BE385854A - - Google Patents

Info

Publication number
BE385854A
BE385854A BE385854DA BE385854A BE 385854 A BE385854 A BE 385854A BE 385854D A BE385854D A BE 385854DA BE 385854 A BE385854 A BE 385854A
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 BE385854A publication Critical patent/BE385854A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • H04R9/046Construction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE385854D 1931-03-07 BE385854A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL381803X 1931-03-07

Publications (1)

Publication Number Publication Date
BE385854A true BE385854A (en:Method)

Family

ID=19785660

Family Applications (1)

Application Number Title Priority Date Filing Date
BE385854D BE385854A (en:Method) 1931-03-07

Country Status (4)

Country Link
BE (1) BE385854A (en:Method)
FR (1) FR730280A (en:Method)
GB (1) GB381803A (en:Method)
NL (1) NL34769C (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963882A (en) * 1975-03-14 1976-06-15 Control Data Corporation Boron or graphite reinforced voice coil and manufacturing process
GB2366474B (en) 2000-09-01 2005-02-16 Schlumberger Ltd Geophones

Also Published As

Publication number Publication date
NL34769C (en:Method)
GB381803A (en) 1932-10-13
FR730280A (fr) 1932-08-10

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