FR528121A - Téléphone électrostatique à condensateur - Google Patents

Téléphone électrostatique à condensateur

Info

Publication number
FR528121A
FR528121A FR528121A FR528121DA FR528121A FR 528121 A FR528121 A FR 528121A FR 528121 A FR528121 A FR 528121A FR 528121D A FR528121D A FR 528121DA FR 528121 A FR528121 A FR 528121A
Authority
FR
France
Prior art keywords
electrostatic condenser
telephone
condenser telephone
electrostatic
condenser
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
FR528121A
Other languages
English (en)
Inventor
Michel-Francois Peri
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.)
MICHEL FRANCOIS PERI
Original Assignee
MICHEL FRANCOIS PERI
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 MICHEL FRANCOIS PERI filed Critical MICHEL FRANCOIS PERI
Application granted granted Critical
Publication of FR528121A publication Critical patent/FR528121A/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
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR528121A 1916-02-10 1916-02-10 Téléphone électrostatique à condensateur Expired FR528121A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR528121T 1916-02-10

Publications (1)

Publication Number Publication Date
FR528121A true FR528121A (fr) 1921-11-07

Family

ID=8921804

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528121A Expired FR528121A (fr) 1916-02-10 1916-02-10 Téléphone électrostatique à condensateur

Country Status (1)

Country Link
FR (1) FR528121A (fr)

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