Ningbo Joyson Electronic has been granted a patent for a vehicle steering wheel featuring an electromechanical triggering device. This device includes a force transducer to measure actuating forces on an impact absorber cover, enabling the triggering of an acoustic warning system when specific force conditions are met. GlobalData’s report on Ningbo Joyson Electronic 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 Ningbo Joyson Electronic, was a key innovation area identified from patents. Ningbo Joyson Electronic's grant share as of July 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Vehicle steering wheel with electromechanical airbag triggering device
The granted patent US12071071B2 describes an innovative vehicle steering wheel design that integrates advanced safety and functionality features. The steering wheel comprises a body with a hub region for attachment to a steering shaft, a rim, and at least one spoke. A key component is the airbag initiation device, paired with an electromechanical triggering device that activates an acoustic warning system. This triggering device includes an impact absorber cover that partially covers the hub region, creating an actuating surface. The design allows the impact absorber cover to be elastically displaceable or deformable under an actuating force, while also being self-resetting. Additionally, the cover features lateral projections extending towards the steering wheel rim, and an operating member is strategically placed within the spoke volume.
The electromechanical triggering device further incorporates at least one force transducer, which measures the force applied to the actuating surface. This transducer is supported on the steering wheel body and is connected to an electronic evaluation unit that determines the actuating force value. The system is designed to trigger the acoustic output when specific force conditions are met. The patent also outlines various configurations, including multiple projections and force transducers, and the potential for the operating member to be multifunctional. The design emphasizes safety and responsiveness, with provisions for biasing the force transducer and options for measuring force through various methods. Overall, this patent presents a comprehensive approach to enhancing vehicle steering wheel functionality while prioritizing driver safety.
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