Ouster. has been granted a patent for a LIDAR system featuring an emitter unit and a detector array. The system includes a control circuit that processes detection signals, accumulates data over time intervals, and generates readout signals based on detection thresholds, enhancing distance measurement capabilities. GlobalData’s report on Ouster 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 Ouster, Lidar-assisted navigation was a key innovation area identified from patents. Ouster's grant share as of June 2024 was 29%. Grant share is based on the ratio of number of grants to total number of patents.
Lidar system with enhanced detection signal processing
The patent US12038510B2 describes a sophisticated Light Detection and Ranging (LIDAR) system that integrates an emitter unit, a detector array, and a control circuit to enhance detection capabilities. The emitter unit consists of one or more elements that generate an emitter signal, while the detector array includes multiple detector elements that produce detection signals in response to incident photons. The control circuit plays a crucial role by receiving these detection signals over various cycles of the emitter signal, accumulating them based on different distance ranges, and comparing the accumulated data against a predefined detection threshold. When the threshold is exceeded, the control circuit generates a flag signal and subsequently outputs a readout signal for the respective detector element.
Further claims detail the operational flexibility of the LIDAR system, including the ability to output different readout signals based on the proximity and reflectivity of detected targets. The control circuit can adjust the power level of the emitter signal and activate varying subsets of detector elements depending on the readout signals. Additionally, the system is designed to calculate the estimated time of arrival of photons, utilizing both count and time integration signals. The detection threshold can be dynamically adjusted based on real-time environmental conditions, ensuring optimal performance across various scenarios. Overall, this patent outlines a comprehensive approach to LIDAR technology, emphasizing enhanced detection accuracy and adaptability.
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