FR616183A - Haut-parleur mixte - Google Patents

Haut-parleur mixte

Info

Publication number
FR616183A
FR616183A FR616183DA FR616183A FR 616183 A FR616183 A FR 616183A FR 616183D A FR616183D A FR 616183DA FR 616183 A FR616183 A FR 616183A
Authority
FR
France
Prior art keywords
mixed speaker
speaker
mixed
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
Gaston Bertrand
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 filed Critical
Application granted granted Critical
Publication of FR616183A publication Critical patent/FR616183A/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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR616183D 1926-05-15 1926-05-15 Haut-parleur mixte Expired FR616183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR616183T 1926-05-15

Publications (1)

Publication Number Publication Date
FR616183A true FR616183A (fr) 1927-01-25

Family

ID=8981429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR616183D Expired FR616183A (fr) 1926-05-15 1926-05-15 Haut-parleur mixte

Country Status (1)

Country Link
FR (1) FR616183A (fr)

Similar Documents

Publication Publication Date Title
FR615110A (fr) Malaxeur
FR616183A (fr) Haut-parleur mixte
FR617544A (fr) Mélangeur
FR642963A (fr) Microtéléphone
FR632091A (fr) Haut-parleur perfectionné
FR619929A (fr) Malaxeur
FR626945A (fr) Malaxeur
FR645292A (fr) Microphone
FR624195A (fr) Malaxeur perfectionné
DK41476C (da) Højttaler.
FI11035A (fi) Sträckverk
FI11043A (fi) Knästrumpskyddare
FI11054A (fi) Järnvägsbuffert
FI11056A (fi) Elektriskt säkerhetsstycke
FI11067A (fi) Ångmätare
FI11072A (fi) Trycksmörjapparat
FI11084A (fi) Ihopsättbar kälke
FI11093A (fi) Stenklyvningsmaskin
FI11095A (fi) Inlindningsmaskin
FI11103A (fi) Dubbeldörr
FI11106A (fi) Oja-auran jalas
FI11108A (fi) Sädessorterare
FI11113A (fi) Kopieringsapparat
FI11115A (fi) Skidbindsle
FI11117A (fi) Torkanordning