FR860442A - Avertisseur sonore - Google Patents

Avertisseur sonore

Info

Publication number
FR860442A
FR860442A FR860442DA FR860442A FR 860442 A FR860442 A FR 860442A FR 860442D A FR860442D A FR 860442DA FR 860442 A FR860442 A FR 860442A
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
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
Application granted granted Critical
Publication of FR860442A publication Critical patent/FR860442A/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)
FR860442D 1939-06-23 1939-06-23 Avertisseur sonore Expired FR860442A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR860442T 1939-06-23

Publications (1)

Publication Number Publication Date
FR860442A true FR860442A (fr) 1941-01-14

Family

ID=9333616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860442D Expired FR860442A (fr) 1939-06-23 1939-06-23 Avertisseur sonore

Country Status (1)

Country Link
FR (1) FR860442A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3102685A1 (fr) 2019-11-06 2021-05-07 IFP Energies Nouvelles Procédé d’oligomérisation d’oléfines dans un réacteur d’oligomérisation
FR3117127A1 (fr) 2020-12-07 2022-06-10 IFP Energies Nouvelles Procédé d’hydrotraitement d’un flux liquide comprenant des hydrocarbures avec un flux gazeux comprenant de l’hydrogène
FR3126423A1 (fr) 2021-08-26 2023-03-03 IFP Energies Nouvelles Procédé d’hydroconversion de charges hydrocarbonées

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3102685A1 (fr) 2019-11-06 2021-05-07 IFP Energies Nouvelles Procédé d’oligomérisation d’oléfines dans un réacteur d’oligomérisation
WO2021089255A1 (fr) 2019-11-06 2021-05-14 IFP Energies Nouvelles Procédé d'oligomérisation d'oléfines dans un réacteur d'oligomérisation
FR3117127A1 (fr) 2020-12-07 2022-06-10 IFP Energies Nouvelles Procédé d’hydrotraitement d’un flux liquide comprenant des hydrocarbures avec un flux gazeux comprenant de l’hydrogène
FR3126423A1 (fr) 2021-08-26 2023-03-03 IFP Energies Nouvelles Procédé d’hydroconversion de charges hydrocarbonées

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