FR602427A - Improvements to the acoustic horns of loudspeaker devices - Google Patents

Improvements to the acoustic horns of loudspeaker devices

Info

Publication number
FR602427A
FR602427A FR602427DA FR602427A FR 602427 A FR602427 A FR 602427A FR 602427D A FR602427D A FR 602427DA FR 602427 A FR602427 A FR 602427A
Authority
FR
France
Prior art keywords
loudspeaker devices
acoustic horns
horns
acoustic
loudspeaker
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.)
Societe des Etablissements Gaumont
Original Assignee
Societe des Etablissements Gaumont
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 Societe des Etablissements Gaumont filed Critical Societe des Etablissements Gaumont
Application granted granted Critical
Publication of FR602427A publication Critical patent/FR602427A/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
    • 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)
FR602427D 1924-11-29 1924-11-29 Improvements to the acoustic horns of loudspeaker devices Expired FR602427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR602427T 1924-11-29

Publications (1)

Publication Number Publication Date
FR602427A true FR602427A (en) 1926-03-18

Family

ID=8971990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR602427D Expired FR602427A (en) 1924-11-29 1924-11-29 Improvements to the acoustic horns of loudspeaker devices

Country Status (1)

Country Link
FR (1) FR602427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012018735A1 (en) * 2010-08-04 2012-02-09 Robert Bosch Gmbh Annular ring acoustic transformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012018735A1 (en) * 2010-08-04 2012-02-09 Robert Bosch Gmbh Annular ring acoustic transformer
US8588450B2 (en) 2010-08-04 2013-11-19 Robert Bosch Gmbh Annular ring acoustic transformer

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