JP2021084074A - 駆動装置、振動発生装置、電子機器及び駆動方法 - Google Patents
駆動装置、振動発生装置、電子機器及び駆動方法 Download PDFInfo
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- JP2021084074A JP2021084074A JP2019215045A JP2019215045A JP2021084074A JP 2021084074 A JP2021084074 A JP 2021084074A JP 2019215045 A JP2019215045 A JP 2019215045A JP 2019215045 A JP2019215045 A JP 2019215045A JP 2021084074 A JP2021084074 A JP 2021084074A
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000035807 sensation Effects 0.000 abstract description 11
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 210000000412 mechanoreceptor Anatomy 0.000 description 2
- 210000003607 pacinian corpuscle Anatomy 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Classifications
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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
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
-
- 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
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0269—Driving circuits for generating signals continuous in time for generating multiple frequencies
- B06B1/0276—Driving circuits for generating signals continuous in time for generating multiple frequencies with simultaneous generation, e.g. with modulation, harmonics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/001—Driving devices, e.g. vibrators
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B6/00—Tactile signalling systems, e.g. personal calling systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/0075—Electrical details, e.g. drive or control circuits or methods
- H02N2/008—Means for controlling vibration frequency or phase, e.g. for resonance tracking
-
- 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
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/55—Piezoelectric transducer
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- User Interface Of Digital Computer (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
Description
上記圧電アクチュエータは、上記振動体に接合されている。
上記駆動装置は、周波数が10Hz以上250Hz以下である低周波領域の信号波を変調波とし、周波数が20kHz以上40kHz以下である高周波領域の正弦波を上記変調波によって振幅変調してなる波形を有する駆動信号を上記圧電アクチュエータに出力する。
図1は本実施形態に係る振動発生装置100の模式図である。同図に示すように、振動発生装置100は、振動体101、圧電アクチュエータ102及び駆動装置103を備える。
駆動装置103から圧電アクチュエータ102に出力される駆動信号の波形について説明する。なお、低周波領域の信号波については、以下の説明において便宜上正弦波としているが、これに限定されるものではない。
101…振動体
102…圧電アクチュエータ
103…駆動装置
Claims (6)
- 周波数が10Hz以上250Hz以下である低周数領域の信号波を変調波とし、周波数が20kHz以上40kHz以下である高周波領域の正弦波を前記変調波によって振幅変調してなる波形を有する駆動信号を圧電アクチュエータに出力する
駆動装置。 - 請求項1に記載の駆動装置であって、
前記正弦波の電圧ゲインを−10dB以上0dB以下とし、前記変調波の電圧ゲインを−6dB以上0dB以下とする
駆動装置。 - 請求項2に記載の駆動装置であって、
前記正弦波の電圧ゲインを−10dBとし、前記変調波の電圧ゲインを0dBとする
駆動装置。 - 振動体と、
前記振動体に接合された圧電アクチュエータと、
周波数が10Hz以上250Hz以下である低周波領域の信号波を変調波とし、周波数が20kHz以上40kHz以下である高周波領域の正弦波を前記変調波によって振幅変調してなる波形を有する駆動信号を前記圧電アクチュエータに出力する駆動装置と
を具備する振動発生装置。 - 振動体と、前記振動体に接合された圧電アクチュエータと、周波数が10Hz以上250Hz以下である低周波領域の信号波を変調波とし、周波数が20kHz以上40kHz以下である高周波領域の正弦波を前記変調波によって振幅変調してなる波形を有する駆動信号を前記圧電アクチュエータに出力する駆動装置とを備える振動発生装置
を具備する電子機器。 - 周波数が10Hz以上250Hz以下である低周波領域の信号波を変調波とし、周波数が20kHz以上40kHz以下である高周波領域の正弦波を前記変調波によって振幅変調してなる波形を有する駆動信号を圧電アクチュエータに出力する
駆動方法。
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JP2019215045A JP2021084074A (ja) | 2019-11-28 | 2019-11-28 | 駆動装置、振動発生装置、電子機器及び駆動方法 |
US16/952,506 US11633761B2 (en) | 2019-11-28 | 2020-11-19 | Driving apparatus, vibration generating apparatus, electronic apparatus, and driving method |
CN202011361224.7A CN112865591A (zh) | 2019-11-28 | 2020-11-27 | 驱动装置、振动发生装置、电子设备和驱动方法 |
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JP2019215045A JP2021084074A (ja) | 2019-11-28 | 2019-11-28 | 駆動装置、振動発生装置、電子機器及び駆動方法 |
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JP (1) | JP2021084074A (ja) |
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Cited By (3)
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WO2023127256A1 (ja) * | 2021-12-28 | 2023-07-06 | 太陽誘電株式会社 | 触覚発生装置、入力装置、入力システム及び触覚発生装置の駆動方法 |
WO2023139928A1 (ja) * | 2022-01-18 | 2023-07-27 | 太陽誘電株式会社 | 触覚発生装置、触覚発生システム及び触覚発生装置の駆動方法 |
WO2023199624A1 (ja) * | 2022-04-15 | 2023-10-19 | 太陽誘電株式会社 | 触覚発生装置、触覚発生システム及び触覚発生装置の駆動方法 |
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JP2021084074A (ja) * | 2019-11-28 | 2021-06-03 | 太陽誘電株式会社 | 駆動装置、振動発生装置、電子機器及び駆動方法 |
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JPH08314369A (ja) | 1995-05-19 | 1996-11-29 | Nippon Telegr & Teleph Corp <Ntt> | 触覚刺激表出方法 |
JP4036287B2 (ja) * | 2002-05-01 | 2008-01-23 | 株式会社カイジョー | 超音波洗浄装置 |
JP2006115631A (ja) * | 2004-10-15 | 2006-04-27 | Konica Minolta Holdings Inc | 圧電駆動装置 |
EP2310094B1 (en) * | 2008-07-14 | 2014-10-22 | Arizona Board Regents For And On Behalf Of Arizona State University | Devices for modulating cellular activity using ultrasound |
US9054606B2 (en) * | 2012-06-15 | 2015-06-09 | Canon Kabushiki Kaisha | Driving device and driving circuit for a vibration actuator |
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 |
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US9489047B2 (en) * | 2013-03-01 | 2016-11-08 | Immersion Corporation | Haptic device with linear resonant actuator |
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KR101667107B1 (ko) * | 2014-08-12 | 2016-10-18 | 한국표준과학연구원 | 고주파와 저주파를 갖는 입력전압파형을 공급하기 위한 액추에이터 구동장치, 그 액추에이터 구동장치를 이용한 촉각피드백 생성장치 및 생성방법 |
WO2017149526A2 (en) * | 2016-03-04 | 2017-09-08 | May Patents Ltd. | A method and apparatus for cooperative usage of multiple distance meters |
WO2019003339A1 (ja) * | 2017-06-28 | 2019-01-03 | 富士通株式会社 | 駆動制御装置、電子機器、及び駆動制御方法 |
JP6819783B2 (ja) * | 2017-07-11 | 2021-01-27 | 富士通株式会社 | 駆動制御装置、電子機器、及び駆動制御方法 |
US11717686B2 (en) * | 2017-12-04 | 2023-08-08 | Neuroenhancement Lab, LLC | Method and apparatus for neuroenhancement to facilitate learning and performance |
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JP2021084074A (ja) * | 2019-11-28 | 2021-06-03 | 太陽誘電株式会社 | 駆動装置、振動発生装置、電子機器及び駆動方法 |
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WO2023127256A1 (ja) * | 2021-12-28 | 2023-07-06 | 太陽誘電株式会社 | 触覚発生装置、入力装置、入力システム及び触覚発生装置の駆動方法 |
WO2023139928A1 (ja) * | 2022-01-18 | 2023-07-27 | 太陽誘電株式会社 | 触覚発生装置、触覚発生システム及び触覚発生装置の駆動方法 |
WO2023199624A1 (ja) * | 2022-04-15 | 2023-10-19 | 太陽誘電株式会社 | 触覚発生装置、触覚発生システム及び触覚発生装置の駆動方法 |
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