Valeo has filed a patent for an ultrasonic sensor system for motor vehicles. The system includes an ultrasonic sensor with an electroacoustic transducer arrangement and an electrical test device. A test control device captures a characteristic variable of the electrical response signal by varying frequency and amplitude at multiple measurement points. GlobalData’s report on Valeo 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 Valeo, Cam actuated clutches was a key innovation area identified from patents. Valeo's grant share as of January 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
Ultrasonic sensor system for motor vehicle
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The patent application (Publication Number: US20240036194A1) describes an ultrasonic sensor system for motor vehicles. The system includes an ultrasonic sensor with an electroacoustic transducer arrangement, an electrical test device, and a test control device. The electrical test device outputs a test signal to the transducer arrangement and captures a response signal, while the test control device captures a characteristic variable of the response signal by varying the frequency and amplitude of the test signal at multiple measurement points.
Furthermore, the system involves selecting measurement points corresponding to operating points of the sensor during distance measurement, choosing measurement points for different frequencies within a range based on the amplitude, and reporting the state of the transducer arrangement to the vehicle's control apparatus. The system also includes a measurement control device for emitting ultrasonic waves and conducting distance measurements based on the captured characteristic variables. The method for operating the system involves outputting a test signal, capturing a response signal, and analyzing characteristic variables at various measurement points. Overall, the ultrasonic sensor system aims to enhance the performance and accuracy of distance measurements in motor vehicles.
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