FR425773A - New telephone transmitter system - Google Patents

New telephone transmitter system

Info

Publication number
FR425773A
FR425773A FR425773DA FR425773A FR 425773 A FR425773 A FR 425773A FR 425773D A FR425773D A FR 425773DA FR 425773 A FR425773 A FR 425773A
Authority
FR
France
Prior art keywords
transmitter system
new telephone
telephone transmitter
new
transmitter
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
Joseph-Michel Anizan
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.)
JOSEPH-MICHEL ANIZAN
Original Assignee
JOSEPH-MICHEL ANIZAN
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 JOSEPH-MICHEL ANIZAN filed Critical JOSEPH-MICHEL ANIZAN
Application granted granted Critical
Publication of FR425773A publication Critical patent/FR425773A/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
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR425773D 1910-04-12 1910-04-12 New telephone transmitter system Expired FR425773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR425773T 1910-04-12

Publications (1)

Publication Number Publication Date
FR425773A true FR425773A (en) 1911-06-20

Family

ID=1468403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR425773D Expired FR425773A (en) 1910-04-12 1910-04-12 New telephone transmitter system

Country Status (1)

Country Link
FR (1) FR425773A (en)

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