HK84391A - Apparatus for recording and/or reading information by means of a radiation beam - Google Patents

Apparatus for recording and/or reading information by means of a radiation beam

Info

Publication number
HK84391A
HK84391A HK843/91A HK84391A HK84391A HK 84391 A HK84391 A HK 84391A HK 843/91 A HK843/91 A HK 843/91A HK 84391 A HK84391 A HK 84391A HK 84391 A HK84391 A HK 84391A
Authority
HK
Hong Kong
Prior art keywords
recording
radiation beam
reading information
reading
information
Prior art date
Application number
HK843/91A
Other languages
English (en)
Inventor
Gerardus Lucien Mathild Jansen
Alexander Vorspaget
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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of HK84391A publication Critical patent/HK84391A/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • 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
HK843/91A 1983-01-14 1991-10-24 Apparatus for recording and/or reading information by means of a radiation beam HK84391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8300133A NL8300133A (nl) 1983-01-14 1983-01-14 Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie.

Publications (1)

Publication Number Publication Date
HK84391A true HK84391A (en) 1991-11-01

Family

ID=19841232

Family Applications (1)

Application Number Title Priority Date Filing Date
HK843/91A HK84391A (en) 1983-01-14 1991-10-24 Apparatus for recording and/or reading information by means of a radiation beam

Country Status (11)

Country Link
US (1) US4545046A (es)
EP (1) EP0114082B1 (es)
JP (1) JPS59140646A (es)
KR (1) KR910005309B1 (es)
AU (1) AU564119B2 (es)
CA (1) CA1213050A (es)
DE (1) DE3472025D1 (es)
ES (1) ES8407614A1 (es)
HK (1) HK84391A (es)
NL (1) NL8300133A (es)
SG (1) SG49590G (es)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59198542A (ja) * 1983-04-26 1984-11-10 Sony Corp 光学デイスクプレ−ヤ
JPS60239943A (ja) * 1984-05-15 1985-11-28 Matsushita Electric Ind Co Ltd 光学ヘツド
NL8402176A (nl) * 1984-07-10 1986-02-03 Philips Nv Inrichting voor het met een stralingsvlek inschrijven en/of uitlezen van informatie op een roterende informatieplaat.
NL8402777A (nl) * 1984-09-12 1986-04-01 Philips Nv Lensdrager ten behoeve van een electrodynamische inrichting voor het met een stralingsvlek inschrijven en/of aftasten van optische platen, alsmede een werkwijze voor het vervaardigen van een lensdrager.
DE3676395D1 (de) * 1985-08-27 1991-02-07 Siemens Ag Positioniereinrichtung fuer einen optischen datenspeicher.
JPS6289250A (ja) * 1985-10-16 1987-04-23 Fuji Photo Film Co Ltd 光デイスク用ピツクアツプ
US4823336A (en) * 1986-02-14 1989-04-18 Ricoh Company, Limited Optical disk drive
US4768180A (en) * 1986-03-17 1988-08-30 Laser Magnetic Storage International Company Multistage tracking system
JPS62175422U (es) * 1986-04-24 1987-11-07
US5001694A (en) * 1986-05-06 1991-03-19 Pencom International Corp. Tracking and focus actuator for a holographic optical head
US4862441A (en) * 1986-05-27 1989-08-29 Mitsubishi Denki Kabushiki Kaisha Carriage assembly
JPS62277628A (ja) * 1986-05-27 1987-12-02 Mitsubishi Electric Corp キヤリツジ組立体
JP2723108B2 (ja) * 1986-06-28 1998-03-09 日本電気ホームエレクトロニクス株式会社 光学系分離型光ヘツド装置
US4736356A (en) * 1986-07-14 1988-04-05 Optotech, Inc. Optical disk drive
US4922477A (en) * 1987-05-30 1990-05-01 Nec Home Electronics Ltd. Optical head unit
JPS6482343A (en) * 1987-09-24 1989-03-28 Teac Corp Tracking servo-device
JPH0770060B2 (ja) * 1988-09-01 1995-07-31 松下電器産業株式会社 光ヘッド移送装置
JPH0268732A (ja) * 1988-09-02 1990-03-08 Matsushita Electric Ind Co Ltd 記録再生装置
US5117414A (en) * 1988-09-19 1992-05-26 Hewlett-Packard Company Drive motor and spindle assembly for an optical disk drive
US5216643A (en) * 1988-09-20 1993-06-01 Hewlett-Packard Company Rotary arm and optical head for a magneto-optic disk drive
US5132944A (en) * 1988-09-20 1992-07-21 Hewlett-Packard Company Half-height magneto-optic disk drive
US4945526A (en) * 1988-10-18 1990-07-31 Laser Magnetic Storage International Company Actuator assembly for optical disk systems
JP2637223B2 (ja) * 1989-03-09 1997-08-06 日立マクセル株式会社 光ディスク装置
EP0403262A3 (en) * 1989-06-13 1991-10-16 Kabushiki Kaisha Toshiba Electro-magnetic actuator and optical disk
US5319624A (en) * 1989-06-13 1994-06-07 Kabushiki Kaisha Toshiba Electromagnetic actuator and optical disk apparatus incorporating the same
US5388086A (en) * 1989-06-13 1995-02-07 Kabushiki Kaisha Toshiba Electro-magnetic actuator for driving an objective lens
JPH0323523A (ja) * 1989-06-21 1991-01-31 Sony Corp 光学ヘッド装置
JPH03196699A (ja) * 1989-12-26 1991-08-28 Kanai Hiroyuki 電磁波シールド材
JP2870112B2 (ja) * 1990-04-13 1999-03-10 三菱電機株式会社 フレキシブルディスク装置
JPH0752511B2 (ja) * 1991-01-22 1995-06-05 富士ゼロックス株式会社 光学的情報記録再生装置
US11348611B1 (en) 2021-04-19 2022-05-31 Seagate Technology Llc Zero skew elevator system
US11948612B2 (en) 2021-04-19 2024-04-02 Seagate Technology Llc Zero skew elevator system
US11361787B1 (en) 2021-07-30 2022-06-14 Seagate Technology Llc Zero skew disk drive with dual actuators
US11488624B1 (en) 2021-09-20 2022-11-01 Seagate Technology Llc Ball bearing cartridge for linear actuator
US11468909B1 (en) 2021-11-02 2022-10-11 Seagate Technology Llc Zero skew with ultrasonic piezoelectric swing suspension
US11430472B1 (en) 2021-11-17 2022-08-30 Seagate Technology Llc Triple magnet linear actuator motor
GB2625731A (en) * 2022-12-22 2024-07-03 Cambridge Mechatronics Ltd Actuator assembly

