NL7215307A - - Google Patents

Info

Publication number
NL7215307A
NL7215307A NL7215307A NL7215307A NL7215307A NL 7215307 A NL7215307 A NL 7215307A NL 7215307 A NL7215307 A NL 7215307A NL 7215307 A NL7215307 A NL 7215307A NL 7215307 A NL7215307 A NL 7215307A
Authority
NL
Netherlands
Application number
NL7215307A
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 filed Critical
Priority to NL7215307A priority Critical patent/NL7215307A/xx
Priority to ZA00738174A priority patent/ZA738174B/xx
Priority to DE2353901A priority patent/DE2353901C2/de
Priority to US410774A priority patent/US3876827A/en
Priority to CA185,305A priority patent/CA994909A/en
Priority to SE7315153A priority patent/SE395783B/xx
Priority to IT70275/73A priority patent/IT999743B/it
Priority to DK604873AA priority patent/DK137906B/da
Priority to AT939873A priority patent/AT330259B/de
Priority to BR8762/73A priority patent/BR7308762D0/pt
Priority to JP12502373A priority patent/JPS5420121B2/ja
Priority to NO4305/73A priority patent/NO141135C/no
Priority to GB5184973A priority patent/GB1452329A/en
Priority to CH1571373A priority patent/CH580843A5/xx
Priority to BE137615A priority patent/BE807160A/xx
Priority to AU62317/73A priority patent/AU486009B2/en
Priority to ES420410A priority patent/ES420410A1/es
Priority to FR7339855A priority patent/FR2206550B1/fr
Publication of NL7215307A publication Critical patent/NL7215307A/xx

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0953—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
NL7215307A 1972-11-11 1972-11-11 NL7215307A (xx)

Priority Applications (18)

Application Number Priority Date Filing Date Title
NL7215307A NL7215307A (xx) 1972-11-11 1972-11-11
ZA00738174A ZA738174B (en) 1972-11-11 1973-10-22 Apparatus for reading a disc-shaped record carrier
DE2353901A DE2353901C2 (de) 1972-11-11 1973-10-27 Vorrichtung zum Auslesen eines scheibenförmigen Aufzeichnungsträgers
US410774A US3876827A (en) 1972-11-11 1973-10-29 Apparatus for reading a disc-shaped record carrier
CA185,305A CA994909A (en) 1972-11-11 1973-11-08 Apparatus for reading a disc-shaped record carrier
SE7315153A SE395783B (sv) 1972-11-11 1973-11-08 Apparat for avlesning av en skivformad uppteckningsberare
IT70275/73A IT999743B (it) 1972-11-11 1973-11-08 Apparecchio per leggere un sopporto di registrazione a forma di disco
DK604873AA DK137906B (da) 1972-11-11 1973-11-08 Apparat til aflæsning af en pladeformet registreringsbærer.
AT939873A AT330259B (de) 1972-11-11 1973-11-08 Vorrichtung zum auslesen von informationen
BR8762/73A BR7308762D0 (pt) 1972-11-11 1973-11-08 Aparelho para ler uma portadora de registro em forma de disco
JP12502373A JPS5420121B2 (xx) 1972-11-11 1973-11-08
NO4305/73A NO141135C (no) 1972-11-11 1973-11-08 Apparat for avlesning av en plateformet opptegningsbaerer
GB5184973A GB1452329A (en) 1972-11-11 1973-11-08 Reading disc recordings
CH1571373A CH580843A5 (xx) 1972-11-11 1973-11-08
BE137615A BE807160A (fr) 1972-11-11 1973-11-09 Dispositif permettant l'exploration d'un disque porte-enregistrement
AU62317/73A AU486009B2 (en) 1972-11-11 1973-11-09 Apparatus for reading a disc-shaped record carrier
ES420410A ES420410A1 (es) 1972-11-11 1973-11-09 Aparato para leer un portador de registro en forma de dis- co.
FR7339855A FR2206550B1 (xx) 1972-11-11 1973-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7215307A NL7215307A (xx) 1972-11-11 1972-11-11

Publications (1)

