BE345830A - - Google Patents

Info

Publication number
BE345830A
BE345830A BE345830DA BE345830A BE 345830 A BE345830 A BE 345830A BE 345830D A BE345830D A BE 345830DA BE 345830 A BE345830 A BE 345830A
Authority
BE
Belgium
Prior art keywords
magnet
frame
base
aimed
pole pieces
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE345830A publication Critical patent/BE345830A/fr

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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/06—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE345830D BE345830A (sr)

Publications (1)

Publication Number Publication Date
BE345830A true BE345830A (sr)

Family

ID=21796

Family Applications (1)

Application Number Title Priority Date Filing Date
BE345830D BE345830A (sr)

Country Status (1)

Country Link
BE (1) BE345830A (sr)

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