FR13722E - Perfectionnement aux diaphragmes de machines parlantes - Google Patents

Perfectionnement aux diaphragmes de machines parlantes

Info

Publication number
FR13722E
FR13722E FR13722DA FR13722E FR 13722 E FR13722 E FR 13722E FR 13722D A FR13722D A FR 13722DA FR 13722 E FR13722 E FR 13722E
Authority
FR
France
Prior art keywords
advanced training
diaphragms
speaking machine
speaking
machine diaphragms
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
Andre Rivoire
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 FR13722E publication Critical patent/FR13722E/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
    • H04R7/04—Plane diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR13722D 1910-12-06 1911-01-19 Perfectionnement aux diaphragmes de machines parlantes Expired FR13722E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR423361T 1910-12-06
FR13722T 1911-01-19

Publications (1)

Publication Number Publication Date
FR13722E true FR13722E (fr) 1911-06-17

Family

ID=1355745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR13722D Expired FR13722E (fr) 1910-12-06 1911-01-19 Perfectionnement aux diaphragmes de machines parlantes

Country Status (1)

Country Link
FR (1) FR13722E (fr)

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