DE261087C - - Google Patents

Info

Publication number
DE261087C
DE261087C DENDAT261087D DE261087DA DE261087C DE 261087 C DE261087 C DE 261087C DE NDAT261087 D DENDAT261087 D DE NDAT261087D DE 261087D A DE261087D A DE 261087DA DE 261087 C DE261087 C DE 261087C
Authority
DE
Germany
Prior art keywords
ring
umbrella
collapsible
horn
struts
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT261087D
Other languages
German (de)
English (en)
Publication of DE261087C publication Critical patent/DE261087C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Treatment Of Fiber Materials (AREA)
DENDAT261087D Active DE261087C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE261087C true DE261087C (enrdf_load_stackoverflow)

Family

ID=518670

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT261087D Active DE261087C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE261087C (enrdf_load_stackoverflow)

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