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公开(公告)号：US12130383B2
公开(公告)日：2024-10-29
申请号：US17134272
申请日：2020-12-26
Applicant: Waymo LLC
Inventor： Blaise Gassend , David Duff , Paul Karplus , Hui Son , Alex Rivas
CPC classification number: G01S7/4817 , G01D5/14 , G01S17/08
Abstract: The present disclosure relates to systems and devices having a rotatable mirror assembly. An example system includes a housing and a rotatable mirror assembly. The rotatable mirror assembly includes a plurality of reflective surfaces, a shaft defining a rotational axis, and a mirror body coupling the plurality of reflective surfaces to the shaft. The mirror body includes a plurality of flexible support members. The rotatable mirror assembly also includes a coupling bracket configured to removably couple the rotatable mirror assembly to the housing. The system also includes a transmitter configured to emit emission light into an environment of the system after interacting with at least one reflective surface of the plurality of reflective surfaces. The system additionally includes a receiver configured to detect return light from the environment after interacting with the at least one reflective surface of the plurality of reflective surfaces.
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公开(公告)号：US20240118391A1
公开(公告)日：2024-04-11
申请号：US18540486
申请日：2023-12-14
Applicant: Waymo LLC
Inventor： Blaise Gassend , David Duff , Pierre-Yves Droz , Paul Karplus , Jason Watson , Michael Brickner , Alex Rivas
IPC: G01S7/481 , G01S17/931
CPC classification number: G01S7/4816 , G01S7/4814 , G01S17/931
Abstract: The present disclosure relates to devices, lidar systems, and vehicles that include optical redirectors. An example lidar system includes a transmitter and a receiver. The transmitter includes at least one light-emitter device configured to transmit emission light into an environment. The receiver is configured to detect return light from the environment and includes a plurality of apertures, a plurality of photodetectors, and a plurality of optical redirectors. Each optical redirector is configured to optically couple a respective portion of return light from a respective aperture to at least one photodetector of the plurality of photodetectors. Each optical redirector also has a rotational orientation relative to other optical redirectors such that the redirection paths of optical redirectors that correspond to adjacent apertures are not coplanar with one another.
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公开(公告)号：US20210199770A1
公开(公告)日：2021-07-01
申请号：US17134277
申请日：2020-12-26
Applicant: Waymo LLC
Inventor： Blaise Gassend , David Duff , Pierre-Yves Droz , Paul Karplus , Jason Watson , Michael Brickner , Alex Rivas
IPC: G01S7/481 , G01S17/931 , G01S7/4914 , G01S7/493
Abstract: The present disclosure relates to devices, lidar systems, and vehicles that include optical redirectors. An example lidar system includes a transmitter and a receiver. The transmitter includes at least one light-emitter device configured to transmit emission light into an environment of the lidar system. The receiver is configured to detect return light from the environment and includes a plurality of apertures, a plurality of photodetectors, and a plurality of optical redirector elements. Each optical redirector element is configured to optically couple a respective portion of return light from a respective aperture to at least one photodetector of the plurality of photodetectors.
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Patent Agency Ranking
公开(公告)号：US12055659B2
公开(公告)日：2024-08-06
申请号：US17134277
申请日：2020-12-26
Applicant: Waymo LLC
Inventor： Blaise Gassend , David Duff , Pierre-Yves Droz , Paul Karplus , Jason Watson , Michael Brickner , Alex Rivas
IPC: G01S7/48 , G01S7/481 , G01S7/4914 , G01S7/493 , G01S17/931
CPC classification number: G01S7/4813 , G01S7/4817 , G01S7/4914 , G01S7/493 , G01S17/931
Abstract: The present disclosure relates to devices, lidar systems, and vehicles that include optical redirectors. An example lidar system includes a transmitter and a receiver. The transmitter includes at least one light-emitter device configured to transmit emission light into an environment of the lidar system. The receiver is configured to detect return light from the environment and includes a plurality of apertures, a plurality of photodetectors, and a plurality of optical redirector elements. Each optical redirector element is configured to optically couple a respective portion of return light from a respective aperture to at least one photodetector of the plurality of photodetectors.
