公开(公告)号：US20250046504A1

公开(公告)日：2025-02-06

申请号：US18925245

申请日：2024-10-24

Applicant: Waymo LLC

Inventor： Robert Lockwood ,  Kelvin Kwong

IPC: H01F27/06 ,  G01S7/481 ,  H01F27/24 ,  H01F27/26 ,  H01F27/30 ,  H01F38/18

Abstract: An example device includes a mounting structure including a first material having a first coefficient of thermal expansion (CTE). The mounting structure includes a center portion and an outer portion. The device further includes a magnetic core for an electrical component that is coupled to the outer portion of the mounting structure. The magnetic core includes a second material having a second CTE. The magnetic core is split into a plurality of sections separated by spaces extending from the center portion to an outer edge of the outer portion. Each of the plurality of sections is separately coupled to the mounting structure, and each of the plurality of sections is connected to the electrical component.

公开(公告)号：US12159736B2

公开(公告)日：2024-12-03

申请号：US17107950

申请日：2020-11-30

Applicant: Waymo LLC

Inventor： Robert Lockwood ,  Kelvin Kwong

IPC: H01F27/06 ,  G01S7/481 ,  H01F27/24 ,  H01F27/26 ,  H01F27/30 ,  H01F38/18

Abstract: An example device includes a mounting structure including a first material having a first coefficient of thermal expansion (CTE). The mounting structure includes a center portion and an outer portion. The device further includes a magnetic core for an electrical component that is coupled to the outer portion of the mounting structure. The magnetic core includes a second material having a second CTE. The magnetic core is split into a plurality of sections separated by spaces extending from the center portion to an outer edge of the outer portion. Each of the plurality of sections is separately coupled to the mounting structure, and each of the plurality of sections is connected to the electrical component.

公开(公告)号：US11916273B1

公开(公告)日：2024-02-27

申请号：US17067536

申请日：2020-10-09

Applicant: Waymo LLC

Inventor： Zhe Li ,  Samuel Lenius ,  Chia-Hung Lin ,  Craig Moriwaki ,  William Martin Peters, Jr. ,  Kelvin Kwong ,  Robert J. Lockwood ,  Peng Ye

IPC: H01P1/00 ,  G01S7/481 ,  G01S17/931 ,  H01P1/06 ,  H01P3/12 ,  H01Q1/50 ,  B60W60/00

CPC classification number: H01P1/062 ,  G01S7/481 ,  G01S17/931 ,  H01P3/12 ,  H01Q1/50 ,  B60W60/001 ,  B60W2420/52

Abstract: A rotary joint includes a shaft having a first end, a second end, and a cavity. The rotary joint includes a first waveguide section having a first proximal end and a first distal end. The first proximal end of the first waveguide section is positioned within the cavity and secured to the inner surface of the shaft. The rotary joint includes a second waveguide section that includes a second proximal end and a second distal end. The second proximal end of the second waveguide section is positioned within the cavity of the shaft and unsecured to the inner surface of the shaft to form a radial gap between an outer surface of the second proximal end and a laterally adjacent portion of the inner surface of the shaft. The shaft and the first waveguide section are configured to rotate about the rotational axis and relative to the second waveguide section.

公开(公告)号：US20220172873A1

公开(公告)日：2022-06-02

申请号：US17107950

申请日：2020-11-30

Applicant: Waymo LLC

Inventor： Robert Lockwood ,  Kelvin Kwong

IPC: H01F27/24 ,  H01F27/06 ,  G01S7/481 ,  G01S17/06

Abstract: An example device includes a mounting structure including a first material having a first coefficient of thermal expansion (CTE). The mounting structure includes a center portion and an outer portion. The device further includes a magnetic core for an electrical component that is coupled to the outer portion of the mounting structure. The magnetic core includes a second material having a second CTE. The magnetic core is split into a plurality of sections separated by spaces extending from the center portion to an outer edge of the outer portion. Each of the plurality of sections is separately coupled to the mounting structure, and each of the plurality of sections is connected to the electrical component.

公开(公告)号：US20220082660A1

公开(公告)日：2022-03-17

申请号：US17121918

申请日：2020-12-15

Applicant: Waymo LLC

Inventor： Pierre-Yves Droz ,  Ralph H. Shepard ,  Augusto Tazzoli ,  David Hutchison ,  David Schleuning ,  Nathaniel Golshan ,  Nathaniel Quillin ,  Andrew Abo ,  Caner Onal ,  Michael Tom ,  Robert Lockwood ,  Kelvin Kwong ,  Daiwei Li ,  Drew Ulrich ,  Simon Ellgas ,  Chandra Kakani ,  Erin Eppard ,  Samuel Lenius ,  Justin Andrade ,  James Dunphy

IPC: G01S7/484 ,  G01S7/481 ,  G01F23/00 ,  G01S17/931 ,  G01S17/89

Abstract: Example embodiments relate to light detection and ranging (lidar) devices having a light-guide manifold. An example lidar device includes a transmit subsystem. The transmit subsystem includes a light emitter. The transmit subsystem also includes a light-guide manifold optically coupled to the light emitter. Further, the transmit subsystem includes a telecentric lens assembly optically coupled to the light-guide manifold. The lidar device also includes a receive subsystem. The receive subsystem includes the telecentric lens assembly. The receive subsystem also includes an aperture plate having an aperture defined therein. The aperture plate is positioned at a focal plane of the telecentric lens assembly. Further, the receive subsystem includes a silicon photomultiplier (SiPM) positioned to receive light traveling through the aperture.