High definition LiDAR system
First Claim
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1. A LiDAR-based sensor system comprising:
- a base;
head assembly;
a rotary component configured to rotate the head assembly with respect to the base, the rotation of the head assembly defining an axis of rotation;
an electrical motherboard carried in the head assembly, the motherboard defining a plane and being positioned substantially parallel to the axis of rotation;
a lens positioned on the head assembly on a first side of the motherboard;
a mirror positioned on the head assembly on a second side of the motherboard;
a plurality of photon transmitters mounted to a plurality of emitter circuit boards, the plurality of emitter circuit boards being mounted directly to the motherboard; and
a plurality of detectors mounted to a plurality of detector circuit boards, the plurality of detector circuit boards being mounted directly to the motherboard.
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Abstract
A LiDAR-based 3-D point cloud measuring system includes a base, a housing, a plurality of photon transmitters and photon detectors contained within the housing, a rotary motor that rotates the housing about the base, and a communication component that allows transmission of signals generated by the photon detectors to external components. In several versions of the invention, the system includes a vertically oriented motherboard, thin circuit boards such as ceramic hybrids for selectively mounting emitters and detectors, a conjoined D-shaped lens array, and preferred firing sequences.
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Citations
18 Claims
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1. A LiDAR-based sensor system comprising:
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a base; head assembly; a rotary component configured to rotate the head assembly with respect to the base, the rotation of the head assembly defining an axis of rotation; an electrical motherboard carried in the head assembly, the motherboard defining a plane and being positioned substantially parallel to the axis of rotation; a lens positioned on the head assembly on a first side of the motherboard; a mirror positioned on the head assembly on a second side of the motherboard; a plurality of photon transmitters mounted to a plurality of emitter circuit boards, the plurality of emitter circuit boards being mounted directly to the motherboard; and a plurality of detectors mounted to a plurality of detector circuit boards, the plurality of detector circuit boards being mounted directly to the motherboard. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A LiDAR-based sensor system comprising:
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a base; head assembly; a motor configured to rotate the head assembly with respect to the base, the rotation of the head assembly defining an axis of rotation; an electrical motherboard carried in the head assembly; a plurality of photon transmitters mounted to a plurality of emitter circuit boards, the plurality of emitter circuit boards being mounted to the motherboard; a plurality of detectors mounted to a plurality of detector circuit boards, the plurality of detector circuit boards being mounted to the motherboard; an emitter mirror supported within the head assembly; a detector mirror supported within the head assembly; and a conjoined D-shaped lens assembly, the lens assembly forming an emitter portion and a detector portion; wherein the motherboard is a unitary component for mounting the plurality of emitter circuit boards and the plurality of detector circuit boards, the motherboard being positioned between the emitter mirror and the detector mirror on a first side and the lens assembly on the other side, the motherboard further having an opening to allow light to pass between the lens assembly and either the detector mirror or the emitter mirror; whereby light transmitted by one of the plurality of emitters is reflected from the emitter mirror and passes through the emitter portion of the lens assembly, and light received by the detector portion of the lens assembly is reflected by the detector mirror and received by one of the plurality of detectors. - View Dependent Claims (17, 18)
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Specification