FR659864A - Methods and apparatus for reproducing sound - Google Patents

Methods and apparatus for reproducing sound

Info

Publication number
FR659864A
FR659864A FR659864DA FR659864A FR 659864 A FR659864 A FR 659864A FR 659864D A FR659864D A FR 659864DA FR 659864 A FR659864 A FR 659864A
Authority
FR
France
Prior art keywords
methods
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
Pierre Toulon
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR659864A publication Critical patent/FR659864A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/03—Instruments in which the tones are generated by electromechanical means using pick-up means for reading recorded waves, e.g. on rotating discs drums, tapes or wires
    • G10H3/06—Instruments in which the tones are generated by electromechanical means using pick-up means for reading recorded waves, e.g. on rotating discs drums, tapes or wires using photoelectric pick-up means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR659864D 1927-12-22 1927-12-22 Methods and apparatus for reproducing sound Expired FR659864A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR659864T 1927-12-22

Publications (1)

Publication Number Publication Date
FR659864A true FR659864A (en) 1929-07-04

Family

ID=9009914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR659864D Expired FR659864A (en) 1927-12-22 1927-12-22 Methods and apparatus for reproducing sound

Country Status (1)

Country Link
FR (1) FR659864A (en)

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