FR714232A - Electromagnetic speaker - Google Patents

Electromagnetic speaker

Info

Publication number
FR714232A
FR714232A FR714232DA FR714232A FR 714232 A FR714232 A FR 714232A FR 714232D A FR714232D A FR 714232DA FR 714232 A FR714232 A FR 714232A
Authority
FR
France
Prior art keywords
electromagnetic speaker
speaker
electromagnetic
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
Eugene-Alexandre Huguenard
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 FR714232A publication Critical patent/FR714232A/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
    • 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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR714232D 1930-06-30 1930-06-30 Electromagnetic speaker Expired FR714232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714232T 1930-06-30

Publications (1)

Publication Number Publication Date
FR714232A true FR714232A (en) 1931-11-10

Family

ID=9086407

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714232D Expired FR714232A (en) 1930-06-30 1930-06-30 Electromagnetic speaker

Country Status (1)

Country Link
FR (1) FR714232A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE907535C (en) * 1937-03-19 1954-03-25 Erich Thienhaus Dr Ing Loudspeaker with a damping device placed in the immediate vicinity of the membrane surface due to the amplitudes of the membrane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE907535C (en) * 1937-03-19 1954-03-25 Erich Thienhaus Dr Ing Loudspeaker with a damping device placed in the immediate vicinity of the membrane surface due to the amplitudes of the membrane

Similar Documents

Publication Publication Date Title
FR690527A (en) Electrostatic speaker
FR714232A (en) Electromagnetic speaker
FR39969E (en) Electromagnetic horn
FR723054A (en) Magnetic telecompass
FR703715A (en) Electrostatic speaker
ES121780A1 (en) ELECTROSTATIC SPEAKER
FR38670E (en) Advanced microphone
FR688427A (en) Advanced microphone
FR690965A (en) Loud speaker
DK45448C (en) Speaker.
DK45640C (en) Speaker.
FR693819A (en) Doorbell
FR711807A (en) Electro-static loudspeaker
FR38202E (en) Mixer-divider
FI12868A (en) Medels tryckknappar påverkad strömbrytare
FI13022A (en) Hyveljärn
FI13230A (en) Handgranat
FI13229A (en) Övningsfallbomb
FI13228A (en) Fönsterregulator
FI13227A (en) Dörrlåsbeslag
FI13193A (en) Värmeutbytesapparat
FI13171A (en) Vindskydd
FI13167A (en) Eldsläckningspump
FI13157A (en) Katiska
FI13147A (en) Mätkanann