Denso. has filed a patent for an ultrasonic sensor designed for vehicles. The sensor includes a magnetic substance, diaphragm, and electromagnetic transducer. The diaphragm can ultrasonically oscillate when joined to the vehicle’s outer plate, creating an internal space for detecting objects. GlobalData’s report on Denso 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 Denso, Battery management systems was a key innovation area identified from patents. Denso's grant share as of January 2024 was 33%. Grant share is based on the ratio of number of grants to total number of patents.
Ultrasonic sensor for vehicles with magnetic substance and diaphragm
The patent application (Publication Number: US20240038208A1) describes an ultrasonic sensor designed to be mounted on a vehicle by attaching it to an outer plate. The sensor includes a magnetic substance, an electromagnetic transducer, and a diaphragm that can ultrasonically oscillate. The magnetic substance and the electromagnetic transducer are positioned in a way that generates ultrasonic oscillation in the diaphragm, creating an internal space that expands and contracts in response to the oscillation. Additionally, a space holding member can be included in the internal space to deform along the axial direction in response to the diaphragm's vibration.
Furthermore, the ultrasonic sensor can have various configurations, such as the diaphragm being joined to the outer plate via an adhesive layer, the inclusion of a drive control unit to manage power application to the electromagnetic transducer, and an abnormality detection unit to identify issues with the diaphragm. The sensor's design allows for precise ultrasonic oscillation and detection, making it suitable for use in vehicles for various applications where ultrasonic sensing is required. The patent application outlines specific dimensions and arrangements of the components to optimize the sensor's performance, ensuring accurate and reliable operation in different conditions.
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