Pony.ai. has filed a patent for a LiDAR sensor system that utilizes a fiber optic ending, laser assembly, and processors to detect objects in the environment. The system diverts a portion of the chirp signal to the fiber optic ending to determine the range of the object based on the profile of the signal. GlobalData’s report on Pony.ai 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 Pony.ai, Autonomous freight management was a key innovation area identified from patents. Pony.ai's grant share as of January 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Lidar sensor for object detection and ranging
The patent application US20230384451A1 describes a Light Detection and Ranging (LiDAR) system that utilizes a fiber optic ending terminated by a reflector in combination with a laser assembly emitting a chirp signal to detect objects in an environment. The system includes one or more processors that determine the profile of the chirp signal based on a diverted portion of the signal and calculate the range of the object using this profile. The laser assembly consists of a frequency modulator, a laser frequency detector, and a laser transceiver, with an optical circulator coupling these components together.
Furthermore, the patent application also outlines a method for linearizing a non-linear chirp signal in a LiDAR system. This method involves diverting a portion of the non-linear chirp signal to a fiber optic ending, receiving the reflected signal, determining the profile of the signal, and calculating the range of the object. The method includes steps such as generating the non-linear chirp signal using a frequency modulator, detecting the frequency of the diverted portion, and linearizing the chirp signal based on the profile to determine the object's range accurately. The use of a local oscillator in the frequency modulator and an optical circulator for signal coupling are highlighted in the method claims.
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