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FR567539A - Improvements to the construction of loudspeaker pavilions - Google Patents

Improvements to the construction of loudspeaker pavilions

Info

Publication number
FR567539A
FR567539A FR567539DA FR567539A FR 567539 A FR567539 A FR 567539A FR 567539D A FR567539D A FR 567539DA FR 567539 A FR567539 A FR 567539A
Authority
FR
France
Prior art keywords
pavilions
loudspeaker
construction
loudspeaker pavilions
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
Albert Caselli
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 FR567539A publication Critical patent/FR567539A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR567539D 1923-06-18 1923-06-18 Improvements to the construction of loudspeaker pavilions Expired FR567539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR567539T 1923-06-18

Publications (1)

Publication Number Publication Date
FR567539A true FR567539A (en) 1924-03-03

Family

ID=8947860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR567539D Expired FR567539A (en) 1923-06-18 1923-06-18 Improvements to the construction of loudspeaker pavilions

Country Status (1)

Country Link
FR (1) FR567539A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032136A (en) * 1956-09-27 1962-05-01 Jr Andrew Stewart Hegeman Loudspeaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032136A (en) * 1956-09-27 1962-05-01 Jr Andrew Stewart Hegeman Loudspeaker

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