NL22116C - - Google Patents

Info

Publication number
NL22116C
NL22116C NL22116DA NL22116C NL 22116 C NL22116 C NL 22116C NL 22116D A NL22116D A NL 22116DA NL 22116 C NL22116 C NL 22116C
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 NL22116C publication Critical patent/NL22116C/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NL22116D 1926-07-24 NL22116C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US274847XA 1926-07-24 1926-07-24

Publications (1)

Publication Number Publication Date
NL22116C true NL22116C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=21837996

Family Applications (1)

Application Number Title Priority Date Filing Date
NL22116D NL22116C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1926-07-24

Country Status (3)

Country Link
FR (1) FR638086A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB274847A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL22116C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
GB274847A (en) 1928-02-02
FR638086A (fr) 1928-05-15

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