BE895655A - Dispositif de lecture d'un support d'information en forme de disque - Google Patents

Dispositif de lecture d'un support d'information en forme de disque

Info

Publication number: BE895655A
Authority: BE; Belgium
Prior art keywords: disc; reading; information medium; medium; information
Prior art date: 1982-01-21

Application number

BE0/209936A

Other languages

English (en)

Original Assignee

Philips Nv

Priority date (The priority date 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 date listed.)

1982-01-21

Filing date

1983-01-19

Publication date

1983-07-19

1983-01-19 Application filed by Philips Nv filed Critical Philips Nv

1983-07-19 Publication of BE895655A publication Critical patent/BE895655A/fr

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
- 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
- G11B7/0903—Multi-beam tracking systems
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor

Landscapes

Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Optical Recording Or Reproduction (AREA)

BE0/209936A 1982-01-21 1983-01-19 Dispositif de lecture d'un support d'information en forme de disque BE895655A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8200208A NL8200208A (nl)	1982-01-21	1982-01-21	Inrichting voor het uitlezen van een schijfvormige registratiedrager.

Publications (1)

Publication Number	Publication Date
BE895655A true BE895655A (fr)	1983-07-19

Family

ID=19839113

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE0/209936A BE895655A (fr)	1982-01-21	1983-01-19	Dispositif de lecture d'un support d'information en forme de disque

Country Status (13)

