FR42803E - Perfectionnements aux haut-parleurs - Google Patents

Perfectionnements aux haut-parleurs

Info

Publication number
FR42803E
FR42803E FR42803DA FR42803E FR 42803 E FR42803 E FR 42803E FR 42803D A FR42803D A FR 42803DA FR 42803 E FR42803 E FR 42803E
Authority
FR
France
Prior art keywords
enhancements
loudspeaker
loudspeaker enhancements
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
English (en)
Inventor
Joseph-Louis Routin
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 FR42803E publication Critical patent/FR42803E/fr
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
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
FR42803D 1933-05-16 1932-06-06 Perfectionnements aux haut-parleurs Expired FR42803E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR43928T 1933-05-16

Publications (1)

Publication Number Publication Date
FR42803E true FR42803E (fr) 1933-11-04

Family

ID=8679844

Family Applications (3)

Application Number Title Priority Date Filing Date
FR750045D Expired FR750045A (fr) 1933-05-16 1932-04-23 Perfectionnements aux haut-parleurs
FR42803D Expired FR42803E (fr) 1933-05-16 1932-06-06 Perfectionnements aux haut-parleurs
FR43928D Expired FR43928E (fr) 1933-05-16 1933-05-16 Perfectionnements aux haut-parleurs

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR750045D Expired FR750045A (fr) 1933-05-16 1932-04-23 Perfectionnements aux haut-parleurs

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR43928D Expired FR43928E (fr) 1933-05-16 1933-05-16 Perfectionnements aux haut-parleurs

Country Status (1)

Country Link
FR (3) FR750045A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236958A (en) * 1961-04-25 1966-02-22 Electronic Res Associates Inc Loudspeaker system
US4235302A (en) * 1977-03-15 1980-11-25 Kenkichi Tsukamoto Loudspeaker
US4239090A (en) * 1979-03-29 1980-12-16 Dahlquist Jon G High accuracy bass reproducer device
US4590333A (en) * 1984-06-14 1986-05-20 John Strohbeen Multidriver loudspeaker

Also Published As

Publication number Publication date
FR43928E (fr) 1934-09-19
FR750045A (fr) 1933-08-03

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