FR844211A - Improvements to sound reproducing devices such as loudspeakers - Google Patents

Improvements to sound reproducing devices such as loudspeakers

Info

Publication number
FR844211A
FR844211A FR844211DA FR844211A FR 844211 A FR844211 A FR 844211A FR 844211D A FR844211D A FR 844211DA FR 844211 A FR844211 A FR 844211A
Authority
FR
France
Prior art keywords
loudspeakers
sound reproducing
reproducing devices
devices
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
Charles Tourne
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 FR844211A publication Critical patent/FR844211A/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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR844211D 1938-03-31 1938-03-31 Improvements to sound reproducing devices such as loudspeakers Expired FR844211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844211T 1938-03-31

Publications (1)

Publication Number Publication Date
FR844211A true FR844211A (en) 1939-07-20

Family

ID=9312326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844211D Expired FR844211A (en) 1938-03-31 1938-03-31 Improvements to sound reproducing devices such as loudspeakers

Country Status (1)

Country Link
FR (1) FR844211A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992001359A1 (en) * 1990-07-11 1992-01-23 Harman International Industries, Incorporated Loudspeaker suspension
AT396859B (en) * 1990-10-25 1993-12-27 Ennemoser Dieter MEMBRANE FOR AN ELECTRO-ACOUSTIC TRANSFORMER WITH A CONTINUOUS CHANGE OF THE OPENING ANGLE FOR THE ADAPTATION TO THE HEARING FUNCTION

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992001359A1 (en) * 1990-07-11 1992-01-23 Harman International Industries, Incorporated Loudspeaker suspension
US5123053A (en) * 1990-07-11 1992-06-16 Harman International Industries, Incorporated Loudspeaker suspension
AU641039B2 (en) * 1990-07-11 1993-09-09 Harman International Industries Incorporated Loudspeaker suspension
AT396859B (en) * 1990-10-25 1993-12-27 Ennemoser Dieter MEMBRANE FOR AN ELECTRO-ACOUSTIC TRANSFORMER WITH A CONTINUOUS CHANGE OF THE OPENING ANGLE FOR THE ADAPTATION TO THE HEARING FUNCTION

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