BE478613A - - Google Patents

Info

Publication number
BE478613A
BE478613A BE478613DA BE478613A BE 478613 A BE478613 A BE 478613A BE 478613D A BE478613D A BE 478613DA BE 478613 A BE478613 A BE 478613A
Authority
BE
Belgium
Application number
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.)
Publication of BE478613A publication Critical patent/BE478613A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34Arrangements 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
    • H04R1/345Arrangements 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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
BE478613D 1946-09-20 BE478613A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR934810T 1946-09-20

Publications (1)

Publication Number Publication Date
BE478613A true BE478613A (en:Method)

Family

ID=9456418

Family Applications (1)

Application Number Title Priority Date Filing Date
BE478613D BE478613A (en:Method) 1946-09-20

Country Status (3)

Country Link
BE (1) BE478613A (en:Method)
FR (1) FR934810A (en:Method)
GB (1) GB641668A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943413C (de) * 1951-07-29 1956-05-17 Siemens Ag Lautsprecheranordnung, vorzugsweise mit Trichter
NL97567C (en:Method) * 1953-10-02
US2847081A (en) * 1955-04-25 1958-08-12 Electronic Reproducers Inc Acoustical enclosure to simulate organ tones
US3080012A (en) * 1958-09-26 1963-03-05 Columbia Broadcasting Syst Inc Stereophonic loudspeaker arrays

Also Published As

Publication number Publication date
FR934810A (fr) 1948-06-02
GB641668A (en) 1950-08-16

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