NL34769C - - Google Patents

Info

Publication number
NL34769C
NL34769C NL34769DA NL34769C NL 34769 C NL34769 C NL 34769C NL 34769D A NL34769D A NL 34769DA NL 34769 C NL34769 C NL 34769C
Authority
NL
Netherlands
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 NL34769C publication Critical patent/NL34769C/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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NL34769D 1931-03-07 NL34769C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL34769C true NL34769C (enrdf_load_stackoverflow)

Family

ID=19785660

Family Applications (1)

Application Number Title Priority Date Filing Date
NL34769D NL34769C (enrdf_load_stackoverflow) 1931-03-07

Country Status (4)

Country Link
BE (1) BE385854A (enrdf_load_stackoverflow)
FR (1) FR730280A (enrdf_load_stackoverflow)
GB (1) GB381803A (enrdf_load_stackoverflow)
NL (1) NL34769C (enrdf_load_stackoverflow)

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
FR730280A (fr) 1932-08-10
GB381803A (en) 1932-10-13
BE385854A (enrdf_load_stackoverflow)

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