FR629870A - Perfectionnements aux machines parlantes - Google Patents

Perfectionnements aux machines parlantes

Info

Publication number
FR629870A
FR629870A FR629870DA FR629870A FR 629870 A FR629870 A FR 629870A FR 629870D A FR629870D A FR 629870DA FR 629870 A FR629870 A FR 629870A
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.)
COLUMBIA GRAPHOPHONE CO Ltd
Original Assignee
COLUMBIA GRAPHOPHONE 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 COLUMBIA GRAPHOPHONE CO Ltd filed Critical COLUMBIA GRAPHOPHONE CO Ltd
Application granted granted Critical
Publication of FR629870A publication Critical patent/FR629870A/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)
FR629870D 1926-02-26 1927-02-25 Perfectionnements aux machines parlantes Expired FR629870A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB629870X 1926-02-26

Publications (1)

Publication Number Publication Date
FR629870A true FR629870A (fr) 1927-11-18

Family

ID=10488681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR629870D Expired FR629870A (fr) 1926-02-26 1927-02-25 Perfectionnements aux machines parlantes

Country Status (1)

Country Link
FR (1) FR629870A (fr)

Similar Documents

Publication Publication Date Title
FR31860E (fr) Perfectionnements apportés aux phonographes
FR629870A (fr) Perfectionnements aux machines parlantes
FR622756A (fr) Perfectionnements apportés aux machines parlantes
FR643106A (fr) Perfectionnements aux machines parlantes
FR575290A (fr) Perfectionnements aux machines parlantes
FR673455A (fr) Perfectionnements aux machines parlantes
FR609378A (fr) Perfectionnements aux norias
FR647833A (fr) Perfectionnements aux aéromoteurs
FR666928A (fr) Perfectionnements aux machines parlantes
FR679917A (fr) Perfectionnements aux machines parlantes
FR686205A (fr) Perfectionnements aux machines parlantes
FR611995A (fr) Perfectionnements aux machines striqueuses-regiteuses
FR34078E (fr) Perfectionnements apportés aux machines parlantes
FR664846A (fr) Perfectionnements aux machines parlantes
FR652190A (fr) Perfectionnements apportés aux machines parlantes
FR647836A (fr) Perfectionnements apportés aux machines parlantes
FR646464A (fr) Perfectionnements apportés aux machines parlantes
FR641523A (fr) Perfectionnements apportés aux machines parlantes
FR640718A (fr) Perfectionnements apportés aux machines parlantes
FR657330A (fr) Perfectionnements aux machines parlantes
FR598638A (fr) Perfectionnements aux machines parlantes
FR612127A (fr) Perfectionnements apportés aux machines parlantes
FR595768A (fr) Perfectionnements aux machines parlantes
FR617379A (fr) Perfectionnements apportés aux hauts-parleurs
FR637450A (fr) Perfectionnements aux machines dynamo-électriques