BE335007A - - Google Patents

Info

Publication number
BE335007A
BE335007A BE335007DA BE335007A BE 335007 A BE335007 A BE 335007A BE 335007D A BE335007D A BE 335007DA BE 335007 A BE335007 A BE 335007A
Authority
BE
Belgium
Prior art keywords
pallet
diaphragm
point
fixed
spring
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE335007A publication Critical patent/BE335007A/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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
    • H04R13/02—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)
BE335007D BE335007A (show.php)

Publications (1)

Publication Number Publication Date
BE335007A true BE335007A (show.php)

Family

ID=13519

Family Applications (1)

Application Number Title Priority Date Filing Date
BE335007D BE335007A (show.php)

Country Status (1)

Country Link
BE (1) BE335007A (show.php)

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