FR696762A - Improvements to electro-acoustic devices - Google Patents

Improvements to electro-acoustic devices

Info

Publication number
FR696762A
FR696762A FR696762DA FR696762A FR 696762 A FR696762 A FR 696762A FR 696762D A FR696762D A FR 696762DA FR 696762 A FR696762 A FR 696762A
Authority
FR
France
Prior art keywords
electro
acoustic devices
acoustic
devices
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
Lucien Levy
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 FR696762A publication Critical patent/FR696762A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR696762D 1929-06-21 1929-06-21 Improvements to electro-acoustic devices Expired FR696762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR696762T 1929-06-21

Publications (1)

Publication Number Publication Date
FR696762A true FR696762A (en) 1931-01-07

Family

ID=9046781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696762D Expired FR696762A (en) 1929-06-21 1929-06-21 Improvements to electro-acoustic devices

Country Status (2)

Country Link
FR (1) FR696762A (en)
GB (1) GB353202A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118398B (en) * 1982-04-14 1986-04-03 Boaz Elieli Moving coil electroacoustic transducers

Also Published As

Publication number Publication date
GB353202A (en) 1931-07-23

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