ES420411A1 - Un aparato para leer un portador de registro en forma de disco. - Google Patents

Un aparato para leer un portador de registro en forma de disco.

Info

Publication number
ES420411A1
ES420411A1 ES420411A ES420411A ES420411A1 ES 420411 A1 ES420411 A1 ES 420411A1 ES 420411 A ES420411 A ES 420411A ES 420411 A ES420411 A ES 420411A ES 420411 A1 ES420411 A1 ES 420411A1
Authority
ES
Spain
Prior art keywords
signal
reading
record carrier
control system
detector
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES420411A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES420411A1 publication Critical patent/ES420411A1/es
Expired legal-status Critical Current

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
    • H04N5/7605—Television signal recording on discs or drums
    • 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
    • G11B7/081—Disposition or mounting of heads or light sources relatively to record carriers for time base error correction by moving the light beam
    • 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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
ES420411A 1972-11-11 1973-11-09 Un aparato para leer un portador de registro en forma de disco. Expired ES420411A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7215306A NL7215306A (ja) 1972-11-11 1972-11-11

Publications (1)

Publication Number Publication Date
ES420411A1 true ES420411A1 (es) 1976-04-16

Family

ID=19817346

Family Applications (1)

Application Number Title Priority Date Filing Date
ES420411A Expired ES420411A1 (es) 1972-11-11 1973-11-09 Un aparato para leer un portador de registro en forma de disco.

Country Status (16)

Country Link
JP (1) JPS5531527B2 (ja)
AT (1) AT330258B (ja)
BE (1) BE807159A (ja)
BR (1) BR7308761D0 (ja)
CA (1) CA1005908A (ja)
CH (1) CH588123A5 (ja)
DE (1) DE2353673C2 (ja)
DK (1) DK134875B (ja)
ES (1) ES420411A1 (ja)
FR (1) FR2327607A1 (ja)
GB (1) GB1452330A (ja)
IT (1) IT999742B (ja)
NL (1) NL7215306A (ja)
NO (1) NO141137C (ja)
SE (1) SE395558B (ja)
ZA (1) ZA738175B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1577132A (en) * 1976-03-19 1980-10-22 Rca Corp Compensation apparatus for a servo system with periodic command signals
JPS52120805A (en) * 1976-04-02 1977-10-11 Sony Corp Servo apparatus
CA1198766A (en) * 1981-04-20 1985-12-31 Atsuo Tanaka Magnetic rolls and a method of making the same
JPS5940241U (ja) * 1982-09-04 1984-03-14 大豊工業株式会社 回転軸
DE8322639U1 (de) * 1983-08-05 1983-12-01 Uranit GmbH, 5170 Jülich Leitwalzen für Papier-, Folienveredelungs- und Druckmaschinen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381086A (en) * 1962-08-16 1968-04-30 Minnesota Mining & Mfg Reproduction of television signals from photographic disc recordings
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
US3711641A (en) * 1971-03-22 1973-01-16 Rca Corp Velocity adjusting system

Also Published As

Publication number Publication date
NO141137B (no) 1979-10-08
CA1005908A (en) 1977-02-22
BE807159A (fr) 1974-05-09
AT330258B (de) 1976-06-25
ATA939773A (de) 1975-09-15
BR7308761D0 (pt) 1974-09-05
DE2353673A1 (de) 1974-05-16
GB1452330A (en) 1976-10-13
DK134875C (ja) 1977-06-20
FR2327607B1 (ja) 1978-04-21
AU6231873A (en) 1975-05-15
NO141137C (no) 1980-01-16
DK134875B (da) 1977-01-31
DE2353673C2 (de) 1982-05-27
FR2327607A1 (fr) 1977-05-06
JPS50707A (ja) 1975-01-07
SE395558B (sv) 1977-08-15
NL7215306A (ja) 1974-05-14
JPS5531527B2 (ja) 1980-08-19
ZA738175B (en) 1975-05-28
IT999742B (it) 1976-03-10
CH588123A5 (ja) 1977-05-31

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