FR711055A - Perfectionnements apportés aux haut-parleurs - Google Patents

Perfectionnements apportés aux haut-parleurs

Info

Publication number
FR711055A
FR711055A FR711055DA FR711055A FR 711055 A FR711055 A FR 711055A FR 711055D A FR711055D A FR 711055DA FR 711055 A FR711055 A FR 711055A
Authority
FR
France
Prior art keywords
speakers
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR711055A publication Critical patent/FR711055A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR711055D 1930-08-14 1931-02-12 Perfectionnements apportés aux haut-parleurs Expired FR711055A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US475233A US1866361A (en) 1930-08-14 1930-08-14 Driving unit for loud-speakers

Publications (1)

Publication Number Publication Date
FR711055A true FR711055A (fr) 1931-09-02

Family

ID=23886746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR711055D Expired FR711055A (fr) 1930-08-14 1931-02-12 Perfectionnements apportés aux haut-parleurs

Country Status (3)

Country Link
US (1) US1866361A (cs)
DE (1) DE623800C (cs)
FR (1) FR711055A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429068A (en) * 1945-01-01 1947-10-14 Gen Electric Double disc eddy current loud-speaker
US2621261A (en) * 1949-04-21 1952-12-09 Ericsson Telefon Ab L M Electroacoustic converter
US2927227A (en) * 1955-05-16 1960-03-01 Atvidabergs Ind Ab Electrodynamic driving devices and recording apparatus incorporating such devices
DE1280324B (de) * 1965-02-17 1968-10-17 Paul Mauz Dynamischer elektro-akustischer Wandler

Also Published As

Publication number Publication date
US1866361A (en) 1932-07-05
DE623800C (cs)

Similar Documents

Publication Publication Date Title
FR715100A (fr) Perfectionnements aux haut-parleurs
FR712387A (fr) Perfectionnements aux haut-parleurs
FR708283A (fr) Perfectionnements apportés aux fauteuils inclinables
FR711055A (fr) Perfectionnements apportés aux haut-parleurs
FR690277A (fr) Perfectionnements apportés aux robinets
FR692261A (fr) Perfectionnements aux carburateurs
FR707828A (fr) Perfectionnements aux charnières
FR716710A (fr) Perfectionnements apportés aux niveaux
FR705658A (fr) Perfectionnements aux haut-parleurs
FR38830E (fr) Perfectionnements aux remblayeuses mécaniques
FR697451A (fr) Perfectionnements aux boîtes
FR722086A (fr) Perfectionnements aux coffres
FR713869A (fr) Perfectionnements aux carburateurs
FR715428A (fr) Perfectionnements aux carburateurs
FR726066A (fr) Perfectionnements aux aéromètres
FR709567A (fr) Perfectionnements aux isoloteurs
FR697001A (fr) Perfectionnements aux suspensoirs
FR689159A (fr) Perfectionnements aux détordoirs
FR684131A (fr) Perfectionnements apportés aux haut-parleurs
FR690948A (fr) Perfectionnements aux charnières
FR700215A (fr) Perfectionnements aux éclisses
FR709730A (fr) Perfectionnements apportés aux roues
FR703878A (fr) Perfectionnements aux haut-parleurs électro-dynamiques
FR707103A (fr) Perfectionnements aux haut-parleurs
FR700378A (fr) Perfectionnements aux hauts-parleurs