FR1407123A - Device forming a loudspeaker or the like with a voice coil chemically etched in a metal foil and its various applications - Google Patents

Device forming a loudspeaker or the like with a voice coil chemically etched in a metal foil and its various applications

Info

Publication number
FR1407123A
FR1407123A FR978146A FR978146A FR1407123A FR 1407123 A FR1407123 A FR 1407123A FR 978146 A FR978146 A FR 978146A FR 978146 A FR978146 A FR 978146A FR 1407123 A FR1407123 A FR 1407123A
Authority
FR
France
Prior art keywords
loudspeaker
metal foil
voice coil
various applications
device forming
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
FR978146A
Other languages
French (fr)
Inventor
Wolfgang Felix Ewald
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
Priority to FR978146A priority Critical patent/FR1407123A/en
Priority claimed from GB2487064A external-priority patent/GB1045807A/en
Application granted granted Critical
Publication of FR1407123A publication Critical patent/FR1407123A/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
    • 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
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR978146A 1964-06-12 1964-06-12 Device forming a loudspeaker or the like with a voice coil chemically etched in a metal foil and its various applications Expired FR1407123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR978146A FR1407123A (en) 1964-06-12 1964-06-12 Device forming a loudspeaker or the like with a voice coil chemically etched in a metal foil and its various applications

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR978146A FR1407123A (en) 1964-06-12 1964-06-12 Device forming a loudspeaker or the like with a voice coil chemically etched in a metal foil and its various applications
GB2487064A GB1045807A (en) 1964-06-16 1964-06-16 Loudspeaker

Publications (1)

Publication Number Publication Date
FR1407123A true FR1407123A (en) 1965-07-30

Family

ID=26208301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978146A Expired FR1407123A (en) 1964-06-12 1964-06-12 Device forming a loudspeaker or the like with a voice coil chemically etched in a metal foil and its various applications

Country Status (1)

Country Link
FR (1) FR1407123A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001128A1 (en) * 1978-11-16 1980-05-29 Audax Electro acoustic transducer
EP0296139A2 (en) * 1987-06-18 1988-12-21 Highwood Audio Inc. Audio transducer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001128A1 (en) * 1978-11-16 1980-05-29 Audax Electro acoustic transducer
FR2441980A1 (en) * 1978-11-16 1980-06-13 Audax ELECTRO-ACOUSTIC TRANSDUCER
EP0296139A2 (en) * 1987-06-18 1988-12-21 Highwood Audio Inc. Audio transducer
EP0296139A3 (en) * 1987-06-18 1991-03-27 Highwood Audio Inc. Audio transducer

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