DK490184D0 - Apparat til gengivelse af information fra en optisk aflaeselig registreringsbaerer - Google Patents
Apparat til gengivelse af information fra en optisk aflaeselig registreringsbaererInfo
- Publication number
- DK490184D0 DK490184D0 DK490184A DK490184A DK490184D0 DK 490184 D0 DK490184 D0 DK 490184D0 DK 490184 A DK490184 A DK 490184A DK 490184 A DK490184 A DK 490184A DK 490184 D0 DK490184 D0 DK 490184D0
- Authority
- DK
- Denmark
- Prior art keywords
- registrar
- rendering information
- optically
- record carrier
- released
- 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
- G11B7/095—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
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Radio Relay Systems (AREA)
- Packages (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Rotational Drive Of Disk (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8303560A NL8303560A (nl) | 1983-10-17 | 1983-10-17 | Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager. |
Publications (2)
Publication Number | Publication Date |
---|---|
DK490184D0 true DK490184D0 (da) | 1984-10-12 |
DK490184A DK490184A (da) | 1985-04-18 |
Family
ID=19842567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK490184A DK490184A (da) | 1983-10-17 | 1984-10-12 | Apparat til gengivelse af information fra en optisk aflaeselig registreringsbaerer |
Country Status (17)
Country | Link |
---|---|
US (1) | US4583209A (da) |
EP (1) | EP0138277B1 (da) |
JP (1) | JPS60107738A (da) |
KR (2) | KR930000990B1 (da) |
AT (1) | ATE41259T1 (da) |
AU (1) | AU572750B2 (da) |
BR (1) | BR8405179A (da) |
CA (1) | CA1224269A (da) |
CZ (1) | CZ789884A3 (da) |
DD (1) | DD232780A5 (da) |
DE (1) | DE3477080D1 (da) |
DK (1) | DK490184A (da) |
ES (1) | ES536758A0 (da) |
HK (1) | HK83191A (da) |
NL (1) | NL8303560A (da) |
SG (1) | SG90090G (da) |
YU (1) | YU177184A (da) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61104337A (ja) * | 1984-10-24 | 1986-05-22 | Hitachi Ltd | 光学的情報記録再生装置 |
US5258968A (en) * | 1986-12-11 | 1993-11-02 | Pioneer Electronic Corporation | Tracking error signal generating device for preventing offset of the generated tracking error signal |
JP2998807B2 (ja) * | 1990-07-19 | 2000-01-17 | パイオニア株式会社 | 光学式ディスクプレーヤ |
US5815485A (en) * | 1993-02-02 | 1998-09-29 | Matsushita Electric Industrial Co., Ltd. | Recording medium, a method for producing the same, a control method using the recording medium, and a recording/reproducing apparatus using the recording medium |
JPH09288832A (ja) * | 1996-04-22 | 1997-11-04 | Toshiba Corp | トラッキングエラー信号生成回路 |
US5956304A (en) * | 1997-08-15 | 1999-09-21 | Cirrus Logic, Inc. | Differential phase error detector using dual arm correlation for servo tracking in an optical disk storage device |
DE19852291A1 (de) * | 1998-11-13 | 2000-05-18 | Thomson Brandt Gmbh | Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger |
TW468159B (en) | 1999-07-08 | 2001-12-11 | Koninkl Philips Electronics Nv | Apparatus for and method of scanning an information carrier |
FR2800533B1 (fr) * | 1999-10-28 | 2002-04-05 | St Microelectronics Sa | Dispositif electronique de calcul de l'intervalle temporel entre des transitions successives d'un signal incident |
TWI271726B (en) * | 2003-02-14 | 2007-01-21 | Ind Tech Res Inst | Circuit for tracking error signal detection on an optical storage medium |
GB0309052D0 (en) * | 2003-04-22 | 2003-05-28 | Koninkl Philips Electronics Nv | Apparatus and related method for monitoring tracking of an optical disk |
US9917645B2 (en) * | 2016-05-25 | 2018-03-13 | Google Llc | Phase sensitive beam tracking |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4057833A (en) * | 1974-10-03 | 1977-11-08 | U.S. Philips Corporation | Centering detection system for an apparatus for playing optically readable record carriers |
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. |
US4074085A (en) * | 1976-03-31 | 1978-02-14 | Eli S. Jacobs | Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks |
JPS54124705A (en) * | 1978-03-20 | 1979-09-27 | Teac Corp | Optical reproducer |
US4408314A (en) * | 1980-02-29 | 1983-10-04 | Tokyo Shibaura Denki Kabushiki Kaisha | Record/playback track tracking servo |
JPS5753830A (en) * | 1980-09-12 | 1982-03-31 | Sony Corp | Tracking servo device for optical information signal reproducer |
JPS5774837A (en) * | 1980-10-25 | 1982-05-11 | Olympus Optical Co Ltd | Signal detection system of optical information reproducing device |
JPS57181433A (en) * | 1981-04-22 | 1982-11-08 | Olympus Optical Co Ltd | Tracking system for optical disc reproducer |
