JP7656723B2 - 測距装置 - Google Patents

測距装置 Download PDF

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Publication number
JP7656723B2
JP7656723B2 JP2023562413A JP2023562413A JP7656723B2 JP 7656723 B2 JP7656723 B2 JP 7656723B2 JP 2023562413 A JP2023562413 A JP 2023562413A JP 2023562413 A JP2023562413 A JP 2023562413A JP 7656723 B2 JP7656723 B2 JP 7656723B2
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JP
Japan
Prior art keywords
light
detection process
measuring device
distance measuring
control unit
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Active
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JP2023562413A
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English (en)
Japanese (ja)
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JPWO2023090415A1 (https=
Inventor
研一郎 細井
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Pioneer Corp
Pioneer Smart Sensing Innovations Corp
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Pioneer Corp
Pioneer Smart Sensing Innovations Corp
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Publication of JPWO2023090415A1 publication Critical patent/JPWO2023090415A1/ja
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    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4868—Controlling received signal intensity or exposure of sensor
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/42—Simultaneous measurement of distance and other co-ordinates
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/4802—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G01S2007/4975—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/487—Extracting wanted echo signals, e.g. pulse detection
    • G01S7/4876—Extracting wanted echo signals, e.g. pulse detection by removing unwanted signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
JP2023562413A 2021-11-18 2022-11-18 測距装置 Active JP7656723B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021187618 2021-11-18
JP2021187618 2021-11-18
PCT/JP2022/042828 WO2023090415A1 (ja) 2021-11-18 2022-11-18 測距装置

Publications (2)

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JPWO2023090415A1 JPWO2023090415A1 (https=) 2023-05-25
JP7656723B2 true JP7656723B2 (ja) 2025-04-03

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JP2023562413A Active JP7656723B2 (ja) 2021-11-18 2022-11-18 測距装置

Country Status (5)

Country Link
US (1) US20250044424A1 (https=)
EP (1) EP4435471A4 (https=)
JP (1) JP7656723B2 (https=)
CN (1) CN118302693A (https=)
WO (1) WO2023090415A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003114277A (ja) 2001-10-04 2003-04-18 Nissan Motor Co Ltd 車間距離計測装置
JP2011004230A (ja) 2009-06-19 2011-01-06 Sharp Corp 物体検出装置および電子機器
JP2011013135A (ja) 2009-07-03 2011-01-20 Nippon Signal Co Ltd:The 光測距装置
JP2011215005A (ja) 2010-03-31 2011-10-27 Hokuyo Automatic Co 信号処理装置、及び走査式測距装置
CN111398970A (zh) 2018-12-28 2020-07-10 北京小米移动软件有限公司 事件检测方法、距离传感器及终端
US20210239806A1 (en) 2018-03-20 2021-08-05 Zoox, Inc. Selecting lidar pulse detector depending on pulse type

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4375064B2 (ja) * 2004-03-10 2009-12-02 株式会社デンソー レーダ装置
US8415609B2 (en) * 2009-01-31 2013-04-09 Keyence Corporation Safety photoelectric switch
DE102009057104B4 (de) * 2009-12-04 2014-05-28 Sick Ag Entfernungsmessender Laserscanner
WO2019064062A1 (en) * 2017-09-26 2019-04-04 Innoviz Technologies Ltd. SYSTEMS AND METHODS FOR DETECTION AND LOCATION BY LIGHT
JP7151519B2 (ja) * 2019-02-01 2022-10-12 株式会社デンソーウェーブ 距離画像測定装置
DK3862780T3 (da) * 2020-02-07 2022-02-14 Sick Ag Sikkerhedslaserscanner og fremgangsmåde til overvågning af en frontrude
JP7463852B2 (ja) 2020-05-29 2024-04-09 株式会社リコー 綴じ装置、後処理装置、及び、画像形成システム
US10969491B1 (en) * 2020-08-14 2021-04-06 Aeva, Inc. LIDAR window blockage detection

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003114277A (ja) 2001-10-04 2003-04-18 Nissan Motor Co Ltd 車間距離計測装置
JP2011004230A (ja) 2009-06-19 2011-01-06 Sharp Corp 物体検出装置および電子機器
JP2011013135A (ja) 2009-07-03 2011-01-20 Nippon Signal Co Ltd:The 光測距装置
JP2011215005A (ja) 2010-03-31 2011-10-27 Hokuyo Automatic Co 信号処理装置、及び走査式測距装置
US20210239806A1 (en) 2018-03-20 2021-08-05 Zoox, Inc. Selecting lidar pulse detector depending on pulse type
CN111398970A (zh) 2018-12-28 2020-07-10 北京小米移动软件有限公司 事件检测方法、距离传感器及终端

Also Published As

Publication number Publication date
WO2023090415A1 (ja) 2023-05-25
EP4435471A1 (en) 2024-09-25
US20250044424A1 (en) 2025-02-06
CN118302693A (zh) 2024-07-05
JPWO2023090415A1 (https=) 2023-05-25
EP4435471A4 (en) 2025-10-15

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