MX144032A - IMPROVEMENTS IN DEVICE TO READ A RECORDING CARRIER ON WHICH INFORMATION OF VIDEO AND / OR AUDIO IS MEMORIZED - Google Patents

IMPROVEMENTS IN DEVICE TO READ A RECORDING CARRIER ON WHICH INFORMATION OF VIDEO AND / OR AUDIO IS MEMORIZED

Info

Publication number
MX144032A
MX144032A MX167801A MX16780177A MX144032A MX 144032 A MX144032 A MX 144032A MX 167801 A MX167801 A MX 167801A MX 16780177 A MX16780177 A MX 16780177A MX 144032 A MX144032 A MX 144032A
Authority
MX
Mexico
Prior art keywords
audio
reading
stored
video information
record carrier
Prior art date
Application number
MX167801A
Other languages
English (en)
Inventor
Josephus Johannes Maria Braat
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
Priority to NL7600843A priority Critical patent/NL7600843A/xx
Application filed by Philips Nv filed Critical Philips Nv
Publication of MX144032A publication Critical patent/MX144032A/es

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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 focusing only
    • G11B7/0917Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermo-magnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermo-magnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/10515Reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermo-magnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055Disposition or mounting of transducers relative to record carriers
    • G11B11/10576Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13Optical detectors therefor
MX167801A 1976-01-28 1977-01-24 IMPROVEMENTS IN DEVICE TO READ A RECORDING CARRIER ON WHICH INFORMATION OF VIDEO AND / OR AUDIO IS MEMORIZED MX144032A (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7600843A NL7600843A (nl) 1976-01-28 1976-01-28 Inrichting voor het uitlezen van een registratie- drager waarop informatie, bijvoorbeeld en/of ge- luidsinformatie, is aangebracht.

Publications (1)

Publication Number Publication Date
MX144032A true MX144032A (es) 1981-08-19

Family

ID=19825527

Family Applications (1)

Application Number Title Priority Date Filing Date
MX167801A MX144032A (es) 1976-01-28 1977-01-24 IMPROVEMENTS IN DEVICE TO READ A RECORDING CARRIER ON WHICH INFORMATION OF VIDEO AND / OR AUDIO IS MEMORIZED

Country Status (22)

