FR401501A - Acoustic diaphragm - Google Patents

Acoustic diaphragm

Info

Publication number
FR401501A
FR401501A FR401501DA FR401501A FR 401501 A FR401501 A FR 401501A FR 401501D A FR401501D A FR 401501DA FR 401501 A FR401501 A FR 401501A
Authority
FR
France
Prior art keywords
acoustic diaphragm
diaphragm
acoustic
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
Louis Lumiere
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR401501A publication Critical patent/FR401501A/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
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR401501D 1908-07-25 1908-07-25 Acoustic diaphragm Expired FR401501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR401501T 1908-07-25

Publications (1)

Publication Number Publication Date
FR401501A true FR401501A (en) 1909-09-01

Family

ID=1446301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR401501D Expired FR401501A (en) 1908-07-25 1908-07-25 Acoustic diaphragm

Country Status (1)

Country Link
FR (1) FR401501A (en)

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