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657707A (en) * 1969-03-17 1972-04-18 Precision Instr Co Laser recording system with both surface defect and data error checking
US3727195A (en) * 1970-07-20 1973-04-10 Orom Inc Method and system for read only memory
US3829622A (en) * 1972-10-24 1974-08-13 Mca Disco Vision Video disc player with variably biased pneumatic head
CA1013854A (en) * 1973-02-20 1977-07-12 John S. Winslow Videodisc mastering system
JPS5838866B2 (ja) * 1973-12-13 1983-08-25 キヤノン株式会社 フジヨウソウチ
US4044378A (en) * 1975-11-04 1977-08-23 Zenith Radio Corporation Optical system for reflective mode video playback apparatus
DE2846599A1 (de) * 1978-10-26 1980-04-30 Basf Ag Vorrichtung zum positionieren von gegenstaenden geringer masse
FR2472298A1 (fr) * 1979-12-21 1981-06-26 Thomson Csf Dispositif permettant de deplacer longitudinalement un moteur de rotation, et lecteur de video-disque comprenant un tel dispositif
JPS5766572A (en) * 1980-10-09 1982-04-22 Mitsubishi Electric Corp Magnetic head moving device of both-sided flexible disk storage device
JPS57113427A (en) * 1980-12-30 1982-07-14 Sony Corp Optical disk player
JPS57181482A (en) * 1981-05-01 1982-11-08 Toshiba Corp Disc device
NL8204981A (nl) * 1982-12-24 1984-07-16 Philips Nv Electrodynamische inrichting voor het transleren van een objectief.

Also Published As

Publication number Publication date
NL8300133A (nl) 1984-08-01
SG49590G (en) 1990-08-31
US4545046A (en) 1985-10-01
EP0114082A3 (en) 1984-08-08
EP0114082B1 (en) 1988-06-08
JPS59140646A (ja) 1984-08-13
AU2325184A (en) 1984-07-19
AU564119B2 (en) 1987-07-30
EP0114082A2 (en) 1984-07-25
JPH0518182B2 (es) 1993-03-11
ES528823A0 (es) 1984-09-16
KR910005309B1 (ko) 1991-07-24
CA1213050A (en) 1986-10-21
KR840008873A (ko) 1984-12-19
ES8407614A1 (es) 1984-09-16
DE3472025D1 (en) 1988-07-14

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