JP7548408B2 - 物体検知システム - Google Patents

物体検知システム Download PDF

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Publication number
JP7548408B2
JP7548408B2 JP2023503361A JP2023503361A JP7548408B2 JP 7548408 B2 JP7548408 B2 JP 7548408B2 JP 2023503361 A JP2023503361 A JP 2023503361A JP 2023503361 A JP2023503361 A JP 2023503361A JP 7548408 B2 JP7548408 B2 JP 7548408B2
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Japan
Prior art keywords
sound
sound wave
capacitor
switching element
object detection
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JP2023503361A
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English (en)
Japanese (ja)
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JPWO2022185595A1 (https=
JPWO2022185595A5 (https=
Inventor
晋一 佐々木
隆昭 浅田
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
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Murata Manufacturing Co Ltd
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Publication date
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Publication of JPWO2022185595A1 publication Critical patent/JPWO2022185595A1/ja
Publication of JPWO2022185595A5 publication Critical patent/JPWO2022185595A5/ja
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Publication of JP7548408B2 publication Critical patent/JP7548408B2/ja
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/101—Particularities of the measurement of distance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/524—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP2023503361A 2021-03-03 2021-10-13 物体検知システム Active JP7548408B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021033499 2021-03-03
JP2021033499 2021-03-03
PCT/JP2021/037868 WO2022185595A1 (ja) 2021-03-03 2021-10-13 物体検知システム

Publications (3)

Publication Number Publication Date
JPWO2022185595A1 JPWO2022185595A1 (https=) 2022-09-09
JPWO2022185595A5 JPWO2022185595A5 (https=) 2023-08-03
JP7548408B2 true JP7548408B2 (ja) 2024-09-10

Family

ID=83154184

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023503361A Active JP7548408B2 (ja) 2021-03-03 2021-10-13 物体検知システム

Country Status (5)

Country Link
US (1) US20230367007A1 (https=)
JP (1) JP7548408B2 (https=)
CN (1) CN116710805A (https=)
DE (1) DE112021007190T5 (https=)
WO (1) WO2022185595A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12517246B2 (en) * 2021-06-30 2026-01-06 Aisin Corporation Object detection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6680603B1 (en) 1997-04-10 2004-01-20 Asm Automation Sensorik Messtechnik Gmbh High-efficiency method and pulse generator for generating short voltage pulses
JP2014232069A (ja) 2013-05-30 2014-12-11 本田技研工業株式会社 物体検出装置
JP2017181157A (ja) 2016-03-29 2017-10-05 パナソニックＩｐマネジメント株式会社 検出装置および検出方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57206869A (en) * 1981-06-15 1982-12-18 Koden Electronics Co Ltd Transmitting device for ultrasonic pulse
US5020411A (en) * 1989-03-06 1991-06-04 Larry Rowan Mobile assault logistic kinetmatic engagement device
US7104131B2 (en) * 2004-03-17 2006-09-12 Battelle Energy Alliance, Llc Ultrasonic pulser-receiver
JP2006220636A (ja) * 2004-07-27 2006-08-24 Matsushita Electric Works Ltd 音波センサ
US7977820B2 (en) * 2008-02-14 2011-07-12 Supertex, Inc. Ultrasound transmit pulse generator
US9635468B2 (en) * 2013-03-15 2017-04-25 Board Of Regents, The University Of Texas System Encapsulated thermoacoustic projector based on freestanding carbon nanotube film
CN104076364A (zh) * 2014-07-15 2014-10-01 哈尔滨工业大学 基于超声波定位技术的汽车障碍探测系统
JP6549833B2 (ja) * 2014-11-06 2019-07-24 シャープ株式会社 人感知装置を備えた画像形成装置
JP6701069B2 (ja) 2016-12-26 2020-05-27 株式会社Ｓｏｋｅｎ 物体検知装置
CN116685847A (zh) * 2020-11-13 2023-09-01 决策科学医疗有限责任公司 用于对象的合成孔径超声成像的系统和方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6680603B1 (en) 1997-04-10 2004-01-20 Asm Automation Sensorik Messtechnik Gmbh High-efficiency method and pulse generator for generating short voltage pulses
JP2014232069A (ja) 2013-05-30 2014-12-11 本田技研工業株式会社 物体検出装置
JP2017181157A (ja) 2016-03-29 2017-10-05 パナソニックＩｐマネジメント株式会社 検出装置および検出方法

Also Published As

Publication number Publication date
JPWO2022185595A1 (https=) 2022-09-09
US20230367007A1 (en) 2023-11-16
CN116710805A (zh) 2023-09-05
DE112021007190T5 (de) 2024-01-18
WO2022185595A1 (ja) 2022-09-09

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