Country Link
US (1) US4051527A (es)
JP (1) JPS5631651B2 (es)
AR (1) AR217251A1 (es)
AT (1) AT349230B (es)
AU (1) AU505467B2 (es)
BE (1) BE850782A (es)
BR (1) BR7700453A (es)
CA (1) CA1096494A (es)
CH (1) CH620541A5 (es)
DE (1) DE2701538C3 (es)
DK (1) DK145866C (es)
ES (1) ES455361A1 (es)
FR (1) FR2339929B1 (es)
GB (1) GB1572409A (es)
IT (1) IT1084008B (es)
MX (1) MX144032A (es)
NL (1) NL7600843A (es)
NO (1) NO149794C (es)
NZ (1) NZ183153A (es)
PL (1) PL108352B1 (es)
SE (1) SE417555B (es)
ZA (1) ZA7700010B (es)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7708200A (nl) * 1976-07-28 1978-01-31 Hitachi Ltd AUTOMATIC FOCUS DEVICE.
CA1091966A (en) * 1976-10-15 1980-12-23 Chiaki Kojima Apparatus for reading signals recorded on a record carrier
JPS5398802A (en) * 1977-02-09 1978-08-29 Mitsubishi Electric Corp Optical reproducer
JPS54124705A (en) * 1978-03-20 1979-09-27 Teac Corp Optical reproducer
JPH0115931B2 (es) * 1978-04-07 1989-03-22 Hitachi Ltd
NL7805069A (nl) * 1978-05-11 1979-11-13 Philips Nv Inrichting voor puntsgewijze aftasting van een infor- matievlak.
JPS6334528B2 (es) * 1978-09-07 1988-07-11 Paionia Bideo Kk
NL7904724A (nl) * 1979-06-18 1980-12-22 Philips Nv Optische aftastinrichting met fokusseerstelsel.
US4320486A (en) * 1980-01-11 1982-03-16 Advanced Integrated Design, Incorporated Transferring information signals from a first to a second recording medium
US4358774A (en) * 1980-07-14 1982-11-09 Discovision Associates Apparatus and method for controlling focus in a recording system
US4484319A (en) * 1980-09-19 1984-11-20 Matsushita Electric Industrial Co., Ltd. Apparatus for locating a track on disc-like optical information carriers
JPH0219536B2 (es) * 1980-10-09 1990-05-02 Olympus Optical Co
JPH0221056B2 (es) * 1980-10-25 1990-05-11 Olympus Optical Co
JPS6223372B2 (es) * 1981-01-16 1987-05-22 Matsushita Electric Ind Co Ltd
JPS57195634U (es) * 1981-06-05 1982-12-11
US4414658A (en) * 1981-06-12 1983-11-08 Mcdonnell Douglas Corporation Linear tracking arrangement in a photographic disc type information containing system
US4458144A (en) * 1981-06-30 1984-07-03 Storage Technology Corporation Apparatus for reading information stored in a track pattern on a radiation reflecting record
JPS5854457A (en) * 1981-09-28 1983-03-31 Hitachi Ltd Data freezing system at abnormal time
JPS58118039A (en) * 1982-01-06 1983-07-13 Hitachi Ltd Tracking device of optical disk track
JPS58220252A (en) * 1982-06-16 1983-12-21 Hitachi Ltd Detecting circuit of tracking error signal of optical pickup
US4622659A (en) * 1982-09-09 1986-11-11 Burroughs Corporation Focus detection and control apparatus for maintaining accurate focusing in an optical memory system by detecting reflected beam diameter variations at spaced predetermined locations
US4559622A (en) * 1982-09-09 1985-12-17 Burroughs Corporation Optical memory system providing improved focus detection and control by detecting reflected beam diameter variations at spaced predetermined locations in the system
US4621353A (en) * 1982-09-09 1986-11-04 Burroughs Corporation Optical memory system providing improved focusing control and improved beam combining and separating apparatus
DE3484723D1 (de) * 1983-09-05 1991-07-25 Mitsubishi Electric Corp Automatisches fokussierungsverfahren.
JPS649658B2 (es) * 1983-09-05 1989-02-20 Mitsubishi Electric Corp
NL8303560A (nl) * 1983-10-17 1985-05-17 Philips Nv Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager.
US4740940A (en) * 1985-03-11 1988-04-26 Matsushita Electric Industrial Co., Ltd. Optical information read apparatus
US5179268A (en) * 1987-07-22 1993-01-12 Omron Tateisi Electronic Co. Apparatus for detecting inclination of an optical card
EP0300481B1 (en) * 1987-07-22 1994-12-07 Omron Tateisi Electronics Co. Apparatus for detecting inclination of optical card
NL8702071A (nl) * 1987-09-03 1989-04-03 Philips Nv Inrichting voor het puntsgewijs aftasten van een voorwerp.
DE3882918T2 (de) * 1987-11-17 1994-01-20 Matsushita Electric Ind Co Ltd Fokusregelsystem für optische Scheibenvorrichtung mit lichtempfindlichen Elementen in der Fokusebene des Bildes der Informationsstruktur.
US5031167A (en) * 1988-05-26 1991-07-09 Matsushita Electric Industrial Co., Ltd. Focus error detection system for an optical recording/reproducing system
JP2589814B2 (ja) * 1989-07-19 1997-03-12 松下電器産業株式会社 クロック抽出装置およびトラッキング誤差信号採取装置
JPH0770073B2 (ja) * 1989-08-04 1995-07-31 松下電器産業株式会社 光学ヘッド
CN1275230A (zh) 1998-06-15 2000-11-29 皇家菲利浦电子有限公司 用于扫描光记录载体的装置
EP0965981A3 (en) * 1998-06-16 2009-11-25 Philips Electronics N.V. Device for scanning an optical record carrier
US6781104B1 (en) 1998-06-16 2004-08-24 Koninklijke Philips Electronics N.V. Device for scanning an optical record carrier
JP5207240B2 (ja) * 2008-08-11 2013-06-12 学校法人金井学園 光記録再生媒体の焦点誤差検出方法、およびそれに用いる発光装置のビーム分割調節器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2070474A5 (es) * 1969-12-05 1971-09-10 Anvar
AR205243A1 (es) * 1972-05-11 1976-04-21 Philips Nv Aparato para la lectura de un portador de grabacion reflector plano
NL160138C (nl) * 1972-05-11 1979-09-17 Philips Nv Inrichting voor het uitlezen van een vlakke registratie- drager.
FR2266932B1 (es) * 1973-03-02 1977-09-02 Thomson Brandt
FR2235448B1 (es) * 1973-06-29 1976-05-07 Thomson Brandt
US3932700A (en) * 1974-02-04 1976-01-13 Zenith Radio Corporation Focus tracking registration for optical reproducing systems
NL7413044A (nl) * 1974-10-03 1976-04-06 Philips Nv Registratiedrager waarop een televisiesignaal is opgeslagen.
NL7413162A (nl) * 1974-10-07 1976-04-09 Philips Nv Inrichting voor het uitlezen van een schijf- vormige registratiedrager.
NL182257C (en) * 1974-12-23 1988-02-01 Philips Nv Device for reading a flat reflecting registration carrier to which information has been applied in an optically readable structure.
NL177157C (en) * 1975-02-28 1985-08-01 Philips Nv Device for reading a flat record carrier with an optically readable information structure.

Also Published As

Publication number Publication date
ZA7700010B (en) 1978-08-30
NO149794C (no) 1984-06-27
CA1096494A (en) 1981-02-24
PL108352B1 (en) 1980-04-30
AU505467B2 (en) 1979-11-22
SE7700726L (sv) 1977-07-29
US4051527A (en) 1977-09-27
IT1084008B (it) 1985-05-25
DK145866C (da) 1983-09-05
FR2339929B1 (es) 1981-09-18
NO149794B (no) 1984-03-12
SE417555B (sv) 1981-03-23
DK145866B (da) 1983-03-21
ATA45977A (de) 1978-08-15
AT349230B (de) 1979-03-26
JPS5293223A (en) 1977-08-05
FR2339929A1 (fr) 1977-08-26
DE2701538B2 (es) 1980-12-04
DE2701538C3 (es) 1981-09-10
NL7600843A (nl) 1977-08-01
DK30677A (da) 1977-07-29
BE850782A (fr) 1977-07-26
CH620541A5 (es) 1980-11-28
NO770239L (no) 1977-07-29
BR7700453A (pt) 1977-10-04
AU2161777A (en) 1978-08-03
BE850782A1 (es)
ES455361A1 (es) 1978-01-01
NZ183153A (en) 1980-03-05
GB1572409A (en) 1980-07-30
AR217251A1 (es) 1980-03-14
CA1096494A1 (es)
DE2701538A1 (de) 1977-08-04
JPS5631651B2 (es) 1981-07-22

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