FR1541577A - Video signal reproduction system - Google Patents

Video signal reproduction system

Info

Publication number
FR1541577A
FR1541577A FR125430A FR125430A FR1541577A FR 1541577 A FR1541577 A FR 1541577A FR 125430 A FR125430 A FR 125430A FR 125430 A FR125430 A FR 125430A FR 1541577 A FR1541577 A FR 1541577A
Authority
FR
France
Prior art keywords
video signal
reproduction system
signal reproduction
video
signal
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
FR125430A
Other languages
French (fr)
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.)
Gauss Electrophysics Inc
Original Assignee
Gauss Electrophysics Inc
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 Gauss Electrophysics Inc filed Critical Gauss Electrophysics Inc
Application granted granted Critical
Publication of FR1541577A publication Critical patent/FR1541577A/en
Expired legal-status Critical Current

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
    • G11B7/08—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
    • G11B7/0901—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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
FR125430A 1967-09-22 1967-10-23 Video signal reproduction system Expired FR1541577A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB43224/67A GB1153549A (en) 1967-09-22 1967-09-22 Servo-Controlled Playback Means for Records
DE1524850A DE1524850C3 (en) 1967-09-22 1967-10-17 Device for scanning signals recorded on a recording medium

Publications (1)

Publication Number Publication Date
FR1541577A true FR1541577A (en) 1968-10-04

Family

ID=25752668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR125430A Expired FR1541577A (en) 1967-09-22 1967-10-23 Video signal reproduction system

Country Status (4)

Country Link
DE (1) DE1524850C3 (en)
FR (1) FR1541577A (en)
GB (1) GB1153549A (en)
NL (1) NL6713395A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174353A5 (en) * 1972-02-29 1973-10-12 Thomson Csf
FR2198337A1 (en) * 1972-09-04 1974-03-29 Philips Nv

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL176315C (en) * 1976-05-12 1985-03-18 Philips Nv OPTICAL SCANNER.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174353A5 (en) * 1972-02-29 1973-10-12 Thomson Csf
FR2198337A1 (en) * 1972-09-04 1974-03-29 Philips Nv

Also Published As

Publication number Publication date
DE1524850A1 (en) 1971-04-01
GB1153549A (en) 1969-05-29
DE1524850B2 (en) 1973-08-09
NL6713395A (en) 1969-04-09
DE1524850C3 (en) 1974-04-25

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