FR517011A - Diaphragme pour machines parlantes - Google Patents

Diaphragme pour machines parlantes

Info

Publication number
FR517011A
FR517011A FR517011A FR517011DA FR517011A FR 517011 A FR517011 A FR 517011A FR 517011 A FR517011 A FR 517011A FR 517011D A FR517011D A FR 517011DA FR 517011 A FR517011 A FR 517011A
Authority
FR
France
Prior art keywords
diaphragm
talking machines
talking
machines
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
FR517011A
Other languages
English (en)
Inventor
Walter Opel
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 FR517011A publication Critical patent/FR517011A/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Vibration Prevention Devices (AREA)
FR517011A 1914-04-03 1920-06-11 Diaphragme pour machines parlantes Expired FR517011A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE517011X 1914-04-03

Publications (1)

Publication Number Publication Date
FR517011A true FR517011A (fr) 1921-04-29

Family

ID=6549439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517011A Expired FR517011A (fr) 1914-04-03 1920-06-11 Diaphragme pour machines parlantes

Country Status (2)

Country Link
CH (1) CH89425A (fr)
FR (1) FR517011A (fr)

Also Published As

Publication number Publication date
CH89425A (de) 1921-05-16

Similar Documents

Publication Publication Date Title
FR517011A (fr) Diaphragme pour machines parlantes
FR443172A (fr) Diaphragme pour machines parlantes
FR473213A (fr) Diaphragme pour phonographe
FR474153A (fr) Diaphragme pour phonographe
FR448197A (fr) Diaphragme pour machines parlantes
FR414134A (fr) Diaphragme pour machines parlantes
FR485239A (fr) Protecteur pour écouteurs téléphoniques
FR476646A (fr) Mécanisme répétiteur pour machines parlantes
FR430392A (fr) Diaphragme reproducteur pour machines parlantes à disques
FR418297A (fr) Diaphragme perfectionné pour phonographe
FR471032A (fr) Reproducteur pour machines parlantes
FR400111A (fr) Diaphragme pour machine parlante
FR458533A (fr) Nouveau diaphragme pour phonographes
FR419805A (fr) Membranes pour téléphones
FR471712A (fr) Cinéma-parlant pour longues auditions
CH70789A (fr) Style pour machine parlante
FR18726E (fr) Mécanisme pour poupée parlante
FR459095A (fr) Mécanisme pour poupée parlante
FR515593A (fr) Diaphragme pour éléments électrolytiques
CH57085A (fr) Vibrateur pour machines parlantes
FR433944A (fr) Accessoire pour machines parlantes
FR540141A (fr) Bras acoustique pour machines parlantes
FR450959A (fr) Diaphragme à aiguilles multiples pour phonographes
CH69017A (de) Sprechmaschine
CH70171A (de) Sprechmaschine