ES517633A0 - Un aparato para explorar opticamente un portador de registro en forma de disco. - Google Patents
Un aparato para explorar opticamente un portador de registro en forma de disco.Info
- Publication number
- ES517633A0 ES517633A0 ES517633A ES517633A ES517633A0 ES 517633 A0 ES517633 A0 ES 517633A0 ES 517633 A ES517633 A ES 517633A ES 517633 A ES517633 A ES 517633A ES 517633 A0 ES517633 A0 ES 517633A0
- Authority
- ES
- Spain
- Prior art keywords
- disc
- record carrier
- optically scanning
- optically
- scanning
- 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
- 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 (1)
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. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES517633A0 true ES517633A0 (es) | 1983-08-16 |
ES8308463A1 ES8308463A1 (es) | 1983-08-16 |
Family
ID=19838451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES517633A Expired ES8308463A1 (es) | 1981-11-26 | 1982-11-24 | Un aparato para explorar opticamente un portador de registro en forma de disco. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4471477A (es) |
JP (1) | JPS58100241A (es) |
AU (1) | AU551544B2 (es) |
BE (1) | BE895140A (es) |
CA (1) | CA1193724A (es) |
DE (1) | DE3242785A1 (es) |
DK (1) | DK159695C (es) |
ES (1) | ES8308463A1 (es) |
FR (1) | FR2517154A1 (es) |
GB (1) | GB2110434B (es) |
HK (1) | HK3086A (es) |
IT (1) | IT1153661B (es) |
NL (1) | NL8105347A (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8105346A (es) * | 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 |
KR20060115356A (ko) * | 2003-10-06 | 2006-11-08 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광학 디스크 드라이브와 렌즈의 위치를 제어하는 방법 |
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. |
DE3038650C2 (de) * | 1979-10-12 | 1983-05-19 | Universal Pioneer Corp., Tokyo | Vorrichtung zum Wiedergeben der von einer Videoplatte gelesenen Information |
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 |
-
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 GB GB08233237A patent/GB2110434B/en not_active Expired
- 1982-11-22 JP JP57205345A patent/JPS58100241A/ja active Granted
- 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
- 1982-11-23 IT IT24387/82A patent/IT1153661B/it active
- 1982-11-24 ES ES517633A patent/ES8308463A1/es not_active Expired
- 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 |
---|---|
DK159695B (da) | 1990-11-19 |
AU551544B2 (en) | 1986-05-01 |
JPH0328738B2 (es) | 1991-04-22 |
FR2517154A1 (fr) | 1983-05-27 |
NL8105347A (nl) | 1983-06-16 |
HK3086A (en) | 1986-01-24 |
BE895140A (fr) | 1983-05-25 |
DE3242785C2 (es) | 1991-06-20 |
DK522082A (da) | 1983-05-27 |
US4471477A (en) | 1984-09-11 |
IT8224387A0 (it) | 1982-11-23 |
JPS58100241A (ja) | 1983-06-14 |
GB2110434A (en) | 1983-06-15 |
GB2110434B (en) | 1985-05-01 |
DK159695C (da) | 1991-04-15 |
IT1153661B (it) | 1987-01-14 |
CA1193724A (en) | 1985-09-17 |
IT8224387A1 (it) | 1984-05-23 |
DE3242785A1 (de) | 1983-06-01 |
ES8308463A1 (es) | 1983-08-16 |
AU9080182A (en) | 1983-06-02 |
FR2517154B1 (es) | 1984-12-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19980202 |