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FR3091031B1 - Dispositif d'accord - Google Patents

Dispositif d'accord Download PDF

Info

Publication number
FR3091031B1
FR3091031B1 FR1873486A FR1873486A FR3091031B1 FR 3091031 B1 FR3091031 B1 FR 3091031B1 FR 1873486 A FR1873486 A FR 1873486A FR 1873486 A FR1873486 A FR 1873486A FR 3091031 B1 FR3091031 B1 FR 3091031B1
Authority
FR
France
Prior art keywords
piezoelectric transducer
magnetic core
tuning
agreement system
toroidal
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.)
Active
Application number
FR1873486A
Other languages
English (en)
Other versions
FR3091031A1 (fr
Inventor
Philippe Thomas
Pierre Baty
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.)
Thales SA
Original Assignee
Thales 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 Thales SA filed Critical Thales SA
Priority to FR1873486A priority Critical patent/FR3091031B1/fr
Priority to EP19829585.9A priority patent/EP3900062A1/fr
Priority to PCT/EP2019/086570 priority patent/WO2020127903A1/fr
Publication of FR3091031A1 publication Critical patent/FR3091031A1/fr
Application granted granted Critical
Publication of FR3091031B1 publication Critical patent/FR3091031B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15333—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

Dispositif d’accord présentant une inductance d’accord destinée à être accordée avec une capacité d’un ensemble d’au moins un transducteur piézoélectrique à une fréquence d’utilisation de l’ensemble d’au moins un transducteur piézoélectrique, le dispositif d’accord comprenant un noyau magnétique torique comprenant une partie magnétique à base d’un matériau ferromagnétique nanocristallin, un ensemble d’au moins un entrefer en matériau amagnétique et au moins un enroulement d’un élément conducteur réalisé autour du noyau magnétique torique. Figure pour l’abrégé  : Fig . 1
FR1873486A 2018-12-20 2018-12-20 Dispositif d'accord Active FR3091031B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1873486A FR3091031B1 (fr) 2018-12-20 2018-12-20 Dispositif d'accord
EP19829585.9A EP3900062A1 (fr) 2018-12-20 2019-12-20 Dispositif d'accord
PCT/EP2019/086570 WO2020127903A1 (fr) 2018-12-20 2019-12-20 Dispositif d'accord

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1873486A FR3091031B1 (fr) 2018-12-20 2018-12-20 Dispositif d'accord

Publications (2)

Publication Number Publication Date
FR3091031A1 FR3091031A1 (fr) 2020-06-26
FR3091031B1 true FR3091031B1 (fr) 2020-12-18

Family

ID=66867255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1873486A Active FR3091031B1 (fr) 2018-12-20 2018-12-20 Dispositif d'accord

Country Status (3)

Country Link
EP (1) EP3900062A1 (fr)
FR (1) FR3091031B1 (fr)
WO (1) WO2020127903A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1609159B1 (fr) * 2003-04-02 2007-11-07 Vacuumschmelze GmbH & Co. KG Noyau magnetique, procede de realisation associe, utilisation d'un noyau magnetique de ce type notamment dans des transformateurs de courant et dans des bobines de choc a compensation de courant, alliages et bandes pour realiser un tel noyau magnetique
JP5212028B2 (ja) * 2008-11-10 2013-06-19 日本電気株式会社 送波器とその駆動方法
JP2014003731A (ja) * 2012-06-15 2014-01-09 Canon Inc 振動型アクチュエータの駆動装置及びこれを用いた医用システム

Also Published As

Publication number Publication date
WO2020127903A1 (fr) 2020-06-25
EP3900062A1 (fr) 2021-10-27
FR3091031A1 (fr) 2020-06-26

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