DE112022004354T5 - Erregerschaltkreis, Vibrationsvorrichtung und Fahrzeug - Google Patents

Erregerschaltkreis, Vibrationsvorrichtung und Fahrzeug Download PDF

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Publication number
DE112022004354T5
DE112022004354T5 DE112022004354.7T DE112022004354T DE112022004354T5 DE 112022004354 T5 DE112022004354 T5 DE 112022004354T5 DE 112022004354 T DE112022004354 T DE 112022004354T DE 112022004354 T5 DE112022004354 T5 DE 112022004354T5
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DE
Germany
Prior art keywords
switch
circuit
frequency
current
piezoelectric element
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.)
Pending
Application number
DE112022004354.7T
Other languages
German (de)
English (en)
Inventor
Noritaka Kishi
Masaaki Takata
Satoshi ICHIHARA
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of DE112022004354T5 publication Critical patent/DE112022004354T5/de
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • 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
    • 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
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/202—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement
    • H10N30/2027—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement having cylindrical or annular shape
    • 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
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/883—Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
DE112022004354.7T 2021-11-10 2022-06-20 Erregerschaltkreis, Vibrationsvorrichtung und Fahrzeug Pending DE112022004354T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-183592 2021-11-10
JP2021183592 2021-11-10
PCT/JP2022/024577 WO2023084829A1 (ja) 2021-11-10 2022-06-20 励振回路、振動装置および車両

Publications (1)

Publication Number Publication Date
DE112022004354T5 true DE112022004354T5 (de) 2024-07-04

Family

ID=86335521

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112022004354.7T Pending DE112022004354T5 (de) 2021-11-10 2022-06-20 Erregerschaltkreis, Vibrationsvorrichtung und Fahrzeug

Country Status (5)

Country Link
US (1) US20240284801A1 (https=)
JP (1) JP7768242B2 (https=)
CN (1) CN118235544A (https=)
DE (1) DE112022004354T5 (https=)
WO (1) WO2023084829A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7739371B2 (ja) * 2023-09-05 2025-09-16 キヤノン株式会社 駆動回路、および記録装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10401618B2 (en) 2015-03-11 2019-09-03 Texas Instruments Incorporated Ultrasonic lens cleaning system with current sensing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3027692B2 (ja) * 1994-11-18 2000-04-04 赤井電機株式会社 位相差検出回路及び制御装置
JP2000295055A (ja) 1999-04-01 2000-10-20 Matsushita Electric Ind Co Ltd 送信機および受信機
JP5150098B2 (ja) * 2004-02-23 2013-02-20 日本電気株式会社 圧電ポンプ用駆動回路およびこれを用いた冷却システム
EP1786091B1 (en) 2004-07-07 2010-03-17 Seiko Epson Corporation Piezoelectric actuator and device
JP5727300B2 (ja) 2011-05-31 2015-06-03 トランスフォーム・ジャパン株式会社 電圧レギュレータ
JP6087541B2 (ja) 2012-08-31 2017-03-01 キヤノン株式会社 放射線撮像装置、その駆動方法、および放射線撮像システム

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10401618B2 (en) 2015-03-11 2019-09-03 Texas Instruments Incorporated Ultrasonic lens cleaning system with current sensing

Also Published As

Publication number Publication date
CN118235544A (zh) 2024-06-21
JPWO2023084829A1 (https=) 2023-05-19
US20240284801A1 (en) 2024-08-22
JP7768242B2 (ja) 2025-11-12
WO2023084829A1 (ja) 2023-05-19

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