FR715456A - Reproducteur de sons perfectionné - Google Patents

Reproducteur de sons perfectionné

Info

Publication number
FR715456A
FR715456A FR715456DA FR715456A FR 715456 A FR715456 A FR 715456A FR 715456D A FR715456D A FR 715456DA FR 715456 A FR715456 A FR 715456A
Authority
FR
France
Prior art keywords
sound reproducer
advanced sound
advanced
reproducer
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
Terijon Weitling
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 FR715456A publication Critical patent/FR715456A/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
    • G10K11/00—Methods 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR715456D 1931-04-15 1931-04-15 Reproducteur de sons perfectionné Expired FR715456A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR715456T 1931-04-15

Publications (1)

Publication Number Publication Date
FR715456A true FR715456A (fr) 1931-12-03

Family

ID=9088975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715456D Expired FR715456A (fr) 1931-04-15 1931-04-15 Reproducteur de sons perfectionné

Country Status (1)

Country Link
FR (1) FR715456A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747770C (de) * 1932-08-22 1944-10-13 Wasch-, Reinigungs- und Spuelmittel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747770C (de) * 1932-08-22 1944-10-13 Wasch-, Reinigungs- und Spuelmittel

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