FR597718A - Perfectionnements aux amplificateurs de sons - Google Patents

Perfectionnements aux amplificateurs de sons

Info

Publication number
FR597718A
FR597718A FR597718DA FR597718A FR 597718 A FR597718 A FR 597718A FR 597718D A FR597718D A FR 597718DA FR 597718 A FR597718 A FR 597718A
Authority
FR
France
Prior art keywords
sound amplifiers
amplifiers
sound
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)
Inventor
Helene Kanders
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 FR597718A publication Critical patent/FR597718A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/28Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR597718D 1925-05-07 1925-05-07 Perfectionnements aux amplificateurs de sons Expired FR597718A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR597718T 1925-05-07

Publications (1)

Publication Number Publication Date
FR597718A true FR597718A (fr) 1925-11-27

Family

ID=8968420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR597718D Expired FR597718A (fr) 1925-05-07 1925-05-07 Perfectionnements aux amplificateurs de sons

Country Status (1)

Country Link
FR (1) FR597718A (fr)

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