FR31494E - Système de diaphragme acoustique - Google Patents

Système de diaphragme acoustique

Info

Publication number
FR31494E
FR31494E FR31494DA FR31494E FR 31494 E FR31494 E FR 31494E FR 31494D A FR31494D A FR 31494DA FR 31494 E FR31494 E FR 31494E
Authority
FR
France
Prior art keywords
acoustic diaphragm
diaphragm system
acoustic
diaphragm
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
Louis Lumiere
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 FR31494E publication Critical patent/FR31494E/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; ELECTRIC HEARING AIDS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R7/22—Clamping rim of diaphragm or cone against seating

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR31494D 1925-08-01 1925-09-28 Système de diaphragme acoustique Expired FR31494E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR613906T 1925-08-01
FR31494T 1925-09-28

Publications (1)

Publication Number Publication Date
FR31494E true FR31494E (fr) 1927-03-14

Family

ID=26182618

Family Applications (2)

Application Number Title Priority Date Filing Date
FR613906D Expired FR613906A (fr) 1925-08-01 1925-08-01 Système de diaphragme acoustique
FR31494D Expired FR31494E (fr) 1925-08-01 1925-09-28 Système de diaphragme acoustique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR613906D Expired FR613906A (fr) 1925-08-01 1925-08-01 Système de diaphragme acoustique

Country Status (2)

Country Link
FR (2) FR613906A (fr)
GB (2) GB256252A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843091U (ja) * 1981-09-17 1983-03-23 澤藤　正 電気音響変換器用振動板

Also Published As

Publication number Publication date
GB258842A (en) 1927-01-27
GB256252A (en) 1927-01-27
FR613906A (fr) 1926-12-02

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