JP7306310B2 - 光測距装置 - Google Patents

光測距装置 Download PDF

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Publication number
JP7306310B2
JP7306310B2 JP2020072685A JP2020072685A JP7306310B2 JP 7306310 B2 JP7306310 B2 JP 7306310B2 JP 2020072685 A JP2020072685 A JP 2020072685A JP 2020072685 A JP2020072685 A JP 2020072685A JP 7306310 B2 JP7306310 B2 JP 7306310B2
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JP
Japan
Prior art keywords
light
optical
pseudo
detected
distance
Prior art date
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Active
Application number
JP2020072685A
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English (en)
Japanese (ja)
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JP2021169944A5 (enExample
JP2021169944A (ja
Inventor
大輔 ▲高▼棹
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to JP2020072685A priority Critical patent/JP7306310B2/ja
Priority to CN202180028772.4A priority patent/CN115427831B/zh
Priority to PCT/JP2021/014142 priority patent/WO2021210415A1/ja
Publication of JP2021169944A publication Critical patent/JP2021169944A/ja
Publication of JP2021169944A5 publication Critical patent/JP2021169944A5/ja
Priority to US18/046,772 priority patent/US20230065210A1/en
Application granted granted Critical
Publication of JP7306310B2 publication Critical patent/JP7306310B2/ja
Active legal-status Critical Current
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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
    • G01S7/483—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
    • 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
    • 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
    • G01S17/50—Systems of measurement based on relative movement of target
    • 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
    • G01S7/4808—Evaluating distance, position or velocity data
    • 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
    • G01S7/4865—Time delay measurement, e.g. time-of-flight measurement, time of arrival measurement or determining the exact position of a peak
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Traffic Control Systems (AREA)
JP2020072685A 2020-04-15 2020-04-15 光測距装置 Active JP7306310B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020072685A JP7306310B2 (ja) 2020-04-15 2020-04-15 光測距装置
CN202180028772.4A CN115427831B (zh) 2020-04-15 2021-04-01 光测距装置
PCT/JP2021/014142 WO2021210415A1 (ja) 2020-04-15 2021-04-01 光測距装置
US18/046,772 US20230065210A1 (en) 2020-04-15 2022-10-14 Optical distance measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020072685A JP7306310B2 (ja) 2020-04-15 2020-04-15 光測距装置

Publications (3)

Publication Number Publication Date
JP2021169944A JP2021169944A (ja) 2021-10-28
JP2021169944A5 JP2021169944A5 (enExample) 2022-03-23
JP7306310B2 true JP7306310B2 (ja) 2023-07-11

Family

ID=78083667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020072685A Active JP7306310B2 (ja) 2020-04-15 2020-04-15 光測距装置

Country Status (4)

Country Link
US (1) US20230065210A1 (enExample)
JP (1) JP7306310B2 (enExample)
CN (1) CN115427831B (enExample)
WO (1) WO2021210415A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7673763B2 (ja) * 2022-03-23 2025-05-09 株式会社デンソー 物体検出装置および物体検出方法
WO2023181947A1 (ja) * 2022-03-23 2023-09-28 株式会社デンソー 物体検出装置および物体検出方法
WO2023181948A1 (ja) * 2022-03-24 2023-09-28 株式会社デンソー ノイズ除去装置、物体検出装置およびノイズ除去方法
JP7673764B2 (ja) * 2022-03-24 2025-05-09 株式会社デンソー ノイズ除去装置、物体検出装置およびノイズ除去方法
JP2024072098A (ja) * 2022-11-15 2024-05-27 株式会社デンソー 物体検知装置及び物体検知方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006030094A (ja) 2004-07-20 2006-02-02 Keyence Corp 光学式変位計
JP2007304069A (ja) 2006-05-15 2007-11-22 Honda Motor Co Ltd 物体検知装置
JP2011128112A (ja) 2009-12-21 2011-06-30 Denso Wave Inc レーザレーダ装置
JP2013164385A (ja) 2012-02-13 2013-08-22 Denso Corp レーダ装置
JP2016080649A (ja) 2014-10-22 2016-05-16 株式会社デンソー 物体検知装置
WO2017221909A1 (ja) 2016-06-21 2017-12-28 コニカミノルタ株式会社 距離測定装置
JP2019144210A (ja) 2018-02-23 2019-08-29 コニカミノルタ株式会社 物体検出システム
JP2020020612A (ja) 2018-07-30 2020-02-06 株式会社リコー 測距装置、測距方法、プログラム、移動体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9502087D0 (en) * 1995-02-02 1995-03-22 Croma Dev Ltd Improvements relating to pulse echo distance measurement
JPH1164497A (ja) * 1997-08-15 1999-03-05 Mitsubishi Electric Corp レーダ装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006030094A (ja) 2004-07-20 2006-02-02 Keyence Corp 光学式変位計
JP2007304069A (ja) 2006-05-15 2007-11-22 Honda Motor Co Ltd 物体検知装置
JP2011128112A (ja) 2009-12-21 2011-06-30 Denso Wave Inc レーザレーダ装置
JP2013164385A (ja) 2012-02-13 2013-08-22 Denso Corp レーダ装置
JP2016080649A (ja) 2014-10-22 2016-05-16 株式会社デンソー 物体検知装置
WO2017221909A1 (ja) 2016-06-21 2017-12-28 コニカミノルタ株式会社 距離測定装置
JP2019144210A (ja) 2018-02-23 2019-08-29 コニカミノルタ株式会社 物体検出システム
JP2020020612A (ja) 2018-07-30 2020-02-06 株式会社リコー 測距装置、測距方法、プログラム、移動体

Also Published As

Publication number Publication date
CN115427831B (zh) 2025-03-25
JP2021169944A (ja) 2021-10-28
CN115427831A (zh) 2022-12-02
US20230065210A1 (en) 2023-03-02
WO2021210415A1 (ja) 2021-10-21

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