Country	Link
US (1)	US4446545A (fr)
JP (1)	JPS58125243A (fr)
KR (1)	KR880001174B1 (fr)
AU (1)	AU552691B2 (fr)
BE (1)	BE895655A (fr)
CA (1)	CA1194229A (fr)
DE (1)	DE3301702A1 (fr)
ES (1)	ES8400833A1 (fr)
FR (1)	FR2520145A1 (fr)
GB (1)	GB2113872B (fr)
IT (1)	IT1167553B (fr)
NL (1)	NL8200208A (fr)
SG (1)	SG97085G (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0095766B1 (fr) *	1982-05-31	1986-10-22	Hitachi, Ltd.	Servo-circuit pour appareil de reproduction de signaux
US4805162A (en) *	1982-11-01	1989-02-14	Storage Technology Partners Ii	Fine and coarse servo system for access and tracking on an optical disk
EP0145756A1 (fr) *	1983-05-27	1985-06-26	Storage Technology Partners Ii	Production d'un signal d'erreur de positionnement approximatif dans un systeme de stockage par disque optique utilisant des pistes d'asservissement approximatif
EP0145755A1 (fr) *	1983-06-13	1985-06-26	Storage Technology Partners Ii	Production d'un signal d'erreur de position approximative a modulation d'amplitude dans un systeme de stockage a disque optique utilisant des pistes d'asservissement approximatif
NL8303564A (nl) *	1983-10-17	1985-05-17	Philips Nv	Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager.
JPS6070923U (ja) *	1983-10-19	1985-05-20	パイオニア株式会社	焦点誤差検出装置
JPS6070924U (ja) *	1983-10-19	1985-05-20	パイオニア株式会社	焦点誤差検出装置
DE3480619D1 (de) *	1983-11-09	1990-01-04	Sharp Kk	Servosystem zum positionieren eines optischen strahls.
JPS60119641A (ja) *	1983-12-01	1985-06-27	Pioneer Electronic Corp	トラッキングエラ−信号発生装置
NL8400674A (nl) *	1984-03-02	1985-10-01	Philips Nv	Inrichting voor het inschrijven en/of uitlezen van informatie in een spoor van een reflekterende registratiedrager, met een fokusregeling met verminderde spot offsetgevoeligheid.
NL8500059A (nl) *	1985-01-11	1986-08-01	Philips Nv	Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager.
JPH06101127B2 (ja) *	1985-03-13	1994-12-12	シャープ株式会社	光学ヘツド
JP2888484B2 (ja) *	1985-07-30	1999-05-10	オプテイカルストレツジインターナシヨナル−ユーエス	記録キャリア及び光データ読み書き装置
US4879708A (en) *	1985-07-30	1989-11-07	Laser Magnetic Storage International Company	Optical disk tracking and seeking systems specific track formats using wobbled pits
US4879707A (en) *	1985-07-30	1989-11-07	Laser Magnetic Storage International Company	Optical disk tracking and seeking systems specific track formats using discontinuities
US4959823A (en) *	1985-07-30	1990-09-25	Laser Magnetic Storage International Company	Tracking and seeking system for use with an optical record carrier having a wobbled track format
JP2786181B2 (ja) *	1985-12-21	1998-08-13	ソニー株式会社	光ディスク装置
US5004901A (en) *	1987-06-04	1991-04-02	Mitsubishi Denki Kabushiki Kaisha	Current mirror amplifier for use in an optical data medium driving apparatus and servo-circuit
USRE34769E (en) *	1986-01-16	1994-11-01	Mitsubishi Denki Kabushiki Kaisha	Current mirror amplifier for use in an optical data medium driving apparatus and servo-circuit
EP0234594A3 (en) *	1986-02-28	1989-09-06	Kabushiki Kaisha Toshiba	System capable of retrieving information from an optical memory
US4864552A (en) *	1986-08-29	1989-09-05	Laser Magnetic Storage International Company	Driving signal for coarse servo employing sampled offset signal
NL8602911A (nl) *	1986-11-17	1988-06-16	Philips Nv	Inrichting voor het inschrijven en/of uitlezen van informatie in respektievelijk uit een schijfvormige registratiedrager.
JP2602019B2 (ja) *	1987-03-12	1997-04-23	富士通株式会社	光デイスク装置
US4785167A (en) *	1987-08-26	1988-11-15	International Business Machines Corporation	Photodetector having cascaded photoelements
US5031166A (en) *	1988-01-25	1991-07-09	Laser Magnetic Storage International Company	Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor
TW221074B (fr) *	1991-05-10	1994-02-11	Philips Nv
JP3186221B2 (ja) *	1992-06-02	2001-07-11	パイオニア株式会社	光学式記録情報再生装置
KR100312104B1 (ko) *	1997-11-28	2002-04-06	윤종용	밸런스게인튜닝장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE29963E (en) *	1972-03-29	1979-04-10	U.S. Philips Corporation	Servo system for reading from a disc-shaped record carrier containing signals coded in optical form
US4005260A (en) *	1972-11-11	1977-01-25	U.S. Philips Corporation	Device for reading a disk-shaped record carrier with time base correction
US4037252A (en) *	1973-11-10	1977-07-19	U.S. Philips Corporation	Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking
NL7315419A (nl) *	1973-11-10	1975-05-13	Philips Nv	Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.
NL177780C (nl) *	1974-02-28	1985-11-18	Philips Nv	Inrichting voor het uitlezen van een op een draaitafel te plaatsen schijfvormige registratiedrager.
US4001494A (en) *	1974-11-01	1977-01-04	Zenith Radio Corporation	Photoreceptor matrix for optical video playback system
JPS52134704A (en) *	1976-05-06	1977-11-11	Teac Co	Optical recorder/reproducer unit
GB1532345A (en) *	1976-06-25	1978-11-15	Hitachi Ltd	Information play-back apparatus
JPS5320904A (en) *	1976-08-11	1978-02-25	Toshiba Corp	Optical information reader
NL7810386A (nl) *	1978-10-17	1980-04-21	Philips Nv	Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager.
NL7812111A (nl) *	1978-12-13	1980-06-17	Philips Nv	Inrichting voor het optisch uitlezen van een schijf- vormige registratiedrager, in het bijzonder het snel opzoeken van een gewenst programmagedeelte.
NL8001974A (nl) *	1980-04-03	1981-11-02	Philips Nv	Spoorvolginrichting.

1982
- 1982-01-21 NL NL8200208A patent/NL8200208A/nl not_active Application Discontinuation
- 1982-04-05 US US06/365,716 patent/US4446545A/en not_active Expired - Fee Related
1983
- 1983-01-17 GB GB08301154A patent/GB2113872B/en not_active Expired
- 1983-01-18 IT IT19161/83A patent/IT1167553B/it active
- 1983-01-18 KR KR1019830000168A patent/KR880001174B1/ko not_active IP Right Cessation
- 1983-01-19 BE BE0/209936A patent/BE895655A/fr not_active IP Right Cessation
- 1983-01-19 ES ES519100A patent/ES8400833A1/es not_active Expired
- 1983-01-20 DE DE19833301702 patent/DE3301702A1/de active Granted
- 1983-01-20 CA CA000419912A patent/CA1194229A/fr not_active Expired
- 1983-01-20 JP JP58006767A patent/JPS58125243A/ja active Granted
- 1983-01-20 AU AU10635/83A patent/AU552691B2/en not_active Ceased
- 1983-01-21 FR FR8300906A patent/FR2520145A1/fr active Granted
1985
- 1985-12-20 SG SG970/85A patent/SG97085G/en unknown

