NO141135C - Apparat for avlesning av en plateformet opptegningsbaerer - Google Patents

Apparat for avlesning av en plateformet opptegningsbaerer

Info

Publication number
NO141135C
NO141135C NO4305/73A NO430573A NO141135C NO 141135 C NO141135 C NO 141135C NO 4305/73 A NO4305/73 A NO 4305/73A NO 430573 A NO430573 A NO 430573A NO 141135 C NO141135 C NO 141135C
Authority
NO
Norway
Prior art keywords
bear
reading
platform recording
platform
recording
Prior art date
Application number
NO4305/73A
Other languages
English (en)
Norwegian (no)
Other versions
NO141135B (no
Inventor
Peter Johannes Michiel Janssen
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 NO141135B publication Critical patent/NO141135B/no
Publication of NO141135C publication Critical patent/NO141135C/no

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/14Control of position or direction using feedback using an analogue comparing device
    • 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
    • G11B7/0901Disposition 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
    • 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
    • G11B7/095Disposition 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
    • G11B7/0953Disposition 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)
NO4305/73A 1972-11-11 1973-11-08 Apparat for avlesning av en plateformet opptegningsbaerer NO141135C (no)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO141135B NO141135B (no) 1979-10-08
NO141135C true NO141135C (no) 1980-01-16

Family

ID=19817347

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4305/73A NO141135C (no) 1972-11-11 1973-11-08 Apparat for avlesning av en plateformet opptegningsbaerer

Country Status (17)

Country Link
US (1) US3876827A (es)
JP (1) JPS5420121B2 (es)
AT (1) AT330259B (es)
BE (1) BE807160A (es)
BR (1) BR7308762D0 (es)
CA (1) CA994909A (es)
CH (1) CH580843A5 (es)
DE (1) DE2353901A1 (es)
DK (1) DK137906B (es)
ES (1) ES420410A1 (es)
FR (1) FR2206550B1 (es)
GB (1) GB1452329A (es)
IT (1) IT999743B (es)
NL (1) NL7215307A (es)
NO (1) NO141135C (es)
SE (1) SE395783B (es)
ZA (1) ZA738174B (es)

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 (es) * 1973-02-08 1974-10-08
FR2251876B1 (es) * 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 (es) * 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
AT330259B (de) 1976-06-25
ES420410A1 (es) 1976-04-16
IT999743B (it) 1976-03-10
ATA939873A (de) 1975-09-15
JPS5420121B2 (es) 1979-07-20
CA994909A (en) 1976-08-10
SE395783B (sv) 1977-08-22
DE2353901A1 (de) 1974-05-16
FR2206550B1 (es) 1976-10-01
US3876827A (en) 1975-04-08
GB1452329A (en) 1976-10-13
NL7215307A (es) 1974-05-14
DK137906B (da) 1978-05-29
BR7308762D0 (pt) 1974-09-05
FR2206550A1 (es) 1974-06-07
NO141135B (no) 1979-10-08
JPS50802A (es) 1975-01-07
DK137906C (es) 1978-11-13
DE2353901C2 (es) 1987-01-08
ZA738174B (en) 1975-05-28
AU6231773A (en) 1975-05-15
CH580843A5 (es) 1976-10-15

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