NL173797C - Informatiesignaalregistreermedium met een plat oppervlak, en registreerinrichting voor een dergelijk medium. - Google Patents

Informatiesignaalregistreermedium met een plat oppervlak, en registreerinrichting voor een dergelijk medium.

Info

Publication number
NL173797C
NL173797C NLAANVRAGE7801440,A NL7801440A NL173797C NL 173797 C NL173797 C NL 173797C NL 7801440 A NL7801440 A NL 7801440A NL 173797 C NL173797 C NL 173797C
Authority
NL
Netherlands
Prior art keywords
medium
registrator
flat surface
information signal
signal record
Prior art date
Application number
NLAANVRAGE7801440,A
Other languages
English (en)
Other versions
NL7801440A (nl
NL173797B (nl
Original Assignee
Victor Company Of Japan
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 claimed from JP1332277A external-priority patent/JPS5398814A/ja
Priority claimed from JP1443877A external-priority patent/JPS5399923A/ja
Priority claimed from JP1487077A external-priority patent/JPS53100217A/ja
Priority claimed from JP1805777A external-priority patent/JPS53103716A/ja
Priority claimed from JP1805677A external-priority patent/JPS53103715A/ja
Application filed by Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of NL7801440A publication Critical patent/NL7801440A/nl
Publication of NL173797B publication Critical patent/NL173797B/nl
Application granted granted Critical
Publication of NL173797C publication Critical patent/NL173797C/nl

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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B11/03—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 deforming with non-mechanical means, e.g. laser, beam of particles
    • G11B11/05—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 deforming with non-mechanical means, e.g. laser, beam of particles with reproducing by capacitive means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • 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
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • 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
    • G11B23/36—Signals on record carriers or on containers and recorded by the same method as the main 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
    • G11B7/004—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
    • 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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
NLAANVRAGE7801440,A 1977-02-09 1978-02-08 Informatiesignaalregistreermedium met een plat oppervlak, en registreerinrichting voor een dergelijk medium. NL173797C (nl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1332277A JPS5398814A (en) 1977-02-09 1977-02-09 Grooveless medium disc for information recording
JP1443877A JPS5399923A (en) 1977-02-12 1977-02-12 Grooveless medium disc for imformation recording
JP1487077A JPS53100217A (en) 1977-02-14 1977-02-14 Grooveless medium disc for information recording
JP1805777A JPS53103716A (en) 1977-02-23 1977-02-23 Grooveless disc for information recording medium
JP1805677A JPS53103715A (en) 1977-02-23 1977-02-23 Grooveless disc for information recording medium

Publications (3)

Publication Number Publication Date
NL7801440A NL7801440A (nl) 1978-08-11
NL173797B NL173797B (nl) 1983-10-03
NL173797C true NL173797C (nl) 1984-03-01

Family

ID=27519494

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7801440,A NL173797C (nl) 1977-02-09 1978-02-08 Informatiesignaalregistreermedium met een plat oppervlak, en registreerinrichting voor een dergelijk medium.

Country Status (6)

Country Link
US (1) US4420827A (nl)
CA (1) CA1106061A (nl)
DE (1) DE2805322C2 (nl)
FR (1) FR2382742B1 (nl)
GB (1) GB1600432A (nl)
NL (1) NL173797C (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL173104C (nl) * 1977-02-09 1983-12-01 Victor Company Of Japan Informatiesignaalregistratiemedium van roterende soort en inrichting voor het registreren van informatiesignalen daarop.
US4161752A (en) * 1977-06-28 1979-07-17 International Business Machines Corporation High density video disk having two pit depths
JPS57167172A (en) * 1981-04-07 1982-10-14 Victor Co Of Japan Ltd High density information recording and reproducing system
FR2504301A1 (fr) * 1981-04-15 1982-10-22 Thomson Csf Support d'informations mobile et dispositif d'enregistrement-lecture comprenant un tel support
JPS58215735A (ja) * 1982-06-07 1983-12-15 Sony Corp 光学式デイスク記録方法
JPS59161555U (ja) * 1983-04-14 1984-10-29 日本ビクター株式会社 トラツキングサ−ボ回路
CA1258909A (en) * 1985-03-29 1989-08-29 Hideki Hosoya Optical information recording medium and method for recording information on said medium and reproducing information therefrom
US4949331A (en) * 1985-06-19 1990-08-14 Hitachi, Ltd. Apparatus and record carrier for optical disc memory with correction pattern and master disc cutting apparatus
GB2178218B (en) * 1985-06-28 1989-07-19 Teac Corp Rotary recording medium having a guide track and recording and reproducing apparatus therefor

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438050A (en) * 1965-01-06 1969-04-08 Itek Corp Laser data recorder
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
US3701846A (en) * 1970-03-27 1972-10-31 George E Zenzefilis Method and apparatus for recording and reproducing video
US3800099A (en) * 1971-03-31 1974-03-26 Ted Bildplatten Storing and reproducing information and carrier therefor with zones of different deformation characteristics
US3787887A (en) * 1971-04-29 1974-01-22 Rca Corp Optical recorder with intensity control
NL7212045A (nl) * 1972-09-05 1974-03-07
JPS4964405A (nl) * 1972-10-20 1974-06-21
US3968326A (en) * 1973-02-09 1976-07-06 Rca Corporation Trapezoidal smooth grooves for video disc
US4084185A (en) * 1974-02-12 1978-04-11 U.S. Philips Corporation Record carrier on which information is stored in an optically readable structure
US3919697A (en) * 1974-06-26 1975-11-11 Battelle Development Corp Data record tracking using track identifying information in the gaps between recorded data groups
US4001493A (en) * 1974-09-03 1977-01-04 Nihon Denshi Kabushiki Kaisha Single lens, multi-beam system and method for high resolution recording of information on a moving recording medium and article
US4006292A (en) * 1974-09-03 1977-02-01 Sharp Corporation Information recording and reproducing system with plural information tracks within a single groove
FR2304981A1 (fr) * 1975-03-21 1976-10-15 Thomson Brandt Dispositif d'enregistrement optique d'informations
DE2522405C2 (de) * 1975-05-21 1982-04-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information
US4321621A (en) * 1976-04-08 1982-03-23 Victor Company Of Japan, Ltd. High density recording system using side-by-side information and servo tracks
NL179765C (nl) * 1976-11-17 1986-11-03 Victor Company Of Japan Naald voor het weergeven van informatiesignalen, die op een registratiemedium zijn geregistreerd.
NL173104C (nl) * 1977-02-09 1983-12-01 Victor Company Of Japan Informatiesignaalregistratiemedium van roterende soort en inrichting voor het registreren van informatiesignalen daarop.
US4161752A (en) * 1977-06-28 1979-07-17 International Business Machines Corporation High density video disk having two pit depths

Also Published As

Publication number Publication date
DE2805322C2 (de) 1982-12-23
NL7801440A (nl) 1978-08-11
FR2382742A1 (fr) 1978-09-29
CA1106061A (en) 1981-07-28
US4420827A (en) 1983-12-13
NL173797B (nl) 1983-10-03
FR2382742B1 (fr) 1985-11-29
DE2805322A1 (de) 1978-08-10
GB1600432A (en) 1981-10-14

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee