FR2452838A1 - Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede - Google Patents

Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede

Info

Publication number
FR2452838A1
FR2452838A1 FR7908091A FR7908091A FR2452838A1 FR 2452838 A1 FR2452838 A1 FR 2452838A1 FR 7908091 A FR7908091 A FR 7908091A FR 7908091 A FR7908091 A FR 7908091A FR 2452838 A1 FR2452838 A1 FR 2452838A1
Authority
FR
France
Prior art keywords
recorded
channel
signal
signals
sounds
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.)
Granted
Application number
FR7908091A
Other languages
English (en)
French (fr)
Other versions
FR2452838B1 (OSRAM
Inventor
Eric Spitz
Claude Tinet
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7908091A priority Critical patent/FR2452838A1/fr
Publication of FR2452838A1 publication Critical patent/FR2452838A1/fr
Application granted granted Critical
Publication of FR2452838B1 publication Critical patent/FR2452838B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals 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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • 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
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
FR7908091A 1979-03-30 1979-03-30 Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede Granted FR2452838A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7908091A FR2452838A1 (fr) 1979-03-30 1979-03-30 Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908091A FR2452838A1 (fr) 1979-03-30 1979-03-30 Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede

Publications (2)

Publication Number Publication Date
FR2452838A1 true FR2452838A1 (fr) 1980-10-24
FR2452838B1 FR2452838B1 (OSRAM) 1982-08-20

Family

ID=9223775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908091A Granted FR2452838A1 (fr) 1979-03-30 1979-03-30 Procede de diffusion d'un ensemble de signaux sonores, et appareil permettant de mettre en oeuvre ce procede

Country Status (1)

Country Link
FR (1) FR2452838A1 (OSRAM)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490389A1 (fr) * 1980-09-12 1982-03-19 Victor Company Of Japan Systeme de recherche a grande vitesse pour appareil de reproduction de supports d'enregistrement rotatifs
FR2500673A1 (fr) * 1981-02-26 1982-08-27 Victor Company Of Japan Support d'enregistrement rotatif et systeme d'enregistrement correspondant
FR2500675A1 (fr) * 1981-02-26 1982-08-27 Victor Company Of Japan Appareil permettant de reproduire ou lire un support d'enregistrement rotatif
WO1984003583A1 (en) * 1983-03-07 1984-09-13 Storage Technology Partners System for sensing the rotational position of a rotating disk having coarse seek tracks
FR2558630A1 (fr) * 1984-01-23 1985-07-26 Logivision Procede et dispositif d'enregistrement de donnees sur un support d'enregistrement tel qu'un disque numerique
EP0152142A3 (en) * 1984-02-10 1985-09-25 N.V. Philips' Gloeilampenfabrieken System for reproducing information from an optically readable record carrier, apparatus for use in said system, and record carrier for use in said system
US4819218A (en) * 1986-12-19 1989-04-04 Eastman Kodak Company Quasi-constant linear-velocity disk having corresponding radii of adjacent annular zones related by a rational number for distributing prerecorded indicia to form a coherent write clock signal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2261586A1 (OSRAM) * 1974-02-15 1975-09-12 Philips Nv
JPS5220812A (en) * 1975-08-11 1977-02-17 Casio Comput Co Ltd Recording system of information
US4056830A (en) * 1974-03-15 1977-11-01 Burroughs Corporation Utilizing data for transducer positioning
FR2397037A1 (fr) * 1977-07-08 1979-02-02 Ibm Enregistrement video sur disque et dispositif de lecture en portant application

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2261586A1 (OSRAM) * 1974-02-15 1975-09-12 Philips Nv
US4056830A (en) * 1974-03-15 1977-11-01 Burroughs Corporation Utilizing data for transducer positioning
JPS5220812A (en) * 1975-08-11 1977-02-17 Casio Comput Co Ltd Recording system of information
FR2397037A1 (fr) * 1977-07-08 1979-02-02 Ibm Enregistrement video sur disque et dispositif de lecture en portant application

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABJP/71 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490389A1 (fr) * 1980-09-12 1982-03-19 Victor Company Of Japan Systeme de recherche a grande vitesse pour appareil de reproduction de supports d'enregistrement rotatifs
FR2500673A1 (fr) * 1981-02-26 1982-08-27 Victor Company Of Japan Support d'enregistrement rotatif et systeme d'enregistrement correspondant
FR2500675A1 (fr) * 1981-02-26 1982-08-27 Victor Company Of Japan Appareil permettant de reproduire ou lire un support d'enregistrement rotatif
WO1984003583A1 (en) * 1983-03-07 1984-09-13 Storage Technology Partners System for sensing the rotational position of a rotating disk having coarse seek tracks
FR2558630A1 (fr) * 1984-01-23 1985-07-26 Logivision Procede et dispositif d'enregistrement de donnees sur un support d'enregistrement tel qu'un disque numerique
EP0152142A3 (en) * 1984-02-10 1985-09-25 N.V. Philips' Gloeilampenfabrieken System for reproducing information from an optically readable record carrier, apparatus for use in said system, and record carrier for use in said system
US4819218A (en) * 1986-12-19 1989-04-04 Eastman Kodak Company Quasi-constant linear-velocity disk having corresponding radii of adjacent annular zones related by a rational number for distributing prerecorded indicia to form a coherent write clock signal

Also Published As

Publication number Publication date
FR2452838B1 (OSRAM) 1982-08-20

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