CA2833435C - Multiple-field-of-view scannerless optical rangefinder in high ambient background light - Google Patents

Multiple-field-of-view scannerless optical rangefinder in high ambient background light Download PDF

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Publication number
CA2833435C
CA2833435C CA2833435A CA2833435A CA2833435C CA 2833435 C CA2833435 C CA 2833435C CA 2833435 A CA2833435 A CA 2833435A CA 2833435 A CA2833435 A CA 2833435A CA 2833435 C CA2833435 C CA 2833435C
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Prior art keywords
optical
rangefinder
channel
mcor
light
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CA2833435A
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English (en)
French (fr)
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CA2833435A1 (en
Inventor
Yvan Mimeault
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Leddartech Holdings Inc
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Leddartech Inc
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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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4861—Circuits for detection, sampling, integration or read-out
    • G01S7/4863—Detector arrays, e.g. charge-transfer gates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • G01C3/08—Use of electric radiation detectors
    • 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
    • G01S17/14—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance with the pulse transmission and echo reception respectively, e.g. using counters
    • 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
    • G01S17/88—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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
CA2833435A 2011-05-11 2012-05-11 Multiple-field-of-view scannerless optical rangefinder in high ambient background light Active CA2833435C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/105,497 2011-05-11
US13/105,497 US8908159B2 (en) 2011-05-11 2011-05-11 Multiple-field-of-view scannerless optical rangefinder in high ambient background light
PCT/IB2012/052365 WO2012153309A2 (en) 2011-05-11 2012-05-11 Multiple-field-of-view scannerless optical rangefinder in high ambient background light

Publications (2)

Publication Number Publication Date
CA2833435A1 CA2833435A1 (en) 2012-11-15
CA2833435C true CA2833435C (en) 2016-07-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2833435A Active CA2833435C (en) 2011-05-11 2012-05-11 Multiple-field-of-view scannerless optical rangefinder in high ambient background light

Country Status (6)

Country Link
US (3) US8908159B2 (enExample)
EP (1) EP2707748B1 (enExample)
JP (2) JP2014517921A (enExample)
CN (1) CN103502841B (enExample)
CA (1) CA2833435C (enExample)
WO (1) WO2012153309A2 (enExample)

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USRE48763E1 (en) 2021-10-05
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WO2012153309A2 (en) 2012-11-15
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