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EP4022357A4 - LIGHT DETECTION AND TELEMETRY SYSTEMS AND METHODS - Google Patents

LIGHT DETECTION AND TELEMETRY SYSTEMS AND METHODS Download PDF

Info

Publication number
EP4022357A4
EP4022357A4 EP20916044.9A EP20916044A EP4022357A4 EP 4022357 A4 EP4022357 A4 EP 4022357A4 EP 20916044 A EP20916044 A EP 20916044A EP 4022357 A4 EP4022357 A4 EP 4022357A4
Authority
EP
European Patent Office
Prior art keywords
methods
light detection
telemetry systems
telemetry
systems
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
EP20916044.9A
Other languages
German (de)
French (fr)
Other versions
EP4022357A1 (en
Inventor
Zhengqing PAN
Shaoqing Xiang
Yifan Li
Kai Sun
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.)
Hesai Technology Co Ltd
Original Assignee
Hesai Technology Co Ltd
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 Hesai Technology Co Ltd filed Critical Hesai Technology Co Ltd
Publication of EP4022357A1 publication Critical patent/EP4022357A1/en
Publication of EP4022357A4 publication Critical patent/EP4022357A4/en
Pending legal-status Critical Current

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
    • G01S17/10—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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • 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
    • G01S7/484—Transmitters
    • 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
    • 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

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)
EP20916044.9A 2020-01-21 2020-01-21 LIGHT DETECTION AND TELEMETRY SYSTEMS AND METHODS Pending EP4022357A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/073629 WO2021146954A1 (en) 2020-01-21 2020-01-21 Systems and methods for light detection and ranging

Publications (2)

Publication Number Publication Date
EP4022357A1 EP4022357A1 (en) 2022-07-06
EP4022357A4 true EP4022357A4 (en) 2023-05-03

Family

ID=76992774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20916044.9A Pending EP4022357A4 (en) 2020-01-21 2020-01-21 LIGHT DETECTION AND TELEMETRY SYSTEMS AND METHODS

Country Status (3)

Country Link
EP (1) EP4022357A4 (en)
CN (1) CN115190979A (en)
WO (1) WO2021146954A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11346952B2 (en) 2017-12-08 2022-05-31 Hesai Technology Co., Ltd. Systems and methods for light detection and ranging
US20230078949A1 (en) * 2021-09-10 2023-03-16 Leica Geosystems Ag Airborne laser scanner
KR20240072247A (en) * 2021-10-09 2024-05-23 후아웨이 테크놀러지 컴퍼니 리미티드 Control method and device, lidar and terminal device
CN115079193A (en) * 2022-05-23 2022-09-20 深圳阜时科技有限公司 Photoelectric detection device, control method, electronic apparatus, and storage medium
CN116125438B (en) * 2022-12-16 2025-03-21 深圳阜时科技有限公司 Transmitting module, photoelectric distance measuring device, electronic equipment and photoelectric distance measuring method
CN120214746A (en) * 2023-12-19 2025-06-27 深圳引望智能技术有限公司 A detection method, detection device and terminal equipment
CN118376998B (en) * 2024-06-21 2024-10-29 浙江大华技术股份有限公司 Data processing method and device of laser radar, storage medium and electronic equipment

Citations (3)

* Cited by examiner, † Cited by third party
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US20150062557A1 (en) * 2013-08-28 2015-03-05 Vectronix Ag Stabilized distance measurement in the observation device
CN104730535A (en) * 2015-03-20 2015-06-24 武汉科技大学 Vehicle-mounted Doppler laser radar distance measuring method
US20190120942A1 (en) * 2017-10-19 2019-04-25 Innovusion Ireland Limited Lidar with large dynamic range

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CN102200580A (en) * 2010-03-25 2011-09-28 付陆欣 Ranging method for handheld laser range finder
CN101876571B (en) * 2010-06-08 2011-09-14 中国科学院上海光学精密机械研究所 Pulse replication ring device for improving nanosecond pulse single measurement dynamic range
US9213085B2 (en) * 2012-02-16 2015-12-15 Nucript LLC System and method for measuring the phase of a modulated optical signal
JP6103179B2 (en) * 2012-09-13 2017-03-29 株式会社リコー Distance measuring device
CN103616696B (en) * 2013-11-27 2015-10-21 中国电子科技集团公司第三十八研究所 A kind of method of laser imaging radar device and range finding thereof
US9575184B2 (en) * 2014-07-03 2017-02-21 Continental Advanced Lidar Solutions Us, Inc. LADAR sensor for a dense environment
CN106154248A (en) * 2016-09-13 2016-11-23 深圳市佶达德科技有限公司 A kind of laser radar optical receiver assembly and laser radar range method
CN206450825U (en) * 2016-12-08 2017-08-29 北京万集科技股份有限公司 A kind of bidifly light drive circuit and scanning type laser radar ranging equipment
US11092674B2 (en) * 2017-07-13 2021-08-17 Texas Instruments Incorporated Transmit signal design for an optical distance measurement system
CN107807364B (en) * 2017-09-22 2019-11-15 中国科学院西安光学精密机械研究所 A three-dimensional imaging photon counting system and its dynamic bias control method
CN108089201B (en) * 2017-12-08 2020-04-24 上海禾赛光电科技有限公司 Obstacle information acquisition method, laser pulse emission method and device
CN109116331B (en) * 2018-06-27 2020-04-24 上海禾赛光电科技有限公司 Coding laser transceiver, distance measuring device and laser radar system
US10969476B2 (en) * 2018-07-10 2021-04-06 Rockwell Automation Technologies, Inc. High dynamic range for sensing systems and methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150062557A1 (en) * 2013-08-28 2015-03-05 Vectronix Ag Stabilized distance measurement in the observation device
CN104730535A (en) * 2015-03-20 2015-06-24 武汉科技大学 Vehicle-mounted Doppler laser radar distance measuring method
US20190120942A1 (en) * 2017-10-19 2019-04-25 Innovusion Ireland Limited Lidar with large dynamic range

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021146954A1 *

Also Published As

Publication number Publication date
WO2021146954A1 (en) 2021-07-29
CN115190979A (en) 2022-10-14
EP4022357A1 (en) 2022-07-06

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