Autoliv. has been granted a patent for a method that measures a user’s contact or proximity to a vehicle steering wheel. The method involves using detection sensors to generate measurement signals, storing these values, and dynamically adjusting detection thresholds based on the stored data to enhance user safety. GlobalData’s report on Autoliv 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 Autoliv, Passive safety systems was a key innovation area identified from patents. Autoliv's grant share as of July 2024 was 61%. Grant share is based on the ratio of number of grants to total number of patents.
Method for measuring user proximity to vehicle steering wheel
The granted patent US12071072B2 outlines a method for measuring a user's contact or proximity to a vehicle's steering wheel, utilizing a detection sensor that generates measurement signals. The system includes a first memory unit for storing detection thresholds and a second memory unit for storing measurement values. The method involves measuring the user's contact during vehicle operation, storing relevant measurement values above a predetermined noise threshold, and dynamically adjusting the detection threshold based on these stored values. This adjustment is facilitated through processing techniques, including k-means partitioning, which allows for a more accurate and responsive detection system.
Additionally, the patent describes specific conditions for storing measurement values, such as excluding transitional zones where successive measurements differ significantly. The method also includes an initialization phase to set a base detection threshold and refine it based on collected data. The system can utilize multiple sensors for enhanced accuracy, and it is designed to send alert messages to the user based on comparisons between measurement signals and detection thresholds. Overall, this patent presents a comprehensive approach to improving driver assistance systems by ensuring reliable detection of user interaction with the steering wheel.
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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.