Publication Number Publication Date
NL7215307A true NL7215307A (xx) 1974-05-14

Family

ID=19817347

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7215307A NL7215307A (xx) 1972-11-11 1972-11-11

Country Status (17)

Country Link
US (1) US3876827A (xx)
JP (1) JPS5420121B2 (xx)
AT (1) AT330259B (xx)
BE (1) BE807160A (xx)
BR (1) BR7308762D0 (xx)
CA (1) CA994909A (xx)
CH (1) CH580843A5 (xx)
DE (1) DE2353901C2 (xx)
DK (1) DK137906B (xx)
ES (1) ES420410A1 (xx)
FR (1) FR2206550B1 (xx)
GB (1) GB1452329A (xx)
IT (1) IT999743B (xx)
NL (1) NL7215307A (xx)
NO (1) NO141135C (xx)
SE (1) SE395783B (xx)
ZA (1) ZA738174B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703467A (en) * 1972-10-24 1987-10-27 Discovision Associates Video disc read back scanner
US4282598A (en) * 1972-10-24 1981-08-04 Discovision Associates Video disc read back scanner
JPS49106305A (xx) * 1973-02-08 1974-10-08
FR2251876B1 (xx) * 1973-11-16 1977-09-23 Thomson Brandt
US4001494A (en) * 1974-11-01 1977-01-04 Zenith Radio Corporation Photoreceptor matrix for optical video playback system
JPS6011374B2 (ja) * 1975-02-05 1985-03-25 株式会社日立製作所 情報再生方法及びその装置
JPS5271413U (xx) * 1975-11-21 1977-05-27
US4074085A (en) * 1976-03-31 1978-02-14 Eli S. Jacobs Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks
NL7608561A (nl) * 1976-08-02 1978-02-06 Philips Nv Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur.
US4087842A (en) * 1976-11-05 1978-05-02 Graham Magnetics Inc. Recording track eccentricity compensation method and means
JPS54102107A (en) * 1978-01-30 1979-08-11 Hitachi Ltd Control information detecting method
US4365324A (en) * 1980-11-19 1982-12-21 Rca Corporation Eccentricity control device
JPS5812170A (ja) * 1981-07-14 1983-01-24 Victor Co Of Japan Ltd 円盤状情報記録媒体再生装置のジツタ補正回路
GB2136163A (en) * 1983-02-15 1984-09-12 Gen Electric Light Beam Stabilizer
JPH077510B2 (ja) * 1988-05-31 1995-01-30 アルプス電気株式会社 光学式ピックアップにおけるビームスプリッタの固定構造
US5268564A (en) 1990-08-03 1993-12-07 Symbol Technologies, Inc. Bar code scanner actuated by detection of scanner motion
JPH05210868A (ja) * 1992-01-30 1993-08-20 Hitachi Ltd マルチビーム分離形光ヘツド

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361873A (en) * 1962-05-07 1968-01-02 Minnesota Mining & Mfg Disc recording system
US3381086A (en) * 1962-08-16 1968-04-30 Minnesota Mining & Mfg Reproduction of television signals from photographic disc recordings

Also Published As

Publication number Publication date
BE807160A (fr) 1974-05-09
SE395783B (sv) 1977-08-22
DE2353901A1 (de) 1974-05-16
CA994909A (en) 1976-08-10
US3876827A (en) 1975-04-08
FR2206550A1 (xx) 1974-06-07
IT999743B (it) 1976-03-10
AU6231773A (en) 1975-05-15
DK137906C (xx) 1978-11-13
NO141135C (no) 1980-01-16
CH580843A5 (xx) 1976-10-15
DK137906B (da) 1978-05-29
ATA939873A (de) 1975-09-15
JPS50802A (xx) 1975-01-07
DE2353901C2 (de) 1987-01-08
BR7308762D0 (pt) 1974-09-05
NO141135B (no) 1979-10-08
AT330259B (de) 1976-06-25
ZA738174B (en) 1975-05-28
JPS5420121B2 (xx) 1979-07-20
GB1452329A (en) 1976-10-13
FR2206550B1 (xx) 1976-10-01
ES420410A1 (es) 1976-04-16

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Legal Events

Date Code Title Description
BV The patent application has lapsed