FR36823E - Improvement of sound amplification of talking machines and loudspeakers - Google Patents

Improvement of sound amplification of talking machines and loudspeakers

Info

Publication number
FR36823E
FR36823E FR36823DA FR36823E FR 36823 E FR36823 E FR 36823E FR 36823D A FR36823D A FR 36823DA FR 36823 E FR36823 E FR 36823E
Authority
FR
France
Prior art keywords
loudspeakers
improvement
sound amplification
talking machines
talking
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)
Inventor
Nicolas De Karavodine
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 FR36823E publication Critical patent/FR36823E/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)
FR36823D 1929-04-02 1929-04-02 Improvement of sound amplification of talking machines and loudspeakers Expired FR36823E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR36823T 1929-04-02

Publications (1)

Publication Number Publication Date
FR36823E true FR36823E (en) 1930-08-25

Family

ID=8673533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR36823D Expired FR36823E (en) 1929-04-02 1929-04-02 Improvement of sound amplification of talking machines and loudspeakers

Country Status (1)

Country Link
FR (1) FR36823E (en)

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