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FR753238A - Signal d'alarme - Google Patents

Signal d'alarme

Info

Publication number
FR753238A
FR753238A FR753238DA FR753238A FR 753238 A FR753238 A FR 753238A FR 753238D A FR753238D A FR 753238DA FR 753238 A FR753238 A FR 753238A
Authority
FR
France
Prior art keywords
alarm signal
alarm
signal
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
Henry-Rene Malverge
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 FR753238A publication Critical patent/FR753238A/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
    • G10K1/064—Operating or striking mechanisms therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR753238D 1933-03-28 1933-03-28 Signal d'alarme Expired FR753238A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR753238T 1933-03-28

Publications (1)

Publication Number Publication Date
FR753238A true FR753238A (fr) 1933-10-11

Family

ID=9161529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR753238D Expired FR753238A (fr) 1933-03-28 1933-03-28 Signal d'alarme

Country Status (1)

Country Link
FR (1) FR753238A (fr)

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