FR336609A - Improvements to the membranes of graphophones and other instruments for the reproduction of voice and sounds - Google Patents

Improvements to the membranes of graphophones and other instruments for the reproduction of voice and sounds

Info

Publication number
FR336609A
FR336609A FR336609DA FR336609A FR 336609 A FR336609 A FR 336609A FR 336609D A FR336609D A FR 336609DA FR 336609 A FR336609 A FR 336609A
Authority
FR
France
Prior art keywords
graphophones
sounds
membranes
reproduction
instruments
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
Arturo Camillo Piccinini
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 FR336609A publication Critical patent/FR336609A/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
    • H04R7/16—Mounting or tensioning of diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR336609D 1903-10-28 1903-10-28 Improvements to the membranes of graphophones and other instruments for the reproduction of voice and sounds Expired FR336609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR336609T 1903-10-28

Publications (1)

Publication Number Publication Date
FR336609A true FR336609A (en) 1904-03-14

Family

ID=1386015

Family Applications (1)

Application Number Title Priority Date Filing Date
FR336609D Expired FR336609A (en) 1903-10-28 1903-10-28 Improvements to the membranes of graphophones and other instruments for the reproduction of voice and sounds

Country Status (1)

Country Link
FR (1) FR336609A (en)

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