CH589342A5 - - Google Patents

Info

Publication number
CH589342A5
CH589342A5 CH165374A CH165374A CH589342A5 CH 589342 A5 CH589342 A5 CH 589342A5 CH 165374 A CH165374 A CH 165374A CH 165374 A CH165374 A CH 165374A CH 589342 A5 CH589342 A5 CH 589342A5
Authority
CH
Switzerland
Application number
CH165374A
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19818174&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CH589342(A5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH589342A5 publication Critical patent/CH589342A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording 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
    • G11B11/10—Recording 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
    • G11B11/105—Recording 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 thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
CH165374A 1973-02-09 1974-02-06 CH589342A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7301830,A NL174591C (nl) 1973-02-09 1973-02-09 Schijfvormig registratiedragerlichaam.

Publications (1)

Publication Number Publication Date
CH589342A5 true CH589342A5 (xx) 1977-06-30

Family

ID=19818174

Family Applications (2)

Application Number Title Priority Date Filing Date
CH165374A CH589342A5 (xx) 1973-02-09 1974-02-06
CH1227076A CH589343A5 (xx) 1973-02-09 1974-02-06

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1227076A CH589343A5 (xx) 1973-02-09 1974-02-06

Country Status (14)

Country Link
US (2) US4807209A (xx)
JP (2) JPS5737922B2 (xx)
AT (1) AT342882B (xx)
AU (1) AU497689B2 (xx)
BE (1) BE810750A (xx)
CA (1) CA1018651A (xx)
CH (2) CH589342A5 (xx)
DE (2) DE2462524C3 (xx)
ES (2) ES423011A1 (xx)
FR (1) FR2217761B1 (xx)
GB (1) GB1465742A (xx)
IT (1) IT1004884B (xx)
NL (1) NL174591C (xx)
SE (2) SE398017B (xx)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS5191610A (xx) * 1975-02-08 1976-08-11
JPS5842527B2 (ja) * 1975-02-08 1983-09-20 ティアック株式会社 デイスクジヨウキロクバイタイヘノ ジヨウホウシンゴウノキロクホウホウ
JPS5191612A (en) * 1975-02-08 1976-08-11 Kirokubaitaiheno johonokirokuhoho
JPS5817974B2 (ja) * 1975-06-20 1983-04-11 松下電器産業株式会社 キロクサイセイソウチ
JPS5280007A (en) * 1975-12-26 1977-07-05 Sony Corp Video disc
GB1576426A (en) * 1976-03-19 1980-10-08 Rca Corp Eccentricity compensating system in recording and playbackapparatus
FR2365854A1 (fr) * 1976-09-24 1978-04-21 Thomson Brandt Procede de fabrication d'un support d'information enregistrable et lisible optiquement et support obtenu par un tel procede
FR2366636A1 (fr) * 1976-10-01 1978-04-28 Thomson Brandt Dispositif d'enregistrement optique d'information sur un support avec asservissement de la position de la tache d'enregistrement sur le support d'information
JPS5379333A (en) * 1976-12-24 1978-07-13 Hitachi Ltd Memory unit
AU520835B2 (en) * 1977-03-24 1982-03-04 World Development Laboratories Optical recording system and method
JPS5465503A (en) * 1977-11-04 1979-05-26 Hitachi Ltd Information recorder-reproducer
NL7802860A (nl) * 1978-03-16 1979-09-18 Philips Nv Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen.
US4488275A (en) * 1978-03-27 1984-12-11 Discovision Associates Tracking system for video disc player
US4439848A (en) * 1978-03-27 1984-03-27 Discovision Associates Focusing system for video disc player
SE7813460L (sv) * 1978-03-27 1979-09-28 Mca Disco Vision Videoskivspelare
USRE32709E (en) * 1978-03-27 1988-07-05 Discovision Associates Tracking system for video disc player
CA1165871A (en) * 1978-11-08 1984-04-17 Kornelis Bulthuis Optically inscribable record carrier
JPS55125546A (en) * 1979-03-20 1980-09-27 Matsushita Electric Ind Co Ltd Information recorder
US4283777A (en) * 1979-05-14 1981-08-11 Xerox Corporation Optical memory having a parallel read out
US4290122A (en) * 1979-05-14 1981-09-15 Xerox Corporation Self-synchronizing clock source for optical memories
ATE6554T1 (de) * 1979-07-16 1984-03-15 Discovision Associates Fuer einen plattenrohling geeignetes videoaufzeichnungs/wiedergabegeraet und verfahren zur heimaufzeichnung.
GB2077065B (en) * 1980-02-23 1985-01-09 Sharp Kk Magnetooptic memory medium
JPS56119943A (en) * 1980-02-26 1981-09-19 Sharp Corp Optical information recorder and reproducer
FR2490858B1 (fr) * 1980-09-25 1986-04-04 Rca Corp Milieu d'enregistrement optique a sensibilite variable et disque contenant de l'information, realise a l'aide d'un tel milieu
FR2504765A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Dispositif d'enregistrement-lecture comprenant un support mobile d'informations du type comportant une piste pregravee
FR2509891B1 (fr) * 1981-07-17 1986-12-05 Thomson Csf Dispositif optique d'enregistrement-lecture sur support d'information pregrave
JPH0675297B2 (ja) * 1981-08-28 1994-09-21 株式会社日立製作所 光学的情報記録再生装置
JPS5862630A (ja) * 1981-10-08 1983-04-14 Sony Corp 光変調装置
US4445144A (en) * 1981-12-21 1984-04-24 Discovision Associates Method for detecting eccentricity in a video disc and in a video disc player
JPS5971141A (ja) * 1982-10-14 1984-04-21 Mitsubishi Electric Corp 光学的信号読出し装置
EP0124580B1 (en) * 1982-11-01 1991-04-03 Storage Technology Partners Ii Fine and coarse servo system for access and tracking on an optical disk
JPS5952439A (ja) * 1983-08-15 1984-03-27 Hitachi Ltd 情報記録装置
CA1198209A (en) * 1983-11-24 1985-12-17 Northern Telecom Limited Optical disc
NL8500153A (nl) * 1985-01-22 1986-08-18 Philips Nv Registratiedragerlichaam voorzien van een reliefstruktuur van optisch detekteerbare servospoorgedeelten en sektoradressen en inrichting voor het aanbrengen van deze struktuur.
US4803677A (en) * 1985-06-28 1989-02-07 Teac Corporation Rotary recording medium having a guide track and recording and reproducing apparatus therefor
JPS61210546A (ja) * 1986-02-01 1986-09-18 Canon Inc 記録媒体
US4936665A (en) * 1987-10-25 1990-06-26 Whitney Theodore R High resolution imagery systems and methods
JPH0197042U (xx) * 1987-12-18 1989-06-28
JPH03228240A (ja) * 1990-09-21 1991-10-09 Sharp Corp 磁気光学記憶素子
JPH04195938A (ja) * 1990-11-28 1992-07-15 Olympus Optical Co Ltd 光学的情報記録再生装置
JP3743178B2 (ja) 1998-10-05 2006-02-08 ヤマハ株式会社 記録可能型光ディスクおよび光ディスク記録装置
US6455861B1 (en) * 1998-11-24 2002-09-24 Cambridge Research & Instrumentation, Inc. Fluorescence polarization assay system and method
EP1644515A2 (en) * 2003-06-23 2006-04-12 NLCPharma, Inc. Enzymatic diagnostic test for sars and other viral diseases
US7277018B2 (en) * 2004-09-17 2007-10-02 Incident Alert Systems, Llc Computer-enabled, networked, facility emergency notification, management and alarm system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337718A (en) * 1964-01-02 1967-08-22 Xerox Corp Light scan recording and readout
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
DE2048431B2 (de) * 1970-08-05 1974-01-10 Ted Bildplatten Ag Aeg-Telefunkenteldec, Zug (Schweiz) Verfahren zum Aufzeichnen von Informationen, vorzugsweise von solchen großer Bandbreite im Bereich von mehreren MHz, auf einem Träger
DE2038874B2 (de) * 1970-08-05 1973-01-04 Teldec Telefunkendecca Schallplatten Gmbh, 2000 Hamburg Verfahren zum Aufzeichnen von Signalen auf einen Speicher
NL160138C (nl) * 1972-05-11 1979-09-17 Philips Nv Inrichting voor het uitlezen van een vlakke registratie- drager.
NL7212044A (xx) * 1972-09-05 1974-03-07
JPS4964405A (xx) * 1972-10-20 1974-06-21
NL7301932A (xx) * 1973-02-12 1974-08-14

