FR832031A - Haut-parleur muni de cloisons - Google Patents

Haut-parleur muni de cloisons

Info

Publication number
FR832031A
FR832031A FR832031DA FR832031A FR 832031 A FR832031 A FR 832031A FR 832031D A FR832031D A FR 832031DA FR 832031 A FR832031 A FR 832031A
Authority
FR
France
Prior art keywords
loudspeaker
partitions
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR832031A publication Critical patent/FR832031A/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)
  • Diaphragms For Electromechanical Transducers (AREA)
FR832031D 1937-01-14 1938-01-13 Haut-parleur muni de cloisons Expired FR832031A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL495240X 1937-01-14

Publications (1)

Publication Number Publication Date
FR832031A true FR832031A (fr) 1938-09-20

Family

ID=19786727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR832031D Expired FR832031A (fr) 1937-01-14 1938-01-13 Haut-parleur muni de cloisons

Country Status (3)

Country Link
BE (1) BE425730A (ca)
FR (1) FR832031A (ca)
GB (1) GB495240A (ca)

Also Published As

Publication number Publication date
BE425730A (ca)
GB495240A (en) 1938-11-09

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