JPWO2022215152A1 - - Google Patents

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Publication number
JPWO2022215152A1
JPWO2022215152A1 JP2021573149A JP2021573149A JPWO2022215152A1 JP WO2022215152 A1 JPWO2022215152 A1 JP WO2022215152A1 JP 2021573149 A JP2021573149 A JP 2021573149A JP 2021573149 A JP2021573149 A JP 2021573149A JP WO2022215152 A1 JPWO2022215152 A1 JP WO2022215152A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021573149A
Other languages
Japanese (ja)
Other versions
JP7066075B1 (ja
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
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Application granted granted Critical
Publication of JP7066075B1 publication Critical patent/JP7066075B1/ja
Publication of JPWO2022215152A1 publication Critical patent/JPWO2022215152A1/ja
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
    • 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
    • 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

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)
JP2021573149A 2021-04-06 2021-04-06 光測定装置 Active JP7066075B1 (ja)

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 (2)

Publication Number Publication Date
JP7066075B1 JP7066075B1 (ja) 2022-05-12
JPWO2022215152A1 true JPWO2022215152A1 (https=) 2022-10-13

Family

ID=81584957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021573149A Active JP7066075B1 (ja) 2021-04-06 2021-04-06 光測定装置

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

Family Cites Families (15)

* 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
JP3513432B2 (ja) * 1999-07-27 2004-03-31 三菱重工業株式会社 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
JP4892401B2 (ja) * 2007-04-24 2012-03-07 株式会社山武 光干渉式測定装置
JP5339828B2 (ja) * 2007-10-04 2013-11-13 キヤノン株式会社 光干渉断層撮像装置及び光干渉断層撮像方法
JP5663824B2 (ja) * 2008-03-18 2015-02-04 株式会社豊田中央研究所 距離測定装置
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
US20160291137A1 (en) * 2013-12-10 2016-10-06 Mitsubishi Electric Corporation Laser radar device
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
US11327176B2 (en) * 2017-12-27 2022-05-10 Mitsubishi Electric Corporation Laser radar device
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
JP7169642B2 (ja) 2018-11-28 2022-11-11 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
US11754681B2 (en) * 2019-04-04 2023-09-12 Aeva, Inc. LIDAR system with a multi-mode waveguide photodetector
EP3994488A4 (en) * 2019-07-04 2023-07-19 Baraja Pty Ltd HOMODYNE RECEPTION 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
GB2620312B (en) 2024-08-21
JP7066075B1 (ja) 2022-05-12
GB202315028D0 (en) 2023-11-15
CN117099013A (zh) 2023-11-21
WO2022215152A1 (ja) 2022-10-13
KR102680481B1 (ko) 2024-07-01

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