DE112020007572T5 - Abstandsmessvorrichtung - Google Patents

Abstandsmessvorrichtung Download PDF

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Publication number
DE112020007572T5
DE112020007572T5 DE112020007572.9T DE112020007572T DE112020007572T5 DE 112020007572 T5 DE112020007572 T5 DE 112020007572T5 DE 112020007572 T DE112020007572 T DE 112020007572T DE 112020007572 T5 DE112020007572 T5 DE 112020007572T5
Authority
DE
Germany
Prior art keywords
light
axis
optical system
aperture
scanning mirror
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DE112020007572.9T
Other languages
German (de)
English (en)
Inventor
Natsuki Honda
Masayuki Omaki
Shota Nakahara
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE112020007572T5 publication Critical patent/DE112020007572T5/de
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • 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
    • 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
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD

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  • 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)
  • Optics & Photonics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
  • Mechanical Optical Scanning Systems (AREA)
DE112020007572.9T 2020-08-31 2020-08-31 Abstandsmessvorrichtung Pending DE112020007572T5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/032857 WO2022044317A1 (ja) 2020-08-31 2020-08-31 測距装置

Publications (1)

Publication Number Publication Date
DE112020007572T5 true DE112020007572T5 (de) 2023-06-22

Family

ID=80354895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112020007572.9T Pending DE112020007572T5 (de) 2020-08-31 2020-08-31 Abstandsmessvorrichtung

Country Status (4)

Country Link
US (1) US20230258779A1 (https=)
JP (1) JP7483016B2 (https=)
DE (1) DE112020007572T5 (https=)
WO (1) WO2022044317A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6519033B1 (ja) 2018-07-03 2019-05-29 Ｄｏｌｐｈｉｎ株式会社 物体検出装置、物体検出方法、および物体検出装置の設計方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001343602A (ja) * 2000-03-29 2001-12-14 Canon Inc 光走査光学系及びそれを用いた画像形成装置
JP4158611B2 (ja) * 2002-09-06 2008-10-01 株式会社日立製作所 投射型映像表示装置
WO2017183530A1 (ja) * 2016-04-21 2017-10-26 コニカミノルタ株式会社 対象物検出装置
CN109997057B (zh) * 2016-09-20 2020-07-14 创新科技有限公司 激光雷达系统和方法
US20180164412A1 (en) * 2016-12-13 2018-06-14 Sensl Technologies Ltd. LiDAR Apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6519033B1 (ja) 2018-07-03 2019-05-29 Ｄｏｌｐｈｉｎ株式会社 物体検出装置、物体検出方法、および物体検出装置の設計方法

Also Published As

Publication number Publication date
WO2022044317A1 (ja) 2022-03-03
JP7483016B2 (ja) 2024-05-14
JPWO2022044317A1 (https=) 2022-03-03
US20230258779A1 (en) 2023-08-17

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R084 Declaration of willingness to licence
R016 Response to examination communication