FR30461E - Microphone à membrane vibrante non rigide - Google Patents

Microphone à membrane vibrante non rigide

Info

Publication number
FR30461E
FR30461E FR30461DA FR30461E FR 30461 E FR30461 E FR 30461E FR 30461D A FR30461D A FR 30461DA FR 30461 E FR30461 E FR 30461E
Authority
FR
France
Prior art keywords
vibrating diaphragm
diaphragm microphone
rigid vibrating
rigid
microphone
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)
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 des Etablissements Gaumont
Original Assignee
Societe des Etablissements Gaumont
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 des Etablissements Gaumont filed Critical Societe des Etablissements Gaumont
Application granted granted Critical
Publication of FR30461E publication Critical patent/FR30461E/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
FR30461D 1925-01-10 1925-01-10 Microphone à membrane vibrante non rigide Expired FR30461E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR30461T 1925-01-10

Publications (1)

Publication Number Publication Date
FR30461E true FR30461E (fr) 1926-07-17

Family

ID=8668369

Family Applications (3)

Application Number Title Priority Date Filing Date
FR577396D Expired FR577396A (fr) 1925-01-10 1923-04-18 Microphone à membrane vibrante non rigide
FR30085D Expired FR30085E (fr) 1925-01-10 1924-09-09 Microphone à membrane vibrante non rigide
FR30461D Expired FR30461E (fr) 1925-01-10 1925-01-10 Microphone à membrane vibrante non rigide

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR577396D Expired FR577396A (fr) 1925-01-10 1923-04-18 Microphone à membrane vibrante non rigide
FR30085D Expired FR30085E (fr) 1925-01-10 1924-09-09 Microphone à membrane vibrante non rigide

Country Status (1)

Country Link
FR (3) FR577396A (fr)

Also Published As

Publication number Publication date
FR577396A (fr) 1924-09-04
FR30085E (fr) 1926-01-26

Similar Documents

Publication Publication Date Title
FR692281A (fr) Diaphragme accoustique perfectionné
FR30461E (fr) Microphone à membrane vibrante non rigide
FR616148A (fr) Haut-parleur du type à diaphragme conique
FR602152A (fr) Perfectionnements aux pompes alternatives à membranes
FR616504A (fr) Haut-parleur à diaphragme conique
FR551314A (fr) Compresseur à diaphragme
FR632361A (fr) Pompe à membrane
FR571050A (fr) Robinet à membrane élastique
FR562668A (fr) Robinet à membrane élastique
FR630507A (fr) Compresseur rotatif à membranes
FR30326E (fr) Cornet avertisseur à membrane vibrante
FR29963E (fr) Cornet avertisseur à membrane vibrante
FR31505E (fr) Perfectionnements apportés aux pompes à membrane
FR613906A (fr) Système de diaphragme acoustique
FR600237A (fr) Perfectionnements aux pompes à diaphragme
FR689893A (fr) Compresseur à membrane
FR621452A (fr) Instrument acoustique
FR31228E (fr) Perfectionnement aux compresseurs à membrane
FR653187A (fr) Haut-parleur à membrane semi-rigide
FR613530A (fr) Perfectionnements apportés aux pompes à membrane
FR576956A (fr) Cornet avertisseur à membrane vibrante
FR651182A (fr) Diaphragme acoustique
FR611086A (fr) Obturateur à diaphragme
DK36030C (da) Diafragma til akustiske Instrumenter.
DK33416C (da) Diafragma til akustiske Instrumenter.