FR569052A - Speaker device - Google Patents

Speaker device

Info

Publication number
FR569052A
FR569052A FR569052DA FR569052A FR 569052 A FR569052 A FR 569052A FR 569052D A FR569052D A FR 569052DA FR 569052 A FR569052 A FR 569052A
Authority
FR
France
Prior art keywords
speaker device
speaker
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)
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.)
GEORG SEIBT DR
Original Assignee
GEORG SEIBT DR
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 GEORG SEIBT DR filed Critical GEORG SEIBT DR
Application granted granted Critical
Publication of FR569052A publication Critical patent/FR569052A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR569052D 1923-07-26 1923-07-26 Speaker device Expired FR569052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR569052T 1923-07-26

Publications (1)

Publication Number Publication Date
FR569052A true FR569052A (en) 1924-04-07

Family

ID=8948897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR569052D Expired FR569052A (en) 1923-07-26 1923-07-26 Speaker device

Country Status (1)

Country Link
FR (1) FR569052A (en)

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