FR576123A - Tympan - Google Patents

Tympan

Info

Publication number
FR576123A
FR576123A FR576123DA FR576123A FR 576123 A FR576123 A FR 576123A FR 576123D A FR576123D A FR 576123DA FR 576123 A FR576123 A FR 576123A
Authority
FR
France
Prior art keywords
ear
drum
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.)
CIE GENERALE DES MACHINES PARL
Original Assignee
CIE GENERALE DES MACHINES PARL
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 CIE GENERALE DES MACHINES PARL filed Critical CIE GENERALE DES MACHINES PARL
Application granted granted Critical
Publication of FR576123A publication Critical patent/FR576123A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR576123D 1924-01-21 1924-01-21 Tympan Expired FR576123A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR576123T 1924-01-21

Publications (1)

Publication Number Publication Date
FR576123A true FR576123A (fr) 1924-08-11

Family

ID=8953857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR576123D Expired FR576123A (fr) 1924-01-21 1924-01-21 Tympan

Country Status (1)

Country Link
FR (1) FR576123A (fr)

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