JPS5891538A (ja) * | 1981-11-25 | 1983-05-31 | Hitachi Ltd | 光デイスクトラツク追跡装置 |
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 |
AU575332B2 (en) * | 1983-07-29 | 1988-07-28 | Sony Corporation | Optical disk pick-up |
NL8303564A (nl) * | 1983-10-17 | 1985-05-17 | Philips Nv | Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager. |
-
1983
- 1983-10-17 NL NL8303560A patent/NL8303560A/nl not_active Application Discontinuation
-
1984
- 1984-01-13 US US06/570,564 patent/US4583209A/en not_active Expired - Lifetime
- 1984-10-10 AT AT84201457T patent/ATE41259T1/de not_active IP Right Cessation
- 1984-10-10 DE DE8484201457T patent/DE3477080D1/de not_active Expired
- 1984-10-10 EP EP84201457A patent/EP0138277B1/en not_active Expired
- 1984-10-11 CA CA000465189A patent/CA1224269A/en not_active Expired
- 1984-10-12 DK DK490184A patent/DK490184A/da not_active Application Discontinuation
- 1984-10-15 ES ES536758A patent/ES536758A0/es active Granted
- 1984-10-15 BR BR8405179A patent/BR8405179A/pt not_active IP Right Cessation
- 1984-10-16 YU YU01771/84A patent/YU177184A/xx unknown
- 1984-10-16 DD DD84268429A patent/DD232780A5/de unknown
- 1984-10-16 KR KR1019840006399A patent/KR930000990B1/ko not_active Application Discontinuation
- 1984-10-16 KR KR1019840006399A patent/KR850003027A/ko not_active IP Right Cessation
- 1984-10-17 AU AU34408/84A patent/AU572750B2/en not_active Ceased
- 1984-10-17 JP JP59216458A patent/JPS60107738A/ja active Granted
- 1984-10-17 CZ CS847898A patent/CZ789884A3/cs unknown
-
1990
- 1990-10-31 SG SG900/90A patent/SG90090G/en unknown
-
1991
- 1991-10-24 HK HK831/91A patent/HK83191A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0138277A2 (en) | 1985-04-24 |
NL8303560A (nl) | 1985-05-17 |
DD232780A5 (de) | 1986-02-05 |
EP0138277B1 (en) | 1989-03-08 |
AU3440884A (en) | 1985-04-26 |
ES8506921A1 (es) | 1985-08-01 |
AU572750B2 (en) | 1988-05-12 |
HK83191A (en) | 1991-11-01 |
CZ789884A3 (en) | 1993-11-17 |
SG90090G (en) | 1990-12-21 |
BR8405179A (pt) | 1985-08-27 |
DE3477080D1 (en) | 1989-04-13 |
JPH0513335B2 (da) | 1993-02-22 |
KR930000990B1 (ko) | 1993-02-12 |
KR860002967A (ko) | 1986-05-19 |
ES536758A0 (es) | 1985-08-01 |
YU177184A (en) | 1988-10-31 |
EP0138277A3 (en) | 1985-05-22 |
KR850003027A (ko) | 1985-05-28 |
US4583209A (en) | 1986-04-15 |
DK490184A (da) | 1985-04-18 |
JPS60107738A (ja) | 1985-06-13 |
CA1224269A (en) | 1987-07-14 |
ATE41259T1 (de) | 1989-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES468056A1 (es) | Aparato para leer un portador de registro reflectante a la radiacion. | |
SE8006065L (sv) | Uppteckningsberare innehallande information i en optiskt lesbar informationsstruktur samt apparat for avlesning av beraren | |
SE8100021L (sv) | Uppteckningsberare och anordning for dess tillverkning samt apparat for inskrivning och avlesning av densamma | |
SE8105989L (sv) | Apparat for avlesning och/eller uppteckning av en optiskt lesbar informationsstruktur | |
KR920701952A (ko) | 광학기록 및/또는 재생장치 | |
DK490184D0 (da) | Apparat til gengivelse af information fra en optisk aflaeselig registreringsbaerer | |
KR840004972A (ko) | 광전자 집속에러 검출장치 | |
KR840003509A (ko) | 디스크형 기록캐리어 판독장치 | |
ATE26035T1 (de) | Geraet zur wiedergabe von platten. | |
ATE43451T1 (de) | Geraet zum aufzeichnen und/oder wiedergeben von informationen in/von einer spur eines reflektierenden informationstraegers, welches geraet ein fokussierungssteuersystem mit verringerter empfindlichkeit der versetzung des strahlungsflecks enthaelt. | |
JPS5345506A (en) | Information detecting apparatus | |
DE3574644D1 (de) | Optische platte und verfahren zur erzeugung eines signals davon. | |
MY105948A (en) | Optical recording and/or reproducing apparatus. | |
MY106732A (en) | Optical recording and/or reproducing apparatus. | |
CA2013836A1 (en) | Optical recording and reproducing apparatus | |
KR890004313A (ko) | 정보 재생장치 및 그 제어 수단 | |
EP0160450A3 (en) | Phase reading fiber optic interferometer | |
GB1502256A (en) | Optical data storage systems | |
JPS533305A (en) | Optical reproduction device | |
GB1391541A (en) | Information carrier of disc form for sound and/or video signals | |
JPS56124132A (en) | Tracking control circuit for optical disc | |
JPS56148745A (en) | Optical recorder and reproducer | |
JPS54125005A (en) | Optical reading method | |
JPS5465503A (en) | Information recorder-reproducer | |
JPS5764336A (en) | Track signal recording system of optical disk device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHS | Application shelved for other reasons than non-payment |