FR734921A - Vibrating membrane - Google Patents

Vibrating membrane

Info

Publication number
FR734921A
FR734921A FR734921DA FR734921A FR 734921 A FR734921 A FR 734921A FR 734921D A FR734921D A FR 734921DA FR 734921 A FR734921 A FR 734921A
Authority
FR
France
Prior art keywords
vibrating membrane
vibrating
membrane
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)
Inventor
Hans Vogt
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 FR734921A publication Critical patent/FR734921A/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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/08—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers separated by air or other fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR734921D 1931-04-30 1932-04-09 Vibrating membrane Expired FR734921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE734921X 1931-04-30

Publications (1)

Publication Number Publication Date
FR734921A true FR734921A (en) 1932-10-31

Family

ID=6641994

Family Applications (1)

Application Number Title Priority Date Filing Date
FR734921D Expired FR734921A (en) 1931-04-30 1932-04-09 Vibrating membrane

Country Status (1)

Country Link
FR (1) FR734921A (en)

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