FR662693A - Musical vibration transformer - Google Patents

Musical vibration transformer

Info

Publication number
FR662693A
FR662693A FR662693DA FR662693A FR 662693 A FR662693 A FR 662693A FR 662693D A FR662693D A FR 662693DA FR 662693 A FR662693 A FR 662693A
Authority
FR
France
Prior art keywords
vibration transformer
musical
musical vibration
transformer
vibration
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
Jules-Francois Jouffray
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 FR662693A publication Critical patent/FR662693A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Auxiliary Devices For Music (AREA)
FR662693D 1928-10-12 1928-10-12 Musical vibration transformer Expired FR662693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR662693T 1928-10-12

Publications (1)

Publication Number Publication Date
FR662693A true FR662693A (en) 1929-08-09

Family

ID=9011645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR662693D Expired FR662693A (en) 1928-10-12 1928-10-12 Musical vibration transformer

Country Status (3)

Country Link
BE (1) BE364298A (en)
FR (1) FR662693A (en)
GB (1) GB333796A (en)

Also Published As

Publication number Publication date
GB333796A (en) 1930-08-21
BE364298A (en)

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