Also Published As

Publication number	Publication date
KR840003509A (ko)	1984-09-08
AU1063583A (en)	1983-07-28
FR2520145A1 (fr)	1983-07-22
NL8200208A (nl)	1983-08-16
GB2113872B (en)	1985-09-25
JPH0332143B2 (fr)	1991-05-10
IT8319161A0 (it)	1983-01-18
KR880001174B1 (ko)	1988-07-02
US4446545A (en)	1984-05-01
ES519100A0 (es)	1983-11-01
AU552691B2 (en)	1986-06-12
FR2520145B1 (fr)	1984-12-28
JPS58125243A (ja)	1983-07-26
SG97085G (en)	1986-07-25
GB8301154D0 (en)	1983-02-16
GB2113872A (en)	1983-08-10
ES8400833A1 (es)	1983-11-01
IT1167553B (it)	1987-05-13
DE3301702C2 (fr)	1991-05-08
CA1194229A (fr)	1985-09-24
DE3301702A1 (de)	1983-07-28

Publication	Publication Date	Title
BE895655A (fr)	1983-07-19	Dispositif de lecture d'un support d'information en forme de disque
BE878327A (fr)	1980-02-20	Dispositif pour la lecture d'un porteur d'information en forme de disque
FR2321808A1 (fr)	1977-03-18	Dispositif pour la lecture d'un porteur d'information en forme de disque
FR2542487B1 (fr)	1985-07-12	Dispositif de lecture d'un support d'information en forme de disque a codage optique
FR2535097B1 (fr)	1989-04-07	Dispositif d'ecriture d'informations sur un support magnetique
FR2385172B1 (fr)	1985-07-12	Dispositif pour la lecture d'un porteur d'enregistrement reflechissant le rayonnement
FR2509891B1 (fr)	1986-12-05	Dispositif optique d'enregistrement-lecture sur support d'information pregrave
FR2540272B1 (fr)	1988-06-10	Dispositif de lecture d'un support d'information optique
FR2475776B1 (fr)	1987-09-04	Appareil de lecture de support d'enregistrement en forme de disque
AT379699B (de)	1986-02-10	Informations-aufzeichnungsplatte
FR2536197B1 (fr)	1986-04-18	Support d'enregistrement d'informations
FR2505074B1 (fr)	1990-06-15	Dispositif a disque d'enregistrement de donnees
FR2529004B1 (fr)	1987-06-19	Dispositif d'affichage d'adresses sur un support d'enregistrement
FR2506982B1 (fr)	1985-10-31	Dispositif pour l'enregistrement et/ou la lecture d'un support d'information
FR2345769A1 (fr)	1977-10-21	Dispositif d'enregistrement, de lecture et de traduction automatique et support correspondant
FR2514913B1 (fr)	1986-07-04	Dispositif opto-electronique de lecture d'informations contenues sur un support magnetique
FR2519173B1 (fr)	1986-04-25	Dispositif d'enregistrement et de reproduction de donnees
FR2509939B1 (fr)	1988-12-30	Dispositif d'enregistrement d'image
FR2557722B1 (fr)	1986-04-11	Procede d'ecriture d'informations sur un support d'enregistrement
FR2460021B1 (fr)	1987-01-23	Dispositif pour la lecture d'information
FR2456977B1 (fr)	1987-03-20	Dispositif pour ecrire des informations numeriques sur un support
FR2313732A1 (fr)	1976-12-31	Dispositif pour la lecture d'un porteur d'enregistrement
BE891132R (fr)	1982-03-16	Appareil enregistreur et/ou reproducteur d'informations portees par un support en forme de disque
JPS56165935A (en)	1981-12-19	Method and device for reading mark on information record
BE879363A (fr)	1980-04-11	Dispositif pour la lecture de l'information d'un porteur d'information en forme de disque

Legal Events

Date	Code	Title	Description
1989-07-31	RE	Patent lapsed	Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN Effective date: 19890131

Date

Code

Title

Description

1989-07-31

Patent lapsed

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN

Effective date: 19890131