NL21240C - - Google Patents

Info

Publication number
NL21240C
NL21240C NL21240DA NL21240C NL 21240 C NL21240 C NL 21240C NL 21240D A NL21240D A NL 21240DA NL 21240 C NL21240 C NL 21240C
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 NL21240C publication Critical patent/NL21240C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • H04R7/18Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
NL21240D 1927-01-26 NL21240C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB233227A GB286841A (en) 1927-01-26 1927-01-26 Improvements in or relating to the attachment of diaphragms or oscillation members for loud-speakers

Publications (1)

Publication Number Publication Date
NL21240C true NL21240C (en:Method)

Family

ID=9737673

Family Applications (1)

Application Number Title Priority Date Filing Date
NL21240D NL21240C (en:Method) 1927-01-26

Country Status (4)

Country Link
BE (1) BE345857A (en:Method)
FR (1) FR643063A (en:Method)
GB (1) GB286841A (en:Method)
NL (1) NL21240C (en:Method)

Also Published As

Publication number Publication date
GB286841A (en) 1928-03-15
BE345857A (en:Method)
FR643063A (fr) 1928-09-10

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