FR440337A - Perfectionnements aux machines parlantes - Google Patents

Perfectionnements aux machines parlantes

Info

Publication number
FR440337A
FR440337A FR440337DA FR440337A FR 440337 A FR440337 A FR 440337A FR 440337D A FR440337D A FR 440337DA FR 440337 A FR440337 A FR 440337A
Authority
FR
France
Prior art keywords
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
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR440337A publication Critical patent/FR440337A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR440337D 1911-03-24 1912-02-17 Perfectionnements aux machines parlantes Expired FR440337A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US440337XA 1911-03-24 1911-03-24

Publications (1)

Publication Number Publication Date
FR440337A true FR440337A (fr) 1912-07-08

Family

ID=1481694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR440337D Expired FR440337A (fr) 1911-03-24 1912-02-17 Perfectionnements aux machines parlantes

Country Status (1)

Country Link
FR (1) FR440337A (fr)

Similar Documents

Publication Publication Date Title
FR14961E (fr) Perfectionnements apportés aux machines parlantes
FR432408A (fr) Perfectionnements apportés aux machines parlantes
FR437375A (fr) Perfectionnements apportés aux machines parlantes
FR438977A (fr) Perfectionnements aux machines parlantes
FR439260A (fr) Perfectionnements apportés aux machines parlantes
FR440337A (fr) Perfectionnements aux machines parlantes
FR443736A (fr) Perfectionnements aux machines volantes
FR411825A (fr) Perfectionnements aux machines parlantes
FR413214A (fr) Perfectionnements apportés aux machines parlantes
FR424985A (fr) Perfectionnements aux machines parlantes
FR425097A (fr) Perfectionnements aux machines parlantes
FR433157A (fr) Perfectionnements apportés aux machines parlantes
FR433478A (fr) Perfectionnements aux machines parlantes
FR434740A (fr) Perfectionnements apportés aux machines parlantes
FR462806A (fr) Perfectionnements aux machines parlantes
FR437348A (fr) Perfectionnements apportés aux épingles
FR452408A (fr) Perfectionnements aux machines parlantes
FR452994A (fr) Perfectionnements aux machines parlantes
FR465284A (fr) Perfectionnements apportés aux machines parlantes
FR440198A (fr) Machine parlante
CH55398A (fr) Machine parlante
CH57804A (fr) Machine parlante
CH58713A (fr) Machine parlante
CH59202A (fr) Machine parlante
FR441643A (fr) Perfectionnements aux machines dynamo-électriques