FR503003A - Capacitor with variable capacity under the influence of a microphone current - Google Patents

Capacitor with variable capacity under the influence of a microphone current

Info

Publication number
FR503003A
FR503003A FR503003A FR503003DA FR503003A FR 503003 A FR503003 A FR 503003A FR 503003 A FR503003 A FR 503003A FR 503003D A FR503003D A FR 503003DA FR 503003 A FR503003 A FR 503003A
Authority
FR
France
Prior art keywords
capacitor
influence
variable capacity
capacity under
microphone current
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
FR503003A
Other languages
French (fr)
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR503003A publication Critical patent/FR503003A/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
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR503003A 1916-08-28 1916-08-28 Capacitor with variable capacity under the influence of a microphone current Expired FR503003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR503003T 1916-08-28

Publications (1)

Publication Number Publication Date
FR503003A true FR503003A (en) 1920-06-01

Family

ID=8906798

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503003A Expired FR503003A (en) 1916-08-28 1916-08-28 Capacitor with variable capacity under the influence of a microphone current

Country Status (1)

Country Link
FR (1) FR503003A (en)

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