FR766551A - Perfectionnements aux haut-parleurs à pavillon - Google Patents

Perfectionnements aux haut-parleurs à pavillon

Info

Publication number
FR766551A
FR766551A FR766551DA FR766551A FR 766551 A FR766551 A FR 766551A FR 766551D A FR766551D A FR 766551DA FR 766551 A FR766551 A FR 766551A
Authority
FR
France
Prior art keywords
horn speakers
horn
speakers
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)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR766551A publication Critical patent/FR766551A/fr
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)
FR766551D 1933-03-29 1933-03-29 Perfectionnements aux haut-parleurs à pavillon Expired FR766551A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR766551T 1933-03-29

Publications (1)

Publication Number Publication Date
FR766551A true FR766551A (fr) 1934-06-30

Family

ID=9183374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR766551D Expired FR766551A (fr) 1933-03-29 1933-03-29 Perfectionnements aux haut-parleurs à pavillon

Country Status (1)

Country Link
FR (1) FR766551A (fr)

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