FR1019035A - Conduit acoustique - Google Patents

Conduit acoustique

Info

Publication number
FR1019035A
FR1019035A FR1019035DA FR1019035A FR 1019035 A FR1019035 A FR 1019035A FR 1019035D A FR1019035D A FR 1019035DA FR 1019035 A FR1019035 A FR 1019035A
Authority
FR
France
Prior art keywords
acoustic duct
acoustic
duct
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)
Inventor
Yagloglou
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.)
RADIO AIR
Original Assignee
RADIO AIR
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 RADIO AIR filed Critical RADIO AIR
Application granted granted Critical
Publication of FR1019035A publication Critical patent/FR1019035A/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
    • H04R1/342—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 microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1019035D 1950-05-24 1950-05-24 Conduit acoustique Expired FR1019035A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1019035T 1950-05-24

Publications (1)

Publication Number Publication Date
FR1019035A true FR1019035A (fr) 1953-01-15

Family

ID=9575368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1019035D Expired FR1019035A (fr) 1950-05-24 1950-05-24 Conduit acoustique

Country Status (1)

Country Link
FR (1) FR1019035A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181193A (en) * 1976-09-23 1980-01-01 Isaac Timothy P Sound projection system
USRE32183E (en) * 1976-09-23 1986-06-17 Turbosound Group Ltd. Sound projection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181193A (en) * 1976-09-23 1980-01-01 Isaac Timothy P Sound projection system
USRE32183E (en) * 1976-09-23 1986-06-17 Turbosound Group Ltd. Sound projection system

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