BE342380A - - Google Patents

Info

Publication number
BE342380A
BE342380A BE342380DA BE342380A BE 342380 A BE342380 A BE 342380A BE 342380D A BE342380D A BE 342380DA BE 342380 A BE342380 A BE 342380A
Authority
BE
Belgium
Prior art keywords
core
magnet
spring
nut
housing
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE342380A publication Critical patent/BE342380A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R13/00Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • H04R13/02Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • External Artificial Organs (AREA)
BE342380D BE342380A (cs)

Publications (1)

Publication Number Publication Date
BE342380A true BE342380A (cs)

Family

ID=18868

Family Applications (1)

Application Number Title Priority Date Filing Date
BE342380D BE342380A (cs)

Country Status (1)

Country Link
BE (1) BE342380A (cs)

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