FR41990E - Method and apparatus for reproducing sound - Google Patents

Method and apparatus for reproducing sound

Info

Publication number
FR41990E
FR41990E FR41990DA FR41990E FR 41990 E FR41990 E FR 41990E FR 41990D A FR41990D A FR 41990DA FR 41990 E FR41990 E FR 41990E
Authority
FR
France
Prior art keywords
reproducing sound
reproducing
sound
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
Other languages
French (fr)
Inventor
Fernando Crudo
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
Application granted granted Critical
Publication of FR41990E publication Critical patent/FR41990E/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
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/251—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials dispersed in an organic matrix

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mathematical Physics (AREA)
FR41990D 1932-05-27 1932-05-27 Method and apparatus for reproducing sound Expired FR41990E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41990T 1932-05-27

Publications (1)

Publication Number Publication Date
FR41990E true FR41990E (en) 1933-05-04

Family

ID=8678103

Family Applications (2)

Application Number Title Priority Date Filing Date
FR41990D Expired FR41990E (en) 1932-05-27 1932-05-27 Method and apparatus for reproducing sound
FR737727D Expired FR737727A (en) 1932-05-27 1932-05-27 Method and apparatus for reproducing sound

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR737727D Expired FR737727A (en) 1932-05-27 1932-05-27 Method and apparatus for reproducing sound

Country Status (1)

Country Link
FR (2) FR41990E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559605A1 (en) * 1984-02-13 1985-08-16 Nouel Jean Marie PROCESS FOR PRODUCING DIGITAL RECORDINGS AND OBJECTS OBTAINED BY THIS PROCESS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559605A1 (en) * 1984-02-13 1985-08-16 Nouel Jean Marie PROCESS FOR PRODUCING DIGITAL RECORDINGS AND OBJECTS OBTAINED BY THIS PROCESS
EP0153226A1 (en) * 1984-02-13 1985-08-28 Jean-Marie Nouel Process for producing numerical recordings, and articles produced by that process

Also Published As

Publication number Publication date
FR737727A (en) 1932-12-15

Similar Documents

Publication Publication Date Title
FR805434A (en) Process for recording and reproducing sounds
FR41990E (en) Method and apparatus for reproducing sound
FR764896A (en) Electromagnetic device for recording and reproducing sounds
FR763748A (en) Method and apparatus for recording sounds
FR766770A (en) Method and apparatus for reproducing sound
FR768949A (en) Method and apparatus for recording sound
FR754657A (en) Apparatus for recording and reproducing sound
FR732809A (en) Process for recording and reproducing sounds
FR713595A (en) Method and apparatus for recording and reproducing sound
FR713816A (en) Methods and apparatus for recording and reproducing sound
FR732609A (en) Method and apparatus for recording and reproducing vibrations and in particular sounds
FR746431A (en) Apparatus for reproducing sounds recorded on discs
FR795152A (en) Improvements in methods and apparatus for recording and reproducing sound films
FR659864A (en) Methods and apparatus for reproducing sound
FR719022A (en) Improvements in methods and devices for modifying the length of phonograms for the reproduction of sounds
FR681303A (en) Method and apparatus for recording and reproducing sound
FR821906A (en) Method and apparatus for reproducing sound recordings on films
FR806569A (en) Method and apparatus for recording and reproducing sound
FR708232A (en) Method and apparatus for reproducing photographic sound recordings
FR763888A (en) Improvements in apparatus for reproducing sound films
FR830945A (en) Apparatus for reproducing sound films
FR697465A (en) Apparatus for reproducing sounds recorded on films
FR709383A (en) Improvements in methods and apparatus for reproducing sound
FR669637A (en) Method and apparatus for reproducing sounds recorded on sound films
FR718410A (en) Method and apparatus for recording and reproducing images and their accompanying sound