FR736743A - Perfectionnements aux reproducteurs de son - Google Patents

Perfectionnements aux reproducteurs de son

Info

Publication number
FR736743A
FR736743A FR736743DA FR736743A FR 736743 A FR736743 A FR 736743A FR 736743D A FR736743D A FR 736743DA FR 736743 A FR736743 A FR 736743A
Authority
FR
France
Prior art keywords
breeders
bran
bran breeders
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.)
ELECSON
Original Assignee
ELECSON
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 ELECSON filed Critical ELECSON
Application granted granted Critical
Publication of FR736743A publication Critical patent/FR736743A/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)
FR736743D 1931-09-08 1931-09-08 Perfectionnements aux reproducteurs de son Expired FR736743A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR736743T 1931-09-08

Publications (1)

Publication Number Publication Date
FR736743A true FR736743A (fr) 1932-11-28

Family

ID=9131410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR736743D Expired FR736743A (fr) 1931-09-08 1931-09-08 Perfectionnements aux reproducteurs de son

Country Status (1)

Country Link
FR (1) FR736743A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260990A (en) * 1962-01-03 1966-07-12 Dynamics Corp America Electroacoustic transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260990A (en) * 1962-01-03 1966-07-12 Dynamics Corp America Electroacoustic transducer

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