FR1415354A - Method and optical device for high fidelity sound reproduction - Google Patents

Method and optical device for high fidelity sound reproduction

Info

Publication number
FR1415354A
FR1415354A FR997049A FR997049A FR1415354A FR 1415354 A FR1415354 A FR 1415354A FR 997049 A FR997049 A FR 997049A FR 997049 A FR997049 A FR 997049A FR 1415354 A FR1415354 A FR 1415354A
Authority
FR
France
Prior art keywords
optical device
sound reproduction
high fidelity
fidelity sound
reproduction
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
FR997049A
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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
Priority claimed from US328642A external-priority patent/US3359376A/en
Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA
Priority to FR997049A priority Critical patent/FR1415354A/en
Application granted granted Critical
Publication of FR1415354A publication Critical patent/FR1415354A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085Pits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C17/00Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/005Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards with a storage element common to a large number of data, e.g. perforated card
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/14Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
FR997049A 1963-12-06 1964-12-02 Method and optical device for high fidelity sound reproduction Expired FR1415354A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR997049A FR1415354A (en) 1963-12-06 1964-12-02 Method and optical device for high fidelity sound reproduction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US328642A US3359376A (en) 1963-12-06 1963-12-06 Optical high-fidelity player arrangement
FR997049A FR1415354A (en) 1963-12-06 1964-12-02 Method and optical device for high fidelity sound reproduction

Publications (1)

Publication Number Publication Date
FR1415354A true FR1415354A (en) 1965-10-22

Family

ID=26211475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997049A Expired FR1415354A (en) 1963-12-06 1964-12-02 Method and optical device for high fidelity sound reproduction

Country Status (1)

Country Link
FR (1) FR1415354A (en)

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