NL22763C - - Google Patents

Info

Publication number
NL22763C
NL22763C NL22763DA NL22763C NL 22763 C NL22763 C NL 22763C NL 22763D A NL22763D A NL 22763DA NL 22763 C NL22763 C NL 22763C
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 NL22763C publication Critical patent/NL22763C/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
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Toys (AREA)
NL22763D 1928-02-09 NL22763C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL305669X 1928-02-09

Publications (1)

Publication Number Publication Date
NL22763C true NL22763C (ja)

Family

ID=19783479

Family Applications (1)

Application Number Title Priority Date Filing Date
NL22763D NL22763C (ja) 1928-02-09

Country Status (2)

Country Link
GB (1) GB305669A (ja)
NL (1) NL22763C (ja)

Also Published As

Publication number Publication date
GB305669A (en) 1929-12-12

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