FR657987A - Nouveau système de sonnerie électrique - Google Patents

Nouveau système de sonnerie électrique

Info

Publication number
FR657987A
FR657987A FR657987DA FR657987A FR 657987 A FR657987 A FR 657987A FR 657987D A FR657987D A FR 657987DA FR 657987 A FR657987 A FR 657987A
Authority
FR
France
Prior art keywords
new electric
electric bell
bell system
new
electric
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.)
Expired
Application number
Other languages
English (en)
Inventor
Gaetano Rapizzi
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR657987A publication Critical patent/FR657987A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR657987D 1927-08-10 1928-07-23 Nouveau système de sonnerie électrique Expired FR657987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT657987X 1927-08-10

Publications (1)

Publication Number Publication Date
FR657987A true FR657987A (fr) 1929-05-29

Family

ID=11298083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR657987D Expired FR657987A (fr) 1927-08-10 1928-07-23 Nouveau système de sonnerie électrique

Country Status (1)

Country Link
FR (1) FR657987A (fr)

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