770 A MX 182770A MX 18277080 A MX18277080 A MX 18277080A MX 147804 A MX147804 A MX 147804A
- Authority
- MX
- Mexico
- Prior art keywords
- explore
- optically
- recording carrier
- recording
- carrier
- 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
- G11B7/094—Methods and circuits for servo offset compensation
-
- 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
- G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7904724A NL7904724A (nl) | 1979-06-18 | 1979-06-18 | Optische aftastinrichting met fokusseerstelsel. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX147804A true MX147804A (es) | 1983-01-12 |
Family
ID=19833368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX182770A MX147804A (es) | 1979-06-18 | 1980-06-13 | Mejoras en aparato para explorar opticamente una portadora de grabacion |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4357696A (es) |
| EP (1) | EP0021510B1 (es) |
| JP (1) | JPS567249A (es) |
| AR (1) | AR222079A1 (es) |
| AT (1) | ATE22629T1 (es) |
| AU (1) | AU537317B2 (es) |
| BR (1) | BR8003727A (es) |
| CA (1) | CA1145038A (es) |
| DE (1) | DE3071786D1 (es) |
| DK (1) | DK150764C (es) |
| ES (1) | ES8102395A1 (es) |
| MX (1) | MX147804A (es) |
| NL (1) | NL7904724A (es) |
| NZ (1) | NZ194050A (es) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181433A (en) * | 1981-04-22 | 1982-11-08 | Olympus Optical Co Ltd | Tracking system for optical disc reproducer |
| JPS57208642A (en) * | 1981-06-18 | 1982-12-21 | Toshiba Corp | Focus controller |
| US4418405A (en) * | 1981-06-29 | 1983-11-29 | Rca Corporation | Lens positioning controller for optical playback apparatus |
| JPS5877035A (ja) * | 1981-10-08 | 1983-05-10 | Mitsubishi Electric Corp | 自動焦点引込み装置 |
| JPS5885940A (ja) * | 1981-11-17 | 1983-05-23 | Hitachi Ltd | 光デイスクの自動焦点引込み方法 |
| NL8105347A (nl) * | 1981-11-26 | 1983-06-16 | Philips Nv | Inrichting voor het optisch aftasten van een schijfvormige registratiedrager. |
| JPS58150145A (ja) * | 1982-03-03 | 1983-09-06 | Toshiba Corp | 光学式デジタルデイスクプレ−ヤのトラツキング制御回路 |
| NL8300291A (nl) * | 1983-01-27 | 1984-08-16 | Philips Nv | Inrichting voor het uitlezen van een optische registratiedrager. |
| JP2548106B2 (ja) * | 1984-05-23 | 1996-10-30 | ソニー株式会社 | 光学式デイスクプレ−ヤのトラツキング・サ−ボコントロ−ル装置 |
| US4823330A (en) * | 1985-02-04 | 1989-04-18 | International Business Machines Corporation | Focus servo loop off-set compensation |
| US4899327A (en) * | 1985-02-04 | 1990-02-06 | International Business Machines Corporation | Focus servo loop correction |
| US4755036A (en) * | 1985-02-07 | 1988-07-05 | Brother Kogyo Kabushiki Kaisha | Apparatus for deflecting light beam |
| JPS61188748A (ja) * | 1985-02-16 | 1986-08-22 | Brother Ind Ltd | 光学ヘツド |
| JPH06101127B2 (ja) * | 1985-03-13 | 1994-12-12 | シャープ株式会社 | 光学ヘツド |
| JPH0736233B2 (ja) * | 1985-04-16 | 1995-04-19 | オリンパス光学工業株式会社 | 光学的情報記録再生装置 |
| JP2629170B2 (ja) * | 1985-06-08 | 1997-07-09 | ブラザー工業株式会社 | レーザプリンタ |
| JPS6232425A (ja) * | 1985-08-05 | 1987-02-12 | Brother Ind Ltd | 光偏向器 |
| JPS62237433A (ja) * | 1986-04-09 | 1987-10-17 | Brother Ind Ltd | 光偏向器 |
| JPS6370203A (ja) * | 1986-09-11 | 1988-03-30 | Brother Ind Ltd | 屈折率分布型光導波路レンズの製造方法 |
| JP2706237B2 (ja) * | 1986-09-20 | 1998-01-28 | ブラザー工業株式会社 | レーザプリンタ |
| JPH0777048B2 (ja) * | 1987-06-26 | 1995-08-16 | 三菱電機株式会社 | 記録媒体駆動装置 |
| US4998233A (en) * | 1988-02-12 | 1991-03-05 | International Business Machines Corporation | Acquiring focus in optical systems using a focus error signal and a laser drive signal |
| FR2632438A1 (fr) * | 1988-06-07 | 1989-12-08 | Philips Nv | Enregistreur magneto-optique a champ magnetique module |
| JP2642672B2 (ja) * | 1988-06-29 | 1997-08-20 | 富士通株式会社 | 光ディスク装置 |
| JPH04307429A (ja) * | 1991-04-04 | 1992-10-29 | Matsushita Electric Ind Co Ltd | フォーカス制御装置 |
| JP3769666B2 (ja) * | 2000-11-09 | 2006-04-26 | 日本電気株式会社 | 収差補正方法および光ディスク装置 |
| US8638437B2 (en) | 2008-02-14 | 2014-01-28 | J.A. Woollam Co., Inc. | System and method of aligning a sample |
| US8064055B2 (en) * | 2008-02-14 | 2011-11-22 | J.A. Woollam Co., Inc. | System and method of aligning a sample |
| US8983787B1 (en) | 2008-12-12 | 2015-03-17 | Martin M. Liphardt | Method of evaluating data quality |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3500162A (en) * | 1968-03-27 | 1970-03-10 | Sangamo Electric Co | System for providing dc values representative of phase difference |
