DK159695C - Apparat til optisk skandering af en pladeformet registreringsbaerer - Google Patents
Apparat til optisk skandering af en pladeformet registreringsbaererInfo
- Publication number
- DK159695C DK159695C DK522082A DK522082A DK159695C DK 159695 C DK159695 C DK 159695C DK 522082 A DK522082 A DK 522082A DK 522082 A DK522082 A DK 522082A DK 159695 C DK159695 C DK 159695C
- Authority
- DK
- Denmark
- Prior art keywords
- plateform
- recorder
- optical scanning
- scanning
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G11B7/0901—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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8105347A NL8105347A (nl) | 1981-11-26 | 1981-11-26 | Inrichting voor het optisch aftasten van een schijfvormige registratiedrager. |
| NL8105347 | 1981-11-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK522082A DK522082A (da) | 1983-05-27 |
| DK159695B DK159695B (da) | 1990-11-19 |
| DK159695C true DK159695C (da) | 1991-04-15 |
Family
ID=19838451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK522082A DK159695C (da) | 1981-11-26 | 1982-11-23 | Apparat til optisk skandering af en pladeformet registreringsbaerer |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4471477A (it) |
| JP (1) | JPS58100241A (it) |
| AU (1) | AU551544B2 (it) |
| BE (1) | BE895140A (it) |
| CA (1) | CA1193724A (it) |
| DE (1) | DE3242785A1 (it) |
| DK (1) | DK159695C (it) |
| ES (1) | ES517633A0 (it) |
| FR (1) | FR2517154A1 (it) |
| GB (1) | GB2110434B (it) |
| HK (1) | HK3086A (it) |
| IT (1) | IT1153661B (it) |
| NL (1) | NL8105347A (it) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8105346A (it) * | 1981-11-26 | 1983-06-16 | ||
| DE3347879C2 (de) * | 1983-07-09 | 1986-07-31 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Lesevorrichtung zum optischen Abtasten von auf einem beweglichen plattenförmigen Träger aufgezeichneten Informationen |
| DE3324861C2 (de) | 1983-07-09 | 1986-02-13 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Lesevorrichtung zum optischen Abtasten von auf einem bewegten plattenförmigen Träger aufgezeichneten Informationen |
| JP2565485B2 (ja) * | 1984-09-14 | 1996-12-18 | オリンパス光学工業株式会社 | 光学的記録再生装置 |
| DE3500671A1 (de) * | 1985-01-11 | 1986-07-17 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Lesevorrichtung zum optischen abtasten von auf einem beweglichen plattenfoermigen traeger aufgezeichneten informationen |
| JPH064414Y2 (ja) * | 1986-03-10 | 1994-02-02 | パイオニア株式会社 | トラツキング制御装置 |
| JP2681933B2 (ja) * | 1987-07-24 | 1997-11-26 | 松下電器産業株式会社 | 記録再生装置 |
| DE3732941A1 (de) * | 1987-09-30 | 1989-04-20 | Thomson Brandt Gmbh | Geraet zur wiedergabe von daten |
| US4967404A (en) * | 1988-12-05 | 1990-10-30 | Eastman Kodak Company | Focus/tracking servo automatic gain control for optical recording |
| NL9200808A (nl) * | 1992-05-06 | 1993-12-01 | Philips Electronics Nv | Optische schrijf- en/of leesinrichting. |
| JP3092756B2 (ja) * | 1992-07-24 | 2000-09-25 | ソニー株式会社 | 光デイスク装置 |
| US7522480B2 (en) | 2001-01-25 | 2009-04-21 | Dphi Acquisitions, Inc. | Digital tracking servo system with multi-track seek with an acceleration clamp |
| US20070121439A1 (en) * | 2003-10-06 | 2007-05-31 | Koninklijke Philips Electronics N.V. | Optical disc drive and method for controlling the position of a lens |
| TWI292905B (en) * | 2005-06-20 | 2008-01-21 | Mediatek Inc | Control circuit of optical storage device and method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7315419A (nl) * | 1973-11-10 | 1975-05-13 | Philips Nv | Inrichting voor het uitlezen van een schijfvor- mige registratiedrager. |
| US3932700A (en) * | 1974-02-04 | 1976-01-13 | Zenith Radio Corporation | Focus tracking registration for optical reproducing systems |
| 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 |
| NL182258C (nl) * | 1976-01-28 | 1988-02-01 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur. |
| DE2724917A1 (de) * | 1977-06-02 | 1978-12-14 | Bosch Gmbh Robert | Einrichtung und schaltungsanordnung zur spurabtastung einer videoplatte |
| US4337534A (en) * | 1979-04-18 | 1982-06-29 | Discovision Associates | Solid state electro-optical track follower array |
| NL7904724A (nl) * | 1979-06-18 | 1980-12-22 | Philips Nv | Optische aftastinrichting met fokusseerstelsel. |
| JPS6048809B2 (ja) * | 1979-10-16 | 1985-10-29 | パイオニアビデオ株式会社 | 情報読取装置におけるトラッキングサ−ボ引込装置 |
| DE3038650C2 (de) * | 1979-10-12 | 1983-05-19 | Universal Pioneer Corp., Tokyo | Vorrichtung zum Wiedergeben der von einer Videoplatte gelesenen Information |
-
1981
- 1981-11-26 NL NL8105347A patent/NL8105347A/nl not_active Application Discontinuation
-
1982
- 1982-02-19 US US06/350,448 patent/US4471477A/en not_active Expired - Lifetime
- 1982-11-19 DE DE19823242785 patent/DE3242785A1/de active Granted
- 1982-11-22 JP JP57205345A patent/JPS58100241A/ja active Granted
- 1982-11-22 GB GB08233237A patent/GB2110434B/en not_active Expired
- 1982-11-23 IT IT24387/82A patent/IT1153661B/it active
- 1982-11-23 AU AU90801/82A patent/AU551544B2/en not_active Ceased
- 1982-11-23 DK DK522082A patent/DK159695C/da not_active IP Right Cessation
- 1982-11-24 ES ES517633A patent/ES517633A0/es active Granted
- 1982-11-25 BE BE0/209568A patent/BE895140A/fr not_active IP Right Cessation
- 1982-11-25 CA CA000416423A patent/CA1193724A/en not_active Expired
- 1982-11-26 FR FR8219878A patent/FR2517154A1/fr active Granted
-
1986
- 1986-01-16 HK HK30/86A patent/HK3086A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT8224387A1 (it) | 1984-05-23 |
| ES8308463A1 (es) | 1983-08-16 |
| FR2517154B1 (it) | 1984-12-28 |
| DE3242785A1 (de) | 1983-06-01 |
| JPH0328738B2 (it) | 1991-04-22 |
| IT8224387A0 (it) | 1982-11-23 |
| NL8105347A (nl) | 1983-06-16 |
| CA1193724A (en) | 1985-09-17 |
| AU9080182A (en) | 1983-06-02 |
| US4471477A (en) | 1984-09-11 |
| BE895140A (fr) | 1983-05-25 |
| DK159695B (da) | 1990-11-19 |
| AU551544B2 (en) | 1986-05-01 |
| GB2110434A (en) | 1983-06-15 |
| DE3242785C2 (it) | 1991-06-20 |
| ES517633A0 (es) | 1983-08-16 |
| GB2110434B (en) | 1985-05-01 |
| JPS58100241A (ja) | 1983-06-14 |
| DK522082A (da) | 1983-05-27 |
| FR2517154A1 (fr) | 1983-05-27 |
| IT1153661B (it) | 1987-01-14 |
| HK3086A (en) | 1986-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |