CN109922897A - 具有用于检测故障或降级的阻抗监测的超声透镜清洁系统 - Google Patents

具有用于检测故障或降级的阻抗监测的超声透镜清洁系统 Download PDF

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Publication number
CN109922897A
CN109922897A CN201780067964.XA CN201780067964A CN109922897A CN 109922897 A CN109922897 A CN 109922897A CN 201780067964 A CN201780067964 A CN 201780067964A CN 109922897 A CN109922897 A CN 109922897A
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CN
China
Prior art keywords
frequency response
frequency
interest
baseline
response value
Prior art date
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Pending
Application number
CN201780067964.XA
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English (en)
Chinese (zh)
Inventor
大卫·帕特里克·马吉
斯蒂芬·约翰·费迪甘
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Texas Instruments Inc
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Texas Instruments Inc
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Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CN109922897A publication Critical patent/CN109922897A/zh
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • B08B7/026—Using sound waves
    • B08B7/028—Using ultrasounds
    • 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
    • B06B1/0284—Driving circuits for generating signals continuous in time for generating multiple frequencies with consecutive, i.e. sequential generation, e.g. with frequency sweep
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Lens Barrels (AREA)
CN201780067964.XA 2016-11-01 2017-11-01 具有用于检测故障或降级的阻抗监测的超声透镜清洁系统 Pending CN109922897A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662415554P 2016-11-01 2016-11-01
US62/415,554 2016-11-01
US15/497,624 US10682675B2 (en) 2016-11-01 2017-04-26 Ultrasonic lens cleaning system with impedance monitoring to detect faults or degradation
US15/497,624 2017-04-26
PCT/US2017/059536 WO2018085403A1 (en) 2016-11-01 2017-11-01 Ultrasonic lens cleaning system with impedance monitoring to detect faults or degradation

Publications (1)

Publication Number Publication Date
CN109922897A true CN109922897A (zh) 2019-06-21

Family

ID=62020121

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780067964.XA Pending CN109922897A (zh) 2016-11-01 2017-11-01 具有用于检测故障或降级的阻抗监测的超声透镜清洁系统

Country Status (5)

Country Link
US (1) US10682675B2 (https=)
EP (1) EP3535067A4 (https=)
JP (2) JP7265106B2 (https=)
CN (1) CN109922897A (https=)
WO (1) WO2018085403A1 (https=)

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CN112133328A (zh) * 2020-08-03 2020-12-25 北京百度网讯科技有限公司 音频数据的测评信息生成方法和装置
CN113494907A (zh) * 2021-07-01 2021-10-12 广西华都建筑科技有限公司崇左分公司 一种工程质量检测用垂直度检测装置
CN113825570A (zh) * 2020-04-17 2021-12-21 株式会社村田制作所 振动装置
CN115268064A (zh) * 2022-06-27 2022-11-01 江西联创电子有限公司 一种高频振动除雾除尘镜头及其除雾除尘方法
CN115362527A (zh) * 2020-04-02 2022-11-18 应用材料公司 用于处理腔室中的特征和故障检测的波特指纹法
CN115770755A (zh) * 2021-09-09 2023-03-10 德州仪器公司 用于超声波透镜清洁的托架设计

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US10384239B2 (en) 2016-09-27 2019-08-20 Texas Instruments Incorporated Methods and apparatus for ultrasonic lens cleaner using configurable filter banks
US10682675B2 (en) * 2016-11-01 2020-06-16 Texas Instruments Incorporated Ultrasonic lens cleaning system with impedance monitoring to detect faults or degradation
US11237387B2 (en) * 2016-12-05 2022-02-01 Texas Instruments Incorporated Ultrasonic lens cleaning system with foreign material detection
US10663418B2 (en) 2017-02-03 2020-05-26 Texas Instruments Incorporated Transducer temperature sensing
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US11420238B2 (en) 2017-02-27 2022-08-23 Texas Instruments Incorporated Transducer-induced heating-facilitated cleaning
US10780467B2 (en) 2017-04-20 2020-09-22 Texas Instruments Incorporated Methods and apparatus for surface wetting control
US11607704B2 (en) 2017-04-20 2023-03-21 Texas Instruments Incorporated Methods and apparatus for electrostatic control of expelled material for lens cleaners
US10908414B2 (en) 2017-05-10 2021-02-02 Texas Instruments Incorporated Lens cleaning via electrowetting
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WO2021059030A1 (en) 2019-09-27 2021-04-01 Precision Planting Llc Agricultural spraying system
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JP7072956B1 (ja) * 2021-12-16 2022-05-23 有限会社エスアンドアールプロジェクト カメラおよび車両
JP7816380B2 (ja) * 2021-12-28 2026-02-18 株式会社村田製作所 振動装置及び撮像装置
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DE112022006181T5 (de) * 2022-02-25 2024-11-14 Murata Manufacturing Co., Ltd. Optische vorrichtung und bilderzeugungseinheit, die die optische vorrichtung umfasst
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WO2024262607A1 (ja) * 2023-06-22 2024-12-26 マクセル株式会社 レンズユニット、カメラモジュール、撮像システムおよび移動体
US20240424537A1 (en) * 2023-06-23 2024-12-26 Texas Instruments Incorporated Watertight housing designs for ultrasonic lens cleaning
US12526889B2 (en) 2023-08-29 2026-01-13 Creeled, Inc. Light-emitting diode packages with varying current pulse width modulation and related methods
US12437707B2 (en) 2023-09-27 2025-10-07 Creeled, Inc. Pseudo-exponential encoding for light-emitting devices and related methods
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CN113494907A (zh) * 2021-07-01 2021-10-12 广西华都建筑科技有限公司崇左分公司 一种工程质量检测用垂直度检测装置
CN113494907B (zh) * 2021-07-01 2022-11-11 广西华都建筑科技有限公司崇左分公司 一种工程质量检测用垂直度检测装置
CN115770755A (zh) * 2021-09-09 2023-03-10 德州仪器公司 用于超声波透镜清洁的托架设计
CN115268064A (zh) * 2022-06-27 2022-11-01 江西联创电子有限公司 一种高频振动除雾除尘镜头及其除雾除尘方法

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EP3535067A4 (en) 2019-11-06
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