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公开(公告)号：US20230194669A1
公开(公告)日：2023-06-22
申请号：US17645615
申请日：2021-12-22
Applicant: Waymo LLC
Inventor： Jason Watson , David Duff , Justin Andrade , Blaise Gassend , Alex Bogatko , Alex Rivas , Michael Brickner , Yeh-Jiun Tung , Hui Son
IPC: G01S7/481
CPC classification number: G01S7/4813 , G01S7/4817 , G01S7/4812
Abstract: An example lidar system includes a housing defining an interior space. The housing includes at least one optical window. The lidar system also includes a rotatable mirror assembly disposed within the interior space. The rotatable mirror assembly includes a transmit mirror portion and a receive mirror portion. The lidar system additionally includes a transmitter disposed within the interior space. The transmitter is configured to emit emission light into an environment of the lidar system along a transmit path. The lidar system also includes a receiver disposed within the interior space. The receiver is configured to detect return light that is received from the environment along a receive path. The lidar system additionally includes at least one optical baffle configured to minimize stray light in the interior space.
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公开(公告)号：US20250044421A1
公开(公告)日：2025-02-06
申请号：US18895206
申请日：2024-09-24
Applicant: Waymo, LLC
Inventor： Blaise Gassend , David Duff , Paul Karplus , Hui Son , Alex Rivas
Abstract: The present disclosure relates to systems and devices having a rotatable mirror assembly. An example system includes a housing and a rotatable mirror assembly. The rotatable mirror assembly includes a plurality of reflective surfaces, a shaft defining a rotational axis, and a mirror body coupling the plurality of reflective surfaces to the shaft. The mirror body includes a plurality of flexible support members. The rotatable mirror assembly also includes a coupling bracket configured to removably couple the rotatable mirror assembly to the housing. The system also includes a transmitter configured to emit emission light into an environment of the system after interacting with at least one reflective surface of the plurality of reflective surfaces. The system additionally includes a receiver configured to detect return light from the environment after interacting with the at least one reflective surface of the plurality of reflective surfaces.
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公开(公告)号：US20220120877A1
公开(公告)日：2022-04-21
申请号：US17565572
申请日：2021-12-30
Applicant: Waymo LLC
Inventor： Blaise Gassend , David Duff , Pierre-Yves Droz , Paul Karplus , Jason Watson , Michael Brickner , Alex Rivas
Abstract: The present disclosure relates to devices, lidar systems, and vehicles that include optical redirectors. An example lidar system includes a transmitter and a receiver. The transmitter includes at least one light-emitter device configured to transmit emission light into an environment of the lidar system. The receiver is configured to detect return light from the environment and includes a plurality of apertures, a plurality of photodetectors, and a plurality of optical redirectors. Each optical redirector is configured to optically couple a respective portion of return light from a respective aperture to at least one photodetector of the plurality of photodetectors. At least one of the optical redirectors includes an optically isolating coating.
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公开(公告)号：US20210199779A1
公开(公告)日：2021-07-01
申请号：US17134272
申请日：2020-12-26
Applicant: Waymo LLC
Inventor： Blaise Gassend , David Duff , Paul Karplus , Hui Son , Alex Rivas
Abstract: The present disclosure relates to systems and devices having a rotatable mirror assembly. An example system includes a housing and a rotatable mirror assembly. The rotatable mirror assembly includes a plurality of reflective surfaces, a shaft defining a rotational axis, and a mirror body coupling the plurality of reflective surfaces to the shaft. The mirror body includes a plurality of flexible support members. The rotatable mirror assembly also includes a coupling bracket configured to removably couple the rotatable mirror assembly to the housing. The system also includes a transmitter configured to emit emission light into an environment of the system after interacting with at least one reflective surface of the plurality of reflective surfaces. The system additionally includes a receiver configured to detect return light from the environment after interacting with the at least one reflective surface of the plurality of reflective surfaces.
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