FR724151A - Perfectionnements aux dispositifs traducteurs du son - Google Patents

Perfectionnements aux dispositifs traducteurs du son

Info

Publication number
FR724151A
FR724151A FR724151DA FR724151A FR 724151 A FR724151 A FR 724151A FR 724151D A FR724151D A FR 724151DA FR 724151 A FR724151 A FR 724151A
Authority
FR
France
Prior art keywords
sound translator
translator devices
devices
sound
translator
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR724151A publication Critical patent/FR724151A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • 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
    • H04R9/043—Inner suspension or damper, e.g. spider

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR724151D 1930-10-04 1931-10-01 Perfectionnements aux dispositifs traducteurs du son Expired FR724151A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US486381A US1895441A (en) 1930-10-04 1930-10-04 Sound translating device

Publications (1)

Publication Number Publication Date
FR724151A true FR724151A (fr) 1932-04-22

Family

ID=23931661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724151D Expired FR724151A (fr) 1930-10-04 1931-10-01 Perfectionnements aux dispositifs traducteurs du son

Country Status (2)

Country Link
US (1) US1895441A (fr)
FR (1) FR724151A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969535C (de) * 1942-04-14 1958-06-12 Siemens Ag Schwingsystem mit aus Polyvinylchloridfolie bestehender Membran
US3935402A (en) * 1973-07-25 1976-01-27 Ohm Acoustics Corporation Loudspeaker voice coil arrangement

Also Published As

Publication number Publication date
US1895441A (en) 1933-01-31

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