DE211759C - - Google Patents

Info

Publication number
DE211759C
DE211759C DENDAT211759D DE211759DA DE211759C DE 211759 C DE211759 C DE 211759C DE NDAT211759 D DENDAT211759 D DE NDAT211759D DE 211759D A DE211759D A DE 211759DA DE 211759 C DE211759 C DE 211759C
Authority
DE
Germany
Prior art keywords
sound
bell
tone
replaced
speaking
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
DENDAT211759D
Other languages
German (de)
English (en)
Publication of DE211759C publication Critical patent/DE211759C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00—Indicating the time by acoustic means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DENDAT211759D Active DE211759C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE211759C true DE211759C (enrdf_load_stackoverflow)

Family

ID=473537

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT211759D Active DE211759C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE211759C (enrdf_load_stackoverflow)

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