HL Mando has been granted a patent for a device and method that detects vertical misalignment in vehicle radar systems. The technology utilizes radar signals to assess ground distances and vertical angles, enabling accurate detection of misalignment despite road irregularities or changes in radar beam width. GlobalData’s report on HL Mando 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 HL Mando, Driving behavior monitoring was a key innovation area identified from patents. HL Mando's grant share as of July 2024 was 72%. Grant share is based on the ratio of number of grants to total number of patents.
Device for detecting vertical misalignment of vehicle radar
The patent US12072438B2 describes a device and method for detecting vertical mounting misalignment in vehicle radar systems. The device includes several components: a monitoring range setter that establishes a monitoring range based on radar signals, a ground component determiner that identifies ground reflections from stationary objects, and an estimated vertical angle determiner that calculates the ground distance and vertical angle. The system also features an estimation error determiner that computes the difference between the estimated vertical angle and a reference vertical angle, which is crucial for assessing vertical misalignment. The device can utilize multiple reference angles corresponding to various ground distances, allowing for precise error determination through statistical analysis or cumulative distribution functions.
Additionally, the patent outlines the structure of the radar device, which includes an antenna unit with multiple transmission and receiving antennas arranged to optimize signal processing. The monitoring range setter employs advanced techniques such as two-dimensional Fourier transforms to extract range-velocity information, enabling the detection of stationary objects based on vehicle speed. The ground component determiner uses specific thresholds for power levels and horizontal angles of reflection signals to accurately identify ground components. Overall, the invention aims to enhance the reliability of vehicle radar systems by ensuring proper vertical alignment, which is essential for effective operation in various driving conditions.
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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.
