NL23994C - - Google Patents

Info

Publication number
NL23994C
NL23994C NL23994DA NL23994C NL 23994 C NL23994 C NL 23994C NL 23994D A NL23994D A NL 23994DA NL 23994 C NL23994 C NL 23994C
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 NL23994C publication Critical patent/NL23994C/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
NL23994D 1926-10-01 NL23994C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US644774XA 1926-10-01 1926-10-01

Publications (1)

Publication Number Publication Date
NL23994C true NL23994C (enrdf_load_html_response)

Family

ID=22056256

Family Applications (1)

Application Number Title Priority Date Filing Date
NL23994D NL23994C (enrdf_load_html_response) 1926-10-01

Country Status (2)

Country Link
FR (1) FR644774A (enrdf_load_html_response)
NL (1) NL23994C (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322583A (en) * 1978-11-20 1982-03-30 Sony Corporation Voice coil bobbin connection to loudspeaker diaphragm of honeycomb core sandwiched by sheets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322583A (en) * 1978-11-20 1982-03-30 Sony Corporation Voice coil bobbin connection to loudspeaker diaphragm of honeycomb core sandwiched by sheets

Also Published As

Publication number Publication date
FR644774A (fr) 1928-10-13

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