GB2620312B - Optical measurement device - Google Patents

Optical measurement device Download PDF

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Publication number
GB2620312B
GB2620312B GB2315028.7A GB202315028A GB2620312B GB 2620312 B GB2620312 B GB 2620312B GB 202315028 A GB202315028 A GB 202315028A GB 2620312 B GB2620312 B GB 2620312B
Authority
GB
United Kingdom
Prior art keywords
measurement device
optical measurement
optical
measurement
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.)
Active
Application number
GB2315028.7A
Other languages
English (en)
Other versions
GB2620312A (en
GB202315028D0 (en
Inventor
Yamauchi Takanori
Nishioka Junya
Goto Hiroki
Suzuki Naoki
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 GB202315028D0 publication Critical patent/GB202315028D0/en
Publication of GB2620312A publication Critical patent/GB2620312A/en
Application granted granted Critical
Publication of GB2620312B publication Critical patent/GB2620312B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
    • 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
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4913—Circuits for detection, sampling, integration or read-out

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)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
GB2315028.7A 2021-04-06 2021-04-06 Optical measurement device Active GB2620312B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/014590 WO2022215152A1 (ja) 2021-04-06 2021-04-06 光測定装置

Publications (3)

Publication Number Publication Date
GB202315028D0 GB202315028D0 (en) 2023-11-15
GB2620312A GB2620312A (en) 2024-01-03
GB2620312B true GB2620312B (en) 2024-08-21

Family

ID=81584957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2315028.7A Active GB2620312B (en) 2021-04-06 2021-04-06 Optical measurement device

Country Status (6)

Country Link
US (1) US20230367011A1 (https=)
JP (1) JP7066075B1 (https=)
KR (1) KR102680481B1 (https=)
CN (1) CN117099013A (https=)
GB (1) GB2620312B (https=)
WO (1) WO2022215152A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102650419B1 (ko) * 2021-06-18 2024-03-21 미쓰비시덴키 가부시키가이샤 광 센서 장치
CN117269949B (zh) * 2023-11-22 2024-02-13 深圳市中图仪器股份有限公司 用于扩展调频连续波测距范围的方法及装置
JP7738798B1 (ja) * 2024-05-31 2025-09-12 三菱電機株式会社 光測距装置および光測距方法
WO2025248797A1 (ja) * 2024-05-31 2025-12-04 三菱電機株式会社 光測距装置および光測距方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001041706A (ja) * 1999-07-27 2001-02-16 Mitsubishi Heavy Ind Ltd 光周波数領域反射測定装置および光周波数領域反射測定方法
US6573996B1 (en) * 1997-11-12 2003-06-03 Science Research Laboratory, Inc. Method and apparatus for enhanced precision interferometric distance measurement
JP2008268121A (ja) * 2007-04-24 2008-11-06 Yamatake Corp 光干渉式測定装置
JP2009103688A (ja) * 2007-10-04 2009-05-14 Canon Inc 光干渉断層撮像装置
JP2009222665A (ja) * 2008-03-18 2009-10-01 Toyota Central R&D Labs Inc 距離測定装置および距離測定方法
WO2015087564A1 (ja) * 2013-12-10 2015-06-18 三菱電機株式会社 レーザレーダ装置
CN108562887A (zh) * 2018-04-27 2018-09-21 北京工业大学 一种基于波分复用的多波长激光雷达
WO2019130472A1 (ja) * 2017-12-27 2019-07-04 三菱電機株式会社 レーザレーダ装置
JP2020085723A (ja) * 2018-11-28 2020-06-04 国立研究開発法人産業技術総合研究所 光学的測定装置及び測定方法
US20200319314A1 (en) * 2019-04-04 2020-10-08 Aeva, Inc. Lidar system with a multi-mode waveguide photodetector
WO2021000026A1 (en) * 2019-07-04 2021-01-07 Baraja Pty Ltd Homodyne receive architecture in a spatial estimation system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4916573B2 (ja) * 2010-01-28 2012-04-11 パナソニック株式会社 光干渉計測方法および光干渉計測装置
KR101941581B1 (ko) * 2016-09-08 2019-01-24 휴멘 주식회사 광학식 거리 측정 장치
US10401495B2 (en) * 2017-07-10 2019-09-03 Blackmore Sensors and Analytics Inc. Method and system for time separated quadrature detection of doppler effects in optical range measurements
JP7074311B2 (ja) * 2017-08-30 2022-05-24 国立研究開発法人産業技術総合研究所 光学的距離測定装置および測定方法

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6573996B1 (en) * 1997-11-12 2003-06-03 Science Research Laboratory, Inc. Method and apparatus for enhanced precision interferometric distance measurement
JP2001041706A (ja) * 1999-07-27 2001-02-16 Mitsubishi Heavy Ind Ltd 光周波数領域反射測定装置および光周波数領域反射測定方法
JP2008268121A (ja) * 2007-04-24 2008-11-06 Yamatake Corp 光干渉式測定装置
JP2009103688A (ja) * 2007-10-04 2009-05-14 Canon Inc 光干渉断層撮像装置
JP2009222665A (ja) * 2008-03-18 2009-10-01 Toyota Central R&D Labs Inc 距離測定装置および距離測定方法
WO2015087564A1 (ja) * 2013-12-10 2015-06-18 三菱電機株式会社 レーザレーダ装置
WO2019130472A1 (ja) * 2017-12-27 2019-07-04 三菱電機株式会社 レーザレーダ装置
CN108562887A (zh) * 2018-04-27 2018-09-21 北京工业大学 一种基于波分复用的多波长激光雷达
JP2020085723A (ja) * 2018-11-28 2020-06-04 国立研究開発法人産業技術総合研究所 光学的測定装置及び測定方法
US20200319314A1 (en) * 2019-04-04 2020-10-08 Aeva, Inc. Lidar system with a multi-mode waveguide photodetector
WO2021000026A1 (en) * 2019-07-04 2021-01-07 Baraja Pty Ltd Homodyne receive architecture in a spatial estimation system

Also Published As

Publication number Publication date
GB2620312A (en) 2024-01-03
KR20230128381A (ko) 2023-09-04
US20230367011A1 (en) 2023-11-16
JP7066075B1 (ja) 2022-05-12
GB202315028D0 (en) 2023-11-15
JPWO2022215152A1 (https=) 2022-10-13
CN117099013A (zh) 2023-11-21
WO2022215152A1 (ja) 2022-10-13
KR102680481B1 (ko) 2024-07-01

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