SG10202112538WA - Variable beam spacing, timing, and power for vehicle sensors - Google Patents

Variable beam spacing, timing, and power for vehicle sensors

Info

Publication number
SG10202112538WA
SG10202112538WA SG10202112538WA SG10202112538WA SG10202112538WA SG 10202112538W A SG10202112538W A SG 10202112538WA SG 10202112538W A SG10202112538W A SG 10202112538WA SG 10202112538W A SG10202112538W A SG 10202112538WA SG 10202112538W A SG10202112538W A SG 10202112538WA
Authority
SG
Singapore
Prior art keywords
timing
power
vehicle sensors
variable beam
beam spacing
Prior art date
Application number
SG10202112538WA
Inventor
Benjamin Ingram
Pierre-Yves Droz
Luke Wachter
Scott Mccloskey
Blaise Gassend
Gaetan Pennecot
Original Assignee
Waymo Llc
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 Waymo Llc filed Critical Waymo Llc
Publication of SG10202112538WA publication Critical patent/SG10202112538WA/en

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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple 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
    • 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
    • G01S17/90—Lidar systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques
    • 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
    • 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
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters 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
    • G01S7/483—Details of pulse systems
    • G01S7/484—Transmitters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4031—Edge-emitting structures
    • H01S5/4056—Edge-emitting structures emitting light in more than one direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
SG10202112538WA 2017-03-17 2018-03-16 Variable beam spacing, timing, and power for vehicle sensors SG10202112538WA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762473311P 2017-03-17 2017-03-17
US15/900,189 US10365351B2 (en) 2017-03-17 2018-02-20 Variable beam spacing, timing, and power for vehicle sensors

Publications (1)

Publication Number Publication Date
SG10202112538WA true SG10202112538WA (en) 2021-12-30

Family

ID=63519959

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201907861WA SG11201907861WA (en) 2017-03-17 2018-03-16 Variable beam spacing, timing, and power for vehicle sensors
SG10202112538WA SG10202112538WA (en) 2017-03-17 2018-03-16 Variable beam spacing, timing, and power for vehicle sensors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SG11201907861WA SG11201907861WA (en) 2017-03-17 2018-03-16 Variable beam spacing, timing, and power for vehicle sensors

Country Status (11)

Country Link
US (6) US10365351B2 (en)
EP (1) EP3596504A4 (en)
JP (2) JP7113018B2 (en)
KR (6) KR102165259B1 (en)
CN (1) CN110431448A (en)
AU (2) AU2018234848B2 (en)
CA (2) CA3056418C (en)
IL (2) IL307779A (en)
MX (1) MX2019010798A (en)
SG (2) SG11201907861WA (en)
WO (1) WO2018170423A1 (en)

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Also Published As

Publication number Publication date
JP2020511639A (en) 2020-04-16
US20220244356A1 (en) 2022-08-04
KR20200080349A (en) 2020-07-06
US10365351B2 (en) 2019-07-30
US10416290B2 (en) 2019-09-17
KR20210132236A (en) 2021-11-03
KR102530387B1 (en) 2023-05-09
WO2018170423A1 (en) 2018-09-20
AU2018234848B2 (en) 2020-10-08
KR102212365B1 (en) 2021-02-04
KR20200118247A (en) 2020-10-14
US20200225327A1 (en) 2020-07-16
AU2021200078B2 (en) 2022-06-02
US10634769B2 (en) 2020-04-28
KR20190120407A (en) 2019-10-23
CA3056418A1 (en) 2018-09-20
IL269291B1 (en) 2023-11-01
KR102129999B1 (en) 2020-07-03
KR102319494B1 (en) 2021-11-01
JP2022159326A (en) 2022-10-17
KR102389914B1 (en) 2022-04-25
IL307779A (en) 2023-12-01
SG11201907861WA (en) 2019-09-27
IL269291B2 (en) 2024-03-01
KR20210014225A (en) 2021-02-08
MX2019010798A (en) 2019-12-19
JP7411027B2 (en) 2024-01-10
KR20220054464A (en) 2022-05-02
IL269291A (en) 2019-11-28
US20190033430A1 (en) 2019-01-31
EP3596504A4 (en) 2021-03-24
CN110431448A (en) 2019-11-08
US10788571B2 (en) 2020-09-29
US20200217934A1 (en) 2020-07-09
AU2018234848A1 (en) 2019-11-07
CA3185078A1 (en) 2018-09-20
US20180356500A1 (en) 2018-12-13
CA3056418C (en) 2023-02-28
US11333746B2 (en) 2022-05-17
KR102165259B1 (en) 2020-10-13
JP7113018B2 (en) 2022-08-04
EP3596504A1 (en) 2020-01-22
AU2021200078A1 (en) 2021-03-18
US20180267146A1 (en) 2018-09-20

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