FR614898A - Improvements to amplifier horns for phonographs - Google Patents

Improvements to amplifier horns for phonographs

Info

Publication number
FR614898A
FR614898A FR614898DA FR614898A FR 614898 A FR614898 A FR 614898A FR 614898D A FR614898D A FR 614898DA FR 614898 A FR614898 A FR 614898A
Authority
FR
France
Prior art keywords
phonographs
horns
amplifier
amplifier horns
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
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.)
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 FR614898A publication Critical patent/FR614898A/en
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)
FR614898D 1925-07-04 1926-04-22 Improvements to amplifier horns for phonographs Expired FR614898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB614898X 1925-07-04

Publications (1)

Publication Number Publication Date
FR614898A true FR614898A (en) 1926-12-24

Family

ID=10487097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR614898D Expired FR614898A (en) 1925-07-04 1926-04-22 Improvements to amplifier horns for phonographs

Country Status (1)

Country Link
FR (1) FR614898A (en)

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