FR1152433A - Perfectionnement aux haut-parleurs - Google Patents

Perfectionnement aux haut-parleurs

Info

Publication number
FR1152433A
FR1152433A FR1152433DA FR1152433A FR 1152433 A FR1152433 A FR 1152433A FR 1152433D A FR1152433D A FR 1152433DA FR 1152433 A FR1152433 A FR 1152433A
Authority
FR
France
Prior art keywords
speaker training
speaker
training
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)
Inventor
Paul Bouyer
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 filed Critical
Application granted granted Critical
Publication of FR1152433A publication Critical patent/FR1152433A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1152433D 1956-06-20 1956-06-20 Perfectionnement aux haut-parleurs Expired FR1152433A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1152433T 1956-06-20

Publications (1)

Publication Number Publication Date
FR1152433A true FR1152433A (fr) 1958-02-17

Family

ID=9648392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1152433D Expired FR1152433A (fr) 1956-06-20 1956-06-20 Perfectionnement aux haut-parleurs

Country Status (1)

Country Link
FR (1) FR1152433A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129320A1 (fr) * 1983-06-16 1984-12-27 Northern Telecom Limited Enceinte de haut-parleur pour terminaux de communication vocales
US4845760A (en) * 1985-10-25 1989-07-04 Siemens Aktiengesellschaft Electro-acoustic transducer arranged within the handset of a telephone instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129320A1 (fr) * 1983-06-16 1984-12-27 Northern Telecom Limited Enceinte de haut-parleur pour terminaux de communication vocales
US4845760A (en) * 1985-10-25 1989-07-04 Siemens Aktiengesellschaft Electro-acoustic transducer arranged within the handset of a telephone instrument

Similar Documents

Publication Publication Date Title
FR1145600A (fr) Perfectionnements aux pneumatiques
FR1160337A (fr) Perfectionnements aux sièges
FR1145543A (fr) Perfectionnements aux silencieux
FR1172254A (fr) Perfectionnements aux hélicoptères
FR1152433A (fr) Perfectionnement aux haut-parleurs
FR1142678A (fr) Perfectionnements aux pinces-preneuses
FR1142340A (fr) Perfectionnement aux constructions métalliques
FR1235315A (fr) Perfectionnement aux moissonneuses
FR1151742A (fr) Perfectionnement aux haut-parleurs
FR1157069A (fr) Perfectionnement aux haut-parleurs
FR1176709A (fr) Perfectionnement aux sous-marins
FR1147277A (fr) Perfectionnement aux wassingues
FR1181269A (fr) Perfectionnement aux étuveurs
FR1152251A (fr) Perfectionnement aux étagères
FR1159650A (fr) Perfectionnements aux chaluts
FR1123186A (fr) Perfectionnement aux moissonneuses
FR1158789A (fr) Perfectionnement aux crépines
FR1165218A (fr) Perfectionnements aux jouets
FR1175725A (fr) Perfectionnements aux transporteurs
FR1163299A (fr) Perfectionnement aux sous-marins
FR1175548A (fr) Perfectionnement aux éjecteurs
FR69406E (fr) Amplificateur sonore
FR1146810A (fr) Perfectionnements aux boucles
FR1142071A (fr) Perfectionnements aux haut-parleurs
FR1160440A (fr) Perfectionnements aux haut-parleurs