FR587331A - Appareil de signalisation électrique - Google Patents

Appareil de signalisation électrique

Info

Publication number
FR587331A
FR587331A FR587331DA FR587331A FR 587331 A FR587331 A FR 587331A FR 587331D A FR587331D A FR 587331DA FR 587331 A FR587331 A FR 587331A
Authority
FR
France
Prior art keywords
signaling device
electrical signaling
electrical
signaling
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
Jay Warren Clark
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 FR587331A publication Critical patent/FR587331A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR587331D 1924-10-11 1924-10-11 Appareil de signalisation électrique Expired FR587331A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR587331T 1924-10-11

Publications (1)

Publication Number Publication Date
FR587331A true FR587331A (fr) 1925-04-16

Family

ID=8961313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR587331D Expired FR587331A (fr) 1924-10-11 1924-10-11 Appareil de signalisation électrique

Country Status (1)

Country Link
FR (1) FR587331A (fr)

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