Also Published As

Publication number Publication date
ES429346A1 (es) 1976-08-16
NL174591C (nl) 1984-07-02
DE2462524B2 (de) 1978-06-22
CA1018651A (en) 1977-10-04
DE2403013A1 (de) 1974-08-15
JPS5758734B2 (xx) 1982-12-10
SE7609734L (sv) 1976-09-03
US4962493A (en) 1990-10-09
ATA98674A (de) 1977-08-15
NL174591B (nl) 1984-02-01
AU6525574A (en) 1975-08-07
BE810750A (fr) 1974-08-07
SE414840B (sv) 1980-08-18
NL7301830A (xx) 1974-08-13
ES423011A1 (es) 1976-04-16
JPS5737922B2 (xx) 1982-08-12
DE2462524A1 (de) 1977-07-07
IT1004884B (it) 1976-07-20
AU497689B2 (en) 1978-12-21
FR2217761A1 (xx) 1974-09-06
JPS49113601A (xx) 1974-10-30
DE2462524C3 (de) 1979-02-22
FR2217761B1 (xx) 1976-11-26
SE398017B (sv) 1977-11-28
DE2403013C3 (de) 1978-05-24
AT342882B (de) 1978-04-25
GB1465742A (en) 1977-03-02
CH589343A5 (xx) 1977-06-30
JPS54154304A (en) 1979-12-05
US4807209A (en) 1989-02-21
DE2403013B2 (de) 1977-09-01

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Legal Events

Date Code Title Description
PL Patent ceased