FR74955E - Avertisseur sonore - Google Patents

Avertisseur sonore

Info

Publication number
FR74955E
FR74955E FR786593A FR786593A FR74955E FR 74955 E FR74955 E FR 74955E FR 786593 A FR786593 A FR 786593A FR 786593 A FR786593 A FR 786593A FR 74955 E FR74955 E FR 74955E
Authority
FR
France
Prior art keywords
buzzer
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
FR786593A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
APP NOUVEAUX ET D OUTIL S RATI
Original Assignee
APP NOUVEAUX ET D OUTIL S RATI
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 by APP NOUVEAUX ET D OUTIL S RATI filed Critical APP NOUVEAUX ET D OUTIL S RATI
Priority to FR786593A priority Critical patent/FR74955E/fr
Application granted granted Critical
Publication of FR74955E publication Critical patent/FR74955E/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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
    • G10K9/15—Self-interrupting arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR786593A 1959-02-11 1959-02-11 Avertisseur sonore Expired FR74955E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR786593A FR74955E (fr) 1959-02-11 1959-02-11 Avertisseur sonore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR786593A FR74955E (fr) 1959-02-11 1959-02-11 Avertisseur sonore

Publications (1)

Publication Number Publication Date
FR74955E true FR74955E (fr) 1961-03-03

Family

ID=8711208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786593A Expired FR74955E (fr) 1959-02-11 1959-02-11 Avertisseur sonore

Country Status (1)

Country Link
FR (1) FR74955E (fr)

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