Luminar Technologies. has been granted a patent for a lidar system that emits alternating standard-resolution and high-resolution light pulses. This system includes a scanner, receiver, and processor to create point clouds and determine distances to targets, enhancing measurement accuracy across varying ranges. GlobalData’s report on Luminar Technologies gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Luminar Technologies, Lidar-based object detection was a key innovation area identified from patents. Luminar Technologies's grant share as of July 2024 was 44%. Grant share is based on the ratio of number of grants to total number of patents.
Lidar system with alternating standard and high-resolution light pulses
The patent US12066575B2 describes a lidar system designed to enhance distance measurement capabilities through the use of alternating standard-resolution and high-resolution light pulses. The system includes a light source that emits these pulses, a scanner to direct the light across a designated field of regard, and a receiver to detect scattered light from targets. The emitted pulses are structured such that the standard-resolution pulses have a longer pulse period, which is at least equal to the round-trip time for the maximum range of the lidar system, while the high-resolution pulses have a shorter pulse period. This configuration allows the processor to generate both standard-resolution and high-resolution point clouds, resolving ambiguities in distance measurements by leveraging data from both pulse types.
Further details of the lidar system include the use of specific timing windows for high-resolution pulses, which help the processor identify valid return signals and ignore irrelevant ones. The system can utilize various light sources, such as laser diodes, and employs different scanning mechanisms, including mirrors driven by galvanometers or MEMS devices. The lidar system is applicable in advanced driver assistance systems (ADAS) and autonomous vehicles, providing critical environmental data to enhance navigation and safety. The design also allows for synchronized scanning of both the light source and receiver fields of view, ensuring accurate and efficient data collection across the operational area.
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