AEye‘s patented technology utilizes controllable delays between ladar pulses to distinguish between own pulse reflections and interfering pulses. The apparatus includes a receiver with a photodetector and signal processing circuit to detect own pulse reflections based on specific thresholds. This innovation enhances optical data communication systems. GlobalData’s report on AEye 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 AEye, Lidar-guided object detection was a key innovation area identified from patents. AEye's grant share as of January 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.

Ladar system with pulse deconfliction for optical data communication

Source: United States Patent and Trademark Office (USPTO). Credit: AEye Inc

A recently granted patent (Publication Number: US11835658B2) discloses an innovative apparatus and method for ladar systems. The apparatus includes a ladar receiver with a photodetector that senses incoming light, generating a signal representing the sensed light, which includes own pulse reflections and noise. A signal processing circuit computes a delay sum signal based on the generated signal and a known delay, detecting the own pulse reflection by comparing the delay sum signal with thresholds and determining the relationship between the generated signal and the delay sum signal. The method involves sensing incoming light, generating a signal, computing a delay sum signal, and detecting the own pulse reflection based on various comparisons and thresholds, offering a comprehensive approach to ladar technology.

Moreover, the patent also covers an apparatus with a ladar transmitter featuring scannable mirrors for transmitting ladar pulses towards targets in a field of view. The system can switch between ladar and optical communication modes, encoding data messages in ladar pulses during the latter. A ladar receiver processes reflections of the pulses for range measurements, while a memory stores laser dosage data. A processor controls the transmitter based on tracked dosages, ensuring efficient operation. The apparatus includes a heat map data structure for tracking dosages over time, enabling precise scheduling of ladar pulses and avoiding excessive dosages at specific locations. Additionally, the system can function as an optical transceiver, utilizing different frequencies or wavelengths for ladar and communication modes, with a beam splitter and sensor for data extraction, showcasing a versatile and adaptive ladar technology for various applications.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.