FR758011A - Dispositif de propagation du son - Google Patents

Dispositif de propagation du son

Info

Publication number
FR758011A
FR758011A FR758011DA FR758011A FR 758011 A FR758011 A FR 758011A FR 758011D A FR758011D A FR 758011DA FR 758011 A FR758011 A FR 758011A
Authority
FR
France
Prior art keywords
sound propagation
propagation device
sound
propagation
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.)
MEAF Machinerieen en Apparaten Fabrieken NV
Original Assignee
MEAF Machinerieen en Apparaten Fabrieken NV
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 MEAF Machinerieen en Apparaten Fabrieken NV filed Critical MEAF Machinerieen en Apparaten Fabrieken NV
Application granted granted Critical
Publication of FR758011A publication Critical patent/FR758011A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrophonic Musical Instruments (AREA)
FR758011D 1932-08-12 1933-07-04 Dispositif de propagation du son Expired FR758011A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE408844X 1932-08-12

Publications (1)

Publication Number Publication Date
FR758011A true FR758011A (fr) 1934-01-09

Family

ID=6422340

Family Applications (1)

Application Number Title Priority Date Filing Date
FR758011D Expired FR758011A (fr) 1932-08-12 1933-07-04 Dispositif de propagation du son

Country Status (2)

Country Link
FR (1) FR758011A (fr)
GB (1) GB408844A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3623092C1 (de) * 1986-07-09 1988-02-04 Wandel & Goltermann Rundstrahlender Hornlautsprecher

Also Published As

Publication number Publication date
GB408844A (en) 1934-04-19

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