FR2292412A7 - Perfectionnement aux vibreurs electromagnetiques a circuit d'entretien electronique - Google Patents

Perfectionnement aux vibreurs electromagnetiques a circuit d'entretien electronique

Info

Publication number
FR2292412A7
FR2292412A7 FR7438349A FR7438349A FR2292412A7 FR 2292412 A7 FR2292412 A7 FR 2292412A7 FR 7438349 A FR7438349 A FR 7438349A FR 7438349 A FR7438349 A FR 7438349A FR 2292412 A7 FR2292412 A7 FR 2292412A7
Authority
FR
France
Prior art keywords
iron core
soft iron
electromagnetic vibrator
drive coil
maintenance circuit
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
FR7438349A
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.)
Jaz SA
Original Assignee
Jaz SA
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 Jaz SA filed Critical Jaz SA
Priority to FR7438349A priority Critical patent/FR2292412A7/fr
Application granted granted Critical
Publication of FR2292412A7 publication Critical patent/FR2292412A7/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
FR7438349A 1974-11-21 1974-11-21 Perfectionnement aux vibreurs electromagnetiques a circuit d'entretien electronique Expired FR2292412A7 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7438349A FR2292412A7 (fr) 1974-11-21 1974-11-21 Perfectionnement aux vibreurs electromagnetiques a circuit d'entretien electronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7438349A FR2292412A7 (fr) 1974-11-21 1974-11-21 Perfectionnement aux vibreurs electromagnetiques a circuit d'entretien electronique

Publications (1)

Publication Number Publication Date
FR2292412A7 true FR2292412A7 (fr) 1976-06-18

Family

ID=9145148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438349A Expired FR2292412A7 (fr) 1974-11-21 1974-11-21 Perfectionnement aux vibreurs electromagnetiques a circuit d'entretien electronique

Country Status (1)

Country Link
FR (1) FR2292412A7 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361709A1 (fr) * 1976-08-11 1978-03-10 Ward Goldstone Ltd Generateur acoustique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361709A1 (fr) * 1976-08-11 1978-03-10 Ward Goldstone Ltd Generateur acoustique

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