ELMOS Semiconductor has patented a method and device for detecting uneven surfaces in vehicle environments using ultrasonic signals. By comparing reflection signals at different angles, the system can determine surface conditions and alert the vehicle’s navigation system or trigger an alarm if necessary. GlobalData’s report on ELMOS Semiconductor 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 ELMOS Semiconductor, Photonic quantum communication was a key innovation area identified from patents. ELMOS Semiconductor's grant share as of February 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Method for detecting uneven surfaces in vehicle environments using ultrasonic signals
A recently granted patent (Publication Number: US11851065B2) discloses a method for detecting surface unevenness and curvature in a vehicle environment using ultrasonic signals. The method involves emitting ultrasonic signals from sensors on a vehicle at different angles relative to the surface, receiving reflection signals, and comparing the timing differences to determine the presence of unevenness or curvature. By analyzing the reflection signals and executing cross-correlation, the system can identify surface conditions such as potholes, rocks, or steps. The method also includes setting thresholds for surface rise or dip and providing alerts to a superordinate computer for navigation or issuing alarms when thresholds are exceeded.
Furthermore, the patent describes a device for implementing the method, which includes ultrasound sensors emitting and receiving signals, converting them into reflection signals, and comparing them to determine surface conditions. The device is capable of detecting positive or negative surface unevenness and curvature based on the timing of reflection signals within predetermined time windows. By indicating surface conditions to a superordinate computer and triggering alarms when necessary, the device enhances vehicle navigation and safety in detecting obstacles like potholes, rocks, or parking boundaries. Overall, the patented technology offers a sophisticated system for real-time detection and response to surface irregularities in a vehicle environment, improving overall driving experience and safety.
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