BE441609A - - Google Patents

Info

Publication number
BE441609A
BE441609A BE441609DA BE441609A BE 441609 A BE441609 A BE 441609A BE 441609D A BE441609D A BE 441609DA BE 441609 A BE441609 A BE 441609A
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 BE441609A publication Critical patent/BE441609A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
BE441609D 1939-03-02 BE441609A (US07321065-20080122-C00020.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE872816X 1939-03-02

Publications (1)

Publication Number Publication Date
BE441609A true BE441609A (US07321065-20080122-C00020.png)

Family

ID=6816147

Family Applications (1)

Application Number Title Priority Date Filing Date
BE441609D BE441609A (US07321065-20080122-C00020.png) 1939-03-02

Country Status (2)

Country Link
BE (1) BE441609A (US07321065-20080122-C00020.png)
FR (1) FR872816A (US07321065-20080122-C00020.png)

Also Published As

Publication number Publication date
FR872816A (fr) 1942-06-19

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