NL25790C - - Google Patents

Info

Publication number
NL25790C
NL25790C NL25790DA NL25790C NL 25790 C NL25790 C NL 25790C NL 25790D A NL25790D A NL 25790DA NL 25790 C NL25790 C NL 25790C
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 NL25790C publication Critical patent/NL25790C/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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
NL25790D 1928-11-15 NL25790C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1800591X 1928-11-15

Publications (1)

Publication Number Publication Date
NL25790C true NL25790C (enrdf_load_stackoverflow)

Family

ID=9681187

Family Applications (1)

Application Number Title Priority Date Filing Date
NL25790D NL25790C (enrdf_load_stackoverflow) 1928-11-15

Country Status (2)

Country Link
US (1) US1800591A (enrdf_load_stackoverflow)
NL (1) NL25790C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
US1800591A (en) 1931-04-14

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