| NL172202C (nl) * | 1971-03-11 | 1983-07-18 | Philips Nv | Inrichting voor het uitlezen van een plaatvormige informatiedrager bevattende in optische vorm gecodeerde beeld- en/of geluidssignalen. |
| NL160138C (nl) * | 1972-05-11 | 1979-09-17 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratie- drager. |
| AR205243A1 (es) * | 1972-05-11 | 1976-04-21 | Philips Nv | Aparato para la lectura de un portador de grabacion reflector plano |
| NL7211998A (es) * | 1972-09-02 | 1974-03-05 | ||
| FR2222666B1 (es) * | 1973-03-19 | 1976-11-05 | Thomson Brandt | |
| NL7313454A (nl) * | 1973-10-01 | 1975-04-03 | Philips Nv | Opto-elektronisch stelsel voor het bepalen van een king tussen de werkelijke positie van een stralings kterend vlak in een optisch afbeeldingsstelsel en d ste positie van dit vlak. |
| NL7402504A (nl) * | 1974-02-25 | 1975-08-27 | Philips Nv | Inrichting voor het langs optische weg uitlezen van een registratiedrager. |
| DE2453364C3 (de) * | 1973-11-09 | 1979-02-22 | Hitachi, Ltd., Tokio | Automatische Fokussiervorrichtung |
| FR2251876B1 (es) * | 1973-11-16 | 1977-09-23 | Thomson Brandt | |
| JPS5137248A (en) * | 1974-09-26 | 1976-03-29 | Victor Company Of Japan | Kogakubiimu no shotenchoseihoshiki |
| AR205839A1 (es) * | 1974-09-30 | 1976-06-07 | Mca Disco Vision | Servodisposicion para recorrer opticamente y leer simultaneamente un canal de informacion almacenado en un disco de video |
| US4057833A (en) * | 1974-10-03 | 1977-11-08 | U.S. Philips Corporation | Centering detection system for an apparatus for playing optically readable record carriers |
| NL7414776A (nl) * | 1974-11-13 | 1976-05-17 | Philips Nv | Inrichting voor het uitlezen van een registra- tiedrager met een optische informatiestruktuur. |
| NL177157C (nl) * | 1975-02-28 | 1985-08-01 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestruktuur. |
| NL182990C (nl) * | 1975-07-07 | 1988-06-16 | Philips Nv | Inrichting voor het uitlezen van een stralingsreflekterende registratiedrager. |
| NL7600843A (nl) * | 1976-01-28 | 1977-08-01 | Philips Nv | Inrichting voor het uitlezen van een registratie- drager waarop informatie, bijvoorbeeld en/of ge- luidsinformatie, is aangebracht. |
| NL7708200A (nl) * | 1976-07-28 | 1978-01-31 | Hitachi Ltd | Automatische scherpstellingsinrichting. |
| NL7608561A (nl) * | 1976-08-02 | 1978-02-06 | Philips Nv | Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur. |
| NL7703123A (nl) * | 1977-03-23 | 1978-09-26 | Philips Nv | Inrichting voor het uitlezen van een optische stralingsreflekterende registratiedrager. |
-
1979
- 1979-06-18 NL NL7904724A patent/NL7904724A/nl not_active Application Discontinuation
- 1979-10-17 US US06/085,459 patent/US4357696A/en not_active Expired - Lifetime
-
1980
- 1980-05-14 AR AR281047A patent/AR222079A1/es active
- 1980-06-11 CA CA000353809A patent/CA1145038A/en not_active Expired
- 1980-06-13 DE DE8080200550T patent/DE3071786D1/de not_active Expired
- 1980-06-13 DK DK254880A patent/DK150764C/da not_active IP Right Cessation
- 1980-06-13 MX MX182770A patent/MX147804A/es unknown
- 1980-06-13 AT AT80200550T patent/ATE22629T1/de not_active IP Right Cessation
- 1980-06-13 EP EP80200550A patent/EP0021510B1/en not_active Expired
- 1980-06-16 NZ NZ194050A patent/NZ194050A/xx unknown
- 1980-06-16 ES ES492463A patent/ES8102395A1/es not_active Expired
- 1980-06-16 BR BR8003727A patent/BR8003727A/pt unknown
- 1980-06-17 AU AU59332/80A patent/AU537317B2/en not_active Ceased
- 1980-06-18 JP JP8156580A patent/JPS567249A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DK150764B (da) | 1987-06-15 |
| AR222079A1 (es) | 1981-04-15 |
| DK150764C (da) | 1988-01-18 |
| NZ194050A (en) | 1983-07-29 |
| NL7904724A (nl) | 1980-12-22 |
| CA1145038A (en) | 1983-04-19 |
| AU537317B2 (en) | 1984-06-14 |
| DK254880A (da) | 1980-12-19 |
| ES492463A0 (es) | 1980-12-16 |
| BR8003727A (pt) | 1981-01-13 |
| DE3071786D1 (en) | 1986-11-06 |
| AU5933280A (en) | 1981-01-08 |
| EP0021510B1 (en) | 1986-10-01 |
| ATE22629T1 (de) | 1986-10-15 |
| ES8102395A1 (es) | 1980-12-16 |
| US4357696A (en) | 1982-11-02 |
| JPS567249A (en) | 1981-01-24 |
| EP0021510A1 (en) | 1981